perixtar/Tech-OA-Interview-Questions

Daily updated list of Tech Company OAs and Interview Problems. Save your time from finding them all over the internet.

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2026 & 2027 Tech OA & Interview Questions

A community-maintained question bank for 2026 & 2027 software engineering online assessments and technical interviews, covering coding, SQL, system design, object-oriented design (OOD), and AI coding.

how it works · coverage · question bank · contribute · community

$ fastprep sync --season 2026
[✓] indexed   1,600+ real OA & interview questions on this board
[✓] tracked   160+ companies · Accenture → Zscaler
[✓] cadence   updated multiple times a week
[→] pro tip   hit ⭐ Star + 👁 Watch above to catch every new drop

⚙️ How it works

Step	What to do
🔍 Search	`Ctrl` / `⌘` + `F` your company in the question bank below
📄 Open	every row links to the full question, rebuilt from real candidate reports
🧪 Practice	hit `Practice` to solve it on FastPrep with an editor and test cases
🔔 Stay ahead	click `Watch` at the top of this page — new OAs land here first

🙏 If this board saves you time, a ⭐ star helps other candidates find it — and keeps the update engine running.

📊 Coverage

top tracked companies ──────────── snapshot · Jul 2026 ──

Amazon       ██████████████████████ 369
Google       ██████ 99
IBM          █████ 83
TikTok       ████ 74
Microsoft    ████ 65
Salesforce   ███ 51
Uber         ███ 51
Snowflake    ██ 43
JP Morgan    ██ 33
Cisco        ██ 32

… + 204 more companies in the table below ↓

🏢 Full company list (214+) — click to expand

Accenture, Adobe, Affirm, Agoda, Airbnb, Airtable, Akuna, Alarm.com, Amazon, Amperity, Anduril, Anthropic, Apple, Applied Intuition, Arista Networks, Asana, Assort Health, Atlassian, Attentive, Barclays, Baseten, Blackrock, Blinkit, Bloomberg, BNP, BNY Mellon, Boston Consulting Group, Box, Braze, Brex, ByteDance, Canva, Capillary Technologies, Capital One, Chicago Trading, Circle, Cisco, Citadel, Cloudflare, Codeium, Cognitiv, Cohere, Coinbase, Commvault, Confluent, Cresta, Crusoe, Cursor, Cvent, Databricks, Datadog, DE Shaw, Decagon, Deloitte, Deutsche Bank, Discord, Distyl AI, DoorDash, DRW, DTCC, Eat Club, eBay, Epam, Epify, Ericsson, Expedia, FactSet, Figma, Flexport, Flipkart, FluidStack, Fortinet, GE Vernova, Geico, General Motors, Geneva Trading, Giga, GitHub, Goldman Sachs, Google, Guidewire, Gusto, HackerRank, Harness, Harvey, Headlands, Headway, HSBC, Hudson River Trading, Hyper Verge, IBM, IDFC, Illumio, IMC, Infosys, Instacart, Intuit, IXL Learning, Jane Street, JP Morgan, Juspay, LinkedIn, Lyft, MathWorks, Maven Securities, McKinsey, Meesho, Mercor, Mercury Insurance, Meta, Micro1, Microsoft, Morgan Stanley, Moveworks, NatWest, Netflix, New Relic, Nuro, Nutanix, Nvidia, Observer.AI, Odoo, Okta, Omnissa, OnePay, Onix, OpenAI, Opendoor, Optiver, Oracle, Oscar Health, Otter.ai, Oura, Palantir, Patreon, Paypal, PayPay, PhonePe, Pinterest, Plaid, Point 72, Postman, Publicis Sapients, QRT, Quince, Quora, Ramp, Reddit, RedNote, Replit, Retell AI, Rippling, Robinhood, Roblox, Rubrik, Rupeek, Rurik, Safe Security, Salesforce, Samsung, Sarvam AI, SavantLabs, Scale AI, SeekOut, ServiceNow, Shopify, Sierra, Sig, Snap Inc., Snowflake, Sofi, SpaceX, Spotify, Spotnana, Squarepoint, StackAdapt, Stripe, Superhuman, Susquehanna International Group, Swiggy, Target, TCS, Tekion, Temu, Tesla, The D. E. Shaw Group, ThoughtSpot, TikTok, Toast, Toshiba, Trade Desk, Trend Micro, Twilio, Two Sigma, Uber, Upstart, Vanta, Visa, Walleye Capital, Walmart, Wayfair, Waymo, Wells Fargo, Whatnot, Wolverine Trading, Xperi, YahoO, ZipRecruiter, Zolando, ZoloStays, Zomato / Eternal, Zoox, Zopsmart, Zorvyn, Zscaler.

🛰️ Spotted a fresh OA?

Feed the pipeline — we'll turn it into a practice problem for the whole community. 🫶

🐛 Open an issue with the OA submission template
💬 Ping Jane on Discord with the company, question, and date seen

Please keep it source-safe — no confidential screenshots or full proprietary statements; a short summary is enough. Full checklist in CONTRIBUTING.md.

🐳 Community

Join the community for OA drops, interview intel, and prep talk 🥑

🗂️ Question Bank

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_{Newest updates first · 🔥 added in the last 2 weeks · 🆕 in the last 45 days}

_{Formats: Coding (1,785) · SQL (2) · System design (158) · Low-level design (29) · AI coding (20)}

_{System design, low-level design/OOD, and AI coding rows sync hourly from FastPrep's public, candidate-safe catalogs. Updated uses the latest reported sighting when available, otherwise the first public sync date. Unattributed means no source-backed employer was reported.}

Company	OA / Interview Question	Format	Updated
Walmart	Minimum Stress Path	Coding	🔥 Aug 27, 2026
Maven Securities	Prime Factor Visitation	Coding	🔥 Aug 26, 2026
Maven Securities	Resource Allocation	Coding	🔥 Aug 26, 2026
TikTok	Event ID Check Completion Times	Coding	🔥 Aug 26, 2026
TikTok	Leftmost Memory Block Allocator (for mle also :)	Coding	🔥 Aug 26, 2026
TikTok	Find Sum Pairs (for mle also :)	Coding	🔥 Aug 26, 2026
TikTok	Reverse Letters in Pairs	Coding	🔥 Aug 26, 2026
TikTok	Sort Matrix Borders	Coding	🔥 Aug 25, 2026
TikTok	Count Even-Digit Numbers	Coding	🔥 Aug 25, 2026
IBM	Plus Mult Array	Coding	🔥 Aug 25, 2026
IBM	Get Maximum Amount	Coding	🔥 Aug 25, 2026
IBM	Expiring Authentication Token Manager	Coding	🔥 Aug 24, 2026
Goldman Sachs	Maximum Ones After K Operations	Coding	🔥 Aug 24, 2026
Microsoft	Maximum Products by Budget	Coding	🔥 Aug 24, 2026
TikTok	Repeated Grouped Digit Sum	Coding	🔥 Aug 24, 2026
Airbnb	Progressive Banking System	Coding	🔥 Aug 23, 2026
Citadel	Maximize Workday Earnings	Coding	🔥 Aug 23, 2026
Citadel	Minimum Changes for Palindromic Blocks	Coding	🔥 Aug 23, 2026
Google	Assign Locker	Coding	🔥 Aug 23, 2026
Microsoft	Minimum Fuel Cost Between Cities	Coding	🔥 Aug 23, 2026
Barclays	Allocate Workers for a Production Ratio	Coding	🔥 Aug 22, 2026
Anthropic	Cloud Storage System	Coding	🔥 Aug 22, 2026
Google	Directed Graph Reachability Queries	Coding	🔥 Aug 21, 2026
Pinterest	Phone Spam Report Counter	Coding	🔥 Aug 21, 2026
Pinterest	Minimize the Longest Hike Between Rest Stops	Coding	🔥 Aug 21, 2026
Netflix	Undo and Redo Command History	Coding	🔥 Aug 21, 2026
Pinterest	Count Ordered Combination Sums with Negative Values	Coding	🔥 Aug 21, 2026
Pinterest	Count Ordered Combination Sums	Coding	🔥 Aug 21, 2026
Pinterest	Fixed-Length Combination Sum	Coding	🔥 Aug 21, 2026
Pinterest	Combination Sum with Single-Use Values	Coding	🔥 Aug 21, 2026
Pinterest	Combination Sum with Reusable Values	Coding	🔥 Aug 21, 2026
Affirm	Assign Sequential Loan Identifiers	Coding	🔥 Aug 21, 2026
Affirm	Normalize Loan Merchants to Root Businesses	Coding	🔥 Aug 21, 2026
Apple	Design Hash Map	Coding	🔥 Aug 21, 2026
Rippling	Delivery Cost Tracker with Effective-Dated Rates	Coding	🔥 Aug 21, 2026
ByteDance	Search in a Rotated Sorted Array with Duplicates	Coding	🔥 Aug 21, 2026
OpenAI	One-Nearest-Neighbor Classification	Coding	🔥 Aug 21, 2026
OpenAI	Plant Infection Simulation, Part 4: Death Countdown	Coding	🔥 Aug 21, 2026
Illumio	Least Recently Used Cache	Coding	🔥 Aug 21, 2026
Cursor	Filesystem Hash Tree	Coding	🔥 Aug 21, 2026
Google	Minimum Racks for Server Resources	Coding	🔥 Aug 21, 2026
Meta	First Common Ancestor with Parent Pointers	Coding	🔥 Aug 21, 2026
Meta	Minimum Removal for Balanced Parentheses	Coding	🔥 Aug 21, 2026
Google	Count Prefix Paths in a Character Graph	Coding	🔥 Aug 21, 2026
Airbnb	Cloud Storage with User Backup and Restore	Coding	🔥 Aug 21, 2026
Anthropic	Task Management System	Coding	🔥 Aug 21, 2026
Amazon	Unfulfilled Customers by Inventory Priority	Coding	🔥 Aug 21, 2026
General Motors	Per-Client Sliding-Window Rate Limiter	Coding	🔥 Aug 21, 2026
Amazon	Minimum Grid Inconvenience	Coding	🔥 Aug 21, 2026
Stripe	Request Routing System	Coding	🔥 Aug 21, 2026
Netflix	Timed Cache with Sidecar Cleanup	Coding	🔥 Aug 21, 2026
ByteDance	Count Numbers with an Even Digit Count	Coding	🔥 Aug 21, 2026
ByteDance	Sorted Absolute-Difference Sums Across Cyclic Shifts	Coding	🔥 Aug 21, 2026
ByteDance	Sort Concentric Matrix Borders Clockwise	Coding	🔥 Aug 21, 2026
ByteDance	Count House Segments After Sequential Destruction	Coding	🔥 Aug 21, 2026
Quince	Minimum Sprinklers to Cover an Interval	Coding	🔥 Aug 21, 2026
Quince	Check a Repeated String as a Subsequence	Coding	🔥 Aug 21, 2026
Temu	Merge Two Sorted Collections Without Duplicates	Coding	🔥 Aug 21, 2026
IBM	Drawing Edge	Coding	🔥 Aug 20, 2026
IBM	Increasing-Value Triplets Under a Threshold	Coding	🔥 Aug 20, 2026
Meta	Maximum Unique-Character Word Subset	Coding	🔥 Aug 20, 2026
Meta	Validate a Palindrome After Limited Deletions	Coding	🔥 Aug 20, 2026
Meta	Minimum-Sum Root-to-Leaf Path	Coding	🔥 Aug 20, 2026
Nuro	Schedule Buffered Video Playback	Coding	🔥 Aug 20, 2026
Nuro	Reveal a Minesweeper Region	Coding	🔥 Aug 20, 2026
IBM	Count Invalid Log Groups	Coding	🔥 Aug 18, 2026
IBM	Count Paginated Medical Records in a Range	Coding	🔥 Aug 18, 2026
Airtable / Meta	Design a Backend Search Engine	System design	🔥 Aug 16, 2026
Amazon / Lyft / Google	Design a Web Crawler	System design	🔥 Aug 16, 2026
Zoox / Uber	Design a Nearby Autonomous Vehicle Search Service	System design	🔥 Aug 16, 2026
Amazon	Design a Multi-Branch Library Management System	System design	🔥 Aug 16, 2026
LinkedIn	Design a Ranked Hybrid Social Feed	System design	🔥 Aug 16, 2026
DoorDash	Build a Refund DAG with Local HTTP Services	AI coding	🔥 Aug 15, 2026
Amazon / Meta	Design a Cloud File Storage System	System design	🔥 Aug 15, 2026
DoorDash	Food Review System	System design	🔥 Aug 15, 2026
Postman / Anduril	Design a URL Shortening Service	System design	🔥 Aug 15, 2026
Snowflake	Design Calendar Client State and Recurrence	System design	🔥 Aug 15, 2026
Salesforce	Design a Goal-Driven Tool-Using Agent	System design	🔥 Aug 15, 2026
OpenAI	Design a Distributed Video Generation Platform	System design	🔥 Aug 14, 2026
Attentive	Design a Time Series Metrics Database	System design	🔥 Aug 14, 2026
Giga	Design a Browser-Automated Customer Support Agent	System design	🔥 Aug 14, 2026
OpenAI	Design In-Store Merchant Payment Reconciliation	System design	🔥 Aug 14, 2026
Rippling / Amazon	Design an Event Ingestion Platform	System design	🔥 Aug 14, 2026
Spotify	Design a Personalized Session Playlist Ranking System	System design	🔥 Aug 14, 2026
Netflix / Oracle / Google / Meta	Design a Personalized Recommendation System	System design	🔥 Aug 13, 2026
Anthropic	Design Peer-to-Peer Model Distribution	System design	🔥 Aug 13, 2026
OpenAI	Design a Distributed Crossword Solver	System design	🔥 Aug 13, 2026
Meta	Design a Multimodal Public-Content Safety Platform	System design	🔥 Aug 13, 2026
Databricks	Online Bookseller Platform	System design	🔥 Aug 13, 2026
Anthropic	Inference Engine (Fellow Program :D	AI coding	🆕 Aug 12, 2026
Anthropic	Debug Extremely Randomized Trees (Fellow Program :)	AI coding	🆕 Aug 12, 2026
DoorDash / Robinhood / Snowflake / Postman / Figma	Design a Scheduled Job Execution System	System design	🆕 Aug 12, 2026
OpenAI / The D. E. Shaw Group / Zoox	Design an Online Payment Processing System	System design	🆕 Aug 12, 2026
Figma	Design Comments for a Collaborative Canvas	System design	🆕 Aug 12, 2026
OpenAI	Design an Online Chess Platform	System design	🆕 Aug 12, 2026
Anthropic	Design a Model-Weight Deployment Platform	System design	🆕 Aug 12, 2026
Anthropic / Snap Inc.	One-to-One Chat Service	System design	🆕 Aug 12, 2026
Goldman Sachs	Design a Live-Stream Chat System	System design	🆕 Aug 12, 2026
Goldman Sachs	Design an In-Memory Job Scheduler	Low-level design	🆕 Aug 12, 2026
Coinbase	Design a Brokerage Order Processing System	System design	🆕 Aug 12, 2026
ByteDance	Design a Multimedia Content Moderation Platform	System design	🆕 Aug 12, 2026
Mercor	Design a Unique Username Registration System	System design	🆕 Aug 12, 2026
Shopify	Design an Extensible Text Editor	Low-level design	🆕 Aug 12, 2026
Snap Inc.	Build a Persistent Chat Backend	AI coding	🆕 Aug 12, 2026
Snowflake	Design a Fault-Tolerant Cloud Queue Service	System design	🆕 Aug 11, 2026
Apple	Design a Mobile Application Event Collection API	System design	🆕 Aug 11, 2026
Rippling	Design a Room-Type Hotel Booking System	System design	🆕 Aug 11, 2026
Pinterest	Design an Ad Event Measurement Platform	System design	🆕 Aug 11, 2026
Apple	Design an Analytical Data Dashboard	System design	🆕 Aug 11, 2026
Databricks	Design an LLM Content Safety Service	System design	🆕 Aug 11, 2026
Google	Design a Real-Time Anomaly Detection Service	System design	🆕 Aug 10, 2026
Amazon / Oracle	Design a Netflix-Style Streaming Platform	System design	🆕 Aug 10, 2026
Uber	Design a Driver Review Leaderboard	System design	🆕 Aug 10, 2026
Oracle	Design a Remote Browser Isolation Service	System design	🆕 Aug 10, 2026
Pinterest	Design a Blackjack Table Game	Low-level design	🆕 Aug 10, 2026
Spotify	Design a Weekly User Activity Prediction System	System design	🆕 Aug 10, 2026
Anthropic	Design Production ML Serving Observability	System design	🆕 Aug 10, 2026
Apple	Design an On-Prem Media Transfer for Cloud GPU Training	System design	🆕 Aug 09, 2026
IBM	Maximize Consecutive XOR	Coding	🆕 Aug 09, 2026
IBM	Count Digit Holes	Coding	🆕 Aug 09, 2026
OpenAI	Payment Hold, Charge, and Settlement	System design	🆕 Aug 07, 2026
Zoox	Design a Real-Time Fleet Location Display	System design	🆕 Aug 07, 2026
Figma	Design Trending Design Files	System design	🆕 Aug 07, 2026
Anthropic	Repair an Agent and Reduce Its Turn Count	AI coding	🆕 Aug 06, 2026
Amazon / Wayfair	Design a Multi-Floor Parking Lot	Low-level design	🆕 Aug 06, 2026
Zscaler / Amazon / Walmart	Design a Global Service Metrics Monitoring and Alerting Platform	System design	🆕 Aug 06, 2026
Rippling	Design a Frontend News Feed with Offline Virtualization	System design	🆕 Aug 06, 2026
Netflix	Design a Grounded Recommendation Chatbot	System design	🆕 Aug 06, 2026
Wayfair	Design an Audio Fingerprint Recognition Service	System design	🆕 Aug 06, 2026
Amazon	Design an ML Training and Deployment Platform	System design	🆕 Aug 06, 2026
Anthropic	Design Opaque-GPU Inference Capacity	System design	🆕 Aug 06, 2026
Pinterest	Design Viral Comment Notification Aggregation	System design	🆕 Aug 06, 2026
infosys	Design Offline-First Document Autosave and Synchronization	System design	🆕 Aug 06, 2026
Otter.ai	Design a Meeting Bot Allocation and Status Platform	System design	🆕 Aug 06, 2026
Headway	Design Vacation Rental Listing Search	System design	🆕 Aug 06, 2026
Headway	Fixed-Window Rate Limiter Middleware	AI coding	🆕 Aug 06, 2026
Headway	Repair Insurance Eligibility Status Projection	AI coding	🆕 Aug 06, 2026
TikTok	Distribution Center Package Allocation	Coding	🆕 Aug 05, 2026
Rippling	Design a Personalized News Aggregation Platform	System design	🆕 Aug 05, 2026
Netflix	Design Advertising Order Lifecycle Tracking	System design	🆕 Aug 05, 2026
Netflix	Design an Advertising Frequency-Capping Service	System design	🆕 Aug 05, 2026
TikTok	Concatenate Digit-wise Sums	Coding	🆕 Aug 05, 2026
TikTok	Count 2x2 Submatrices by Black Cells	Coding	🆕 Aug 05, 2026
TikTok	Count House Segments After Destruction	Coding	🆕 Aug 05, 2026
TikTok	Debugger Breakpoint Actions	Coding	🆕 Aug 05, 2026
TikTok	Find All Local Peaks	Coding	🆕 Aug 05, 2026
TikTok	Minimum Height Difference Between Distant Peaks	Coding	🆕 Aug 05, 2026
TikTok	Minimum Operations for Stepwise Structures	Coding	🆕 Aug 05, 2026
TikTok	Rating Level After Changes	Coding	🆕 Aug 05, 2026
TikTok	Space Station Shuttle Missions	Coding	🆕 Aug 05, 2026
Oracle / Retell AI / Apple / Google	Design a Distributed Rate Limiter	System design	🆕 Aug 05, 2026
Apple	Design a Multi-Device Photo Storage System	System design	🆕 Aug 05, 2026
TikTok	Count Case-Insensitive Triplets	Coding	🆕 Aug 04, 2026
TikTok	Linear Warehouse Drone Delivery	Coding	🆕 Aug 04, 2026
Figma	Design Access-Aware Design-File Retrieval and Ranking	System design	🆕 Aug 04, 2026
OpenAI / Figma	Design an Agent Evaluation Platform	System design	🆕 Aug 04, 2026
Capital One	Obstacle Placement Queries	Coding	🆕 Aug 04, 2026
TikTok	Product Minus Sum of Digits	Coding	🆕 Aug 04, 2026
Rippling	Design a Centralized Log Ingestion and Search Platform	System design	🆕 Aug 04, 2026
HSBC	Minimum Satellite Data Transfer Iterations	Coding	🆕 Aug 03, 2026
HSBC	Organization Reputation After Employee Departures	Coding	🆕 Aug 03, 2026
DoorDash	Design a Downstream-Service Alert Notification System	System design	🆕 Aug 03, 2026
Anthropic	Design a Prompt Playground	System design	🆕 Aug 03, 2026
Amazon	Repair the Wallet Loan Marketplace	AI coding	🆕 Aug 03, 2026
Amazon	Design a Playlist Source Mixer	Low-level design	🆕 Aug 03, 2026
Gusto	Design a Restaurant Staff Scheduling System	System design	🆕 Aug 03, 2026
HSBC	Remove Vowels from a String	Coding	🆕 Aug 03, 2026
Infosys	Count Valid A-B-C Sequences Under a Modulo-Four Rule	Coding	🆕 Aug 02, 2026
Infosys	Maximum Product of a Strictly Increasing Contiguous Subarray	Coding	🆕 Aug 02, 2026
Infosys	Minimum Cost to Assign Candidates to Two Cities	Coding	🆕 Aug 02, 2026
OpenAI / Baseten	Design a Stateless Generative AI Chat Service	System design	🆕 Aug 02, 2026
OpenAI	Design a Declarative Infrastructure Orchestrator	System design	🆕 Aug 02, 2026
Baseten	Build a Durable Single-Server Key-Value Store	AI coding	🆕 Aug 02, 2026
Baseten	Parallelize API Calls with a Thread Pool	AI coding	🆕 Aug 02, 2026
Asana	Design a Rectangular Jigsaw Puzzle	Low-level design	🆕 Aug 02, 2026
Salesforce / Replit / Sarvam AI	Design an Event-Driven Notification System	System design	🆕 Aug 02, 2026
Decagon	Design a Multi-Tenant AI Gateway	System design	🆕 Aug 01, 2026
Scale AI	Design an Embedding and Classification API	System design	🆕 Aug 01, 2026
Apple	Design an Online Voting Service	System design	🆕 Aug 01, 2026
Scale AI	Build a CSV-to-JSON LLM Categorization Service	AI coding	🆕 Aug 01, 2026
Superhuman	Reverse a Singly Linked List	Coding	🆕 Jul 31, 2026
Superhuman	Recover a Tree from Preorder Depth Encoding	Coding	🆕 Jul 31, 2026
Superhuman	Deep Copy a Singly Linked List	Coding	🆕 Jul 31, 2026
Superhuman	Deep Copy a Random-Pointer List	Coding	🆕 Jul 31, 2026
Chicago Trading	Design a Pre-Trade Risk Checking System	System design	🆕 Jul 31, 2026
Amazon	Repair MovieDB Search and Recommendations	AI coding	🆕 Jul 31, 2026
Plaid	Design an Embedded Pay-by-Bank Checkout	System design	🆕 Jul 31, 2026
OpenAI	Repair a Deployed Django Rate Limiter	AI coding	🆕 Jul 31, 2026
Amazon	Meeting Rooms II	Coding	🆕 Jul 30, 2026
Microsoft	Maximum Score with Prime Jumps	Coding	🆕 Jul 30, 2026
Visa	Connected Groups	Coding	🆕 Jul 30, 2026
Visa	Perfect Substrings	Coding	🆕 Jul 30, 2026
Oracle	Alphabetically Maximum Substring	Coding	🆕 Jul 30, 2026
Lyft	Stateful Paginated Fetch N	Coding	🆕 Jul 30, 2026
StackAdapt	Nested Recipe Inventory Manager	Coding	🆕 Jul 30, 2026
Snowflake	Distributed Tree Counting State Machine	Coding	🆕 Jul 30, 2026
Snowflake	Maximum Number of Events That Can Be Attended	Coding	🆕 Jul 30, 2026
Amazon	Single Element in a Sorted Array	Coding	🆕 Jul 30, 2026
eBay	K Smallest Elements from Sorted Arrays	Coding	🆕 Jul 30, 2026
eBay	Single-Pass Search in a Rotated Sorted Array	Coding	🆕 Jul 30, 2026
Opendoor	Finite Same-Origin Web Crawler	Coding	🆕 Jul 30, 2026
Oracle	Enumerate Right-and-Down Matrix Paths	Coding	🆕 Jul 30, 2026
Oracle	Maximize Movie Ratings Without Consecutive Skips	Coding	🆕 Jul 30, 2026
DoorDash	Random Dasher Set Operations	Coding	🆕 Jul 30, 2026
Databricks	Key-Value Store with Hit Counter	Coding	🆕 Jul 30, 2026
Oracle	Best Time to Buy and Sell Stock	Coding	🆕 Jul 30, 2026
IBM	String-Pair Frequency Similarity	Coding	🆕 Jul 30, 2026
Netflix / FluidStack	Design a Machine-Learning Job Scheduler	System design	🆕 Jul 30, 2026
Pinterest / Amazon / RedNote	Design a Following News Feed Service	System design	🆕 Jul 30, 2026
Databricks	Chat API and Database System	System design	🆕 Jul 30, 2026
Opendoor	Map-Based Home Search Backend	System design	🆕 Jul 30, 2026
Databricks	Music Playlist System	System design	🆕 Jul 30, 2026
Expedia	Design a Partner Data Aggregation and Query Service	System design	🆕 Jul 30, 2026
Susquehanna International Group	Design a Cash Register with Inventory and Profit Tracking	Low-level design	🆕 Jul 30, 2026
Amazon	Design a Database Partition Split-and-Merge Manager	Low-level design	🆕 Jul 30, 2026
Walmart	Design a Marketplace Product Catalog Platform	System design	🆕 Jul 30, 2026
Amazon	Design and Implement a Streaming Log Handler	Low-level design	🆕 Jul 30, 2026
DoorDash	Design a Three-Day Charity Event System	System design	🆕 Jul 30, 2026
Attentive	Design Retailer Product Catalog Serving	System design	🆕 Jul 30, 2026
Mercury Insurance	Build a Python CRUD API	AI coding	🆕 Jul 30, 2026
Cognitiv	Word Search	Coding	🆕 Jul 29, 2026
Reddit	Chatter Message Window	Coding	🆕 Jul 29, 2026
Amazon	Count the Number of Complete Components	Coding	🆕 Jul 29, 2026
Amazon	Cousins in Binary Tree II	Coding	🆕 Jul 29, 2026
Salesforce	Diameter of an Acyclic Undirected Graph	Coding	🆕 Jul 29, 2026
Squarepoint	Evaluating Circuit Expressions	Coding	🆕 Jul 29, 2026
Rippling	Filter and Sort Scheduled Tasks	Coding	🆕 Jul 29, 2026
Google	Longest Subarray with Sum at Most K	Coding	🆕 Jul 29, 2026
Google	Maximum Sum Path Between Two Leaf Nodes	Coding	🆕 Jul 29, 2026
Amazon	Minimum Operations to Make an Array Continuous	Coding	🆕 Jul 29, 2026
Lyft	Minimum Window Substring	Coding	🆕 Jul 29, 2026
Netflix	Movie Billboard Rotation	Coding	🆕 Jul 29, 2026
Instacart	Product Total With the Cheapest Promotion	Coding	🆕 Jul 29, 2026
Airbnb	Recipe Management System	Coding	🆕 Jul 29, 2026
Instacart	Sort Products by Aisle With Frozen Items Last	Coding	🆕 Jul 29, 2026
Rippling	Stateful Log Transform and Search	Coding	🆕 Jul 29, 2026
Amazon	Vertical Order Traversal of a Binary Tree	Coding	🆕 Jul 29, 2026
Databricks	Bookstore Batch Book-Price API	System design	🆕 Jul 29, 2026
Rippling	Design a Publisher News Feed	System design	🆕 Jul 29, 2026
Rippling	Design an Exact-Room Hotel Reservation System	System design	🆕 Jul 29, 2026
Pinterest / Instacart	Design an Inventory Management Service	System design	🆕 Jul 29, 2026
Amazon	Design Offline Reading-Progress Synchronization	System design	🆕 Jul 29, 2026
Databricks	WAL-Backed Batched Log-Writing System	System design	🆕 Jul 29, 2026
Databricks	Design a Locking Key-Value Store with Batch Writes	Low-level design	🆕 Jul 29, 2026
Databricks	Design a WAL-Backed Batch Log Writer	Low-level design	🆕 Jul 29, 2026
Harness	Streaming Ingredient Dishes	Coding	🆕 Jul 28, 2026
Oracle	Add One to a Number Represented as Digits	Coding	🆕 Jul 28, 2026
Oracle	Top K Frequent Elements with Larger-Value Tie Break	Coding	🆕 Jul 28, 2026
Virtu Financial	Profit Analysis	Coding	🆕 Jul 28, 2026
Virtu Financial	Banking Transaction Exceptions	Coding	🆕 Jul 28, 2026
Virtu Financial	FIX Message Reconciliation	Coding	🆕 Jul 28, 2026
Amazon	HTTP Request Redirection	Coding	🆕 Jul 28, 2026
Google	Split a Log Outside Quotes	Coding	🆕 Jul 28, 2026
Stripe	Group Linked Merchant Records	Coding	🆕 Jul 28, 2026
Apple	Insert Interval	Coding	🆕 Jul 28, 2026
Google	Decode String	Coding	🆕 Jul 28, 2026
Lyft	Nested Transaction Key-Value Store with Value Counts	Coding	🆕 Jul 28, 2026
Lyft	Minimum Workers with Job Assignments	Coding	🆕 Jul 28, 2026
Databricks	Blocking Keyed Cache with Waiting Readers	Coding	🆕 Jul 28, 2026
Google	Phone Keypad Letter Combinations	Coding	🆕 Jul 28, 2026
Google	Count Prefix Matches in a Sorted Array	Coding	🆕 Jul 28, 2026
Uber	Minimum Refueling Stops	Coding	🆕 Jul 28, 2026
OpenAI	Segmented Durable Key-Value Store	Coding	🆕 Jul 28, 2026
Cresta	Particle Moves to Target	Coding	🆕 Jul 28, 2026
Cresta	Top Three Companies by Profit	Coding	🆕 Jul 28, 2026
Cresta	Rightward Bacteria Consumption	Coding	🆕 Jul 28, 2026
Oracle	Design a Healthcare Data Ingestion Pipeline	System design	🆕 Jul 28, 2026
Google	Distributed Quoted-Log Tokenization	System design	🆕 Jul 28, 2026
Lyft	Donation Platform	System design	🆕 Jul 28, 2026
Uber	Rolling Stock Price Alert System	System design	🆕 Jul 28, 2026
Uber	Design and Implement a Parking Lot	Low-level design	🆕 Jul 28, 2026
Uber	Design and Implement Ride Dispatch and Trip Lifecycle	Low-level design	🆕 Jul 28, 2026
Bloomberg	Refactor a Cache for Pluggable Eviction Policies	Low-level design	🆕 Jul 28, 2026
Spotnana	Optimal Card Game Score	Coding	🆕 Jul 27, 2026
Zomato / Eternal	Maximum Production Within Power	Coding	🆕 Jul 27, 2026
Zomato / Eternal	Rearrange Songs by Author	Coding	🆕 Jul 27, 2026
Kikoff	JSON Identity Verification	Coding	🆕 Jul 27, 2026
The Allen Institute for AI	Streaming Step Progress Hierarchy	Coding	🆕 Jul 27, 2026
Airbnb	Parcel Event Tracking	Coding	🆕 Jul 27, 2026
Apple	Group Transitive String Aliases	Coding	🆕 Jul 27, 2026
Nooks	Majority Labels over Audio Intervals	Coding	🆕 Jul 27, 2026
Coinbase	In-Memory Database	Coding	🆕 Jul 27, 2026
Shopify	Deterministic Secret Santa Assignment	Coding	🆕 Jul 27, 2026
OpenAI	Durable String Key-Value Store	Coding	🆕 Jul 27, 2026
Confluent	Match a Variadic Function Signature	Coding	🆕 Jul 27, 2026
Google	Ad Score Scheduler With Delay	Coding	🆕 Jul 27, 2026
Google	Alternating-Color Binary Tree Roots	Coding	🆕 Jul 27, 2026
Spotnana	Minimize Maximum Pilot Workload	Coding	🆕 Jul 27, 2026
Amazon	Resolve Task Dependencies	Coding	🆕 Jul 27, 2026
Google	Route Pattern Matcher	Coding	🆕 Jul 27, 2026
Optiver	Design a News Subscription Processing Engine	System design	🆕 Jul 27, 2026
Brex	Design a Peer-to-Peer Money Transfer System	System design	🆕 Jul 27, 2026
Uber	Design a Price Movement Alert Platform	System design	🆕 Jul 27, 2026
Amazon	Design a Ticket Booking System	System design	🆕 Jul 27, 2026
Distyl AI	Design an Iterative Compound-LLM Defense Generator	System design	🆕 Jul 27, 2026
Hudson River Trading	Design Shared NFS Read Acceleration	System design	🆕 Jul 27, 2026
Amazon	Design an Extensible Multi-Channel Alerting Platform	Low-level design	🆕 Jul 27, 2026
Coinbase	In-Memory Database	AI coding	🆕 Jul 27, 2026
Stripe	Incident Monitor	Coding	🆕 Jul 26, 2026
Airbnb	Worker Management, Part 1: Office Registration	Coding	🆕 Jul 26, 2026
Airbnb	Worker Management, Part 2: Top Workers	Coding	🆕 Jul 26, 2026
Airbnb	Worker Management, Part 3: Promotions and Salary	Coding	🆕 Jul 26, 2026
Stripe	Merchant Fraud Risk Scoring	Coding	🆕 Jul 26, 2026
Boston Consulting Group	Dynamic Pair Sum Queries	Coding	🆕 Jul 26, 2026
Boston Consulting Group	Find a Submatrix Matching a Pattern	Coding	🆕 Jul 26, 2026
Boston Consulting Group	Longest Contiguous Character Run	Coding	🆕 Jul 26, 2026
Boston Consulting Group	Even-Position Monotonicity	Coding	🆕 Jul 26, 2026
Airbnb	Worker Management with Full-Shift Double Pay	Coding	🆕 Jul 26, 2026
Hudson River Trading	Count 2x2 Submatrices by Black Cells	Coding	🆕 Jul 26, 2026
Hudson River Trading	Cumulative Unique Bytes	Coding	🆕 Jul 26, 2026
Upstart	Minimum Absolute Pair Difference	Coding	🆕 Jul 26, 2026
Upstart	Lexicographic Word Frequencies	Coding	🆕 Jul 26, 2026
Upstart	Sum Multiples of 3, 5, or 7 Below N	Coding	🆕 Jul 26, 2026
Upstart	Add Drama to Text Groups	Coding	🆕 Jul 26, 2026
DE Shaw	Maximum L1 Distance Between Equal-Length Subarrays	Coding	🆕 Jul 26, 2026
Airbnb	Nested List Iterator with Remove	Coding	🆕 Jul 26, 2026
Citadel	Limit Order Book Matching Engine	Coding	🆕 Jul 26, 2026
Hudson River Trading	Market Data Signal Watcher	Coding	🆕 Jul 26, 2026
Databricks	Rectangular K-in-a-Row	Coding	🆕 Jul 26, 2026
Amazon	Shortest Distance on a Circular Bus Route	Coding	🆕 Jul 26, 2026
Databricks	Design a Durable Local Event Writer	System design	🆕 Jul 26, 2026
Databricks	Design a Chat Application Cache Architecture	System design	🆕 Jul 25, 2026
Salesforce	Optimal Account Balancing	Coding	🆕 Jul 25, 2026
Google	Count Sortable Splits	Coding	🆕 Jul 25, 2026
Stripe	Rule-Driven Transaction Fraud Detection	Coding	🆕 Jul 25, 2026
OpenAI	Prefix Matrix Products and Autograd	Coding	🆕 Jul 25, 2026
Pinterest	Nested Set Structural Equivalence	Coding	🆕 Jul 25, 2026
Stripe	Design an Idempotent Ledger Service	System design	🆕 Jul 25, 2026
Amazon	Global Music Streaming Platform	System design	🆕 Jul 25, 2026
Amazon / Postman	Social News Feed With Live Engagement	System design	🆕 Jul 25, 2026
Amazon	Design File-System Search with Symlink Safety	Low-level design	🆕 Jul 25, 2026
TikTok	Bubble Explosion	Coding	🆕 Jul 25, 2026
TikTok	Reconstruct Landmark Journey	Coding	🆕 Jul 25, 2026
TikTok	Reverse the Interior of Vowel-Bounded Words	Coding	🆕 Jul 25, 2026
TikTok	Uppercase-Lowercase Difference	Coding	🆕 Jul 25, 2026
Salesforce	Longest Increasing Subsequence	Coding	🆕 Jul 24, 2026
Salesforce	Maximal Square	Coding	🆕 Jul 24, 2026
MathWorks	Beautiful Arrangement	Coding	🆕 Jul 24, 2026
MathWorks	Find Minimum Cost to Remove Array Elements	Coding	🆕 Jul 24, 2026
Apple	Design Task Manager	Coding	🆕 Jul 24, 2026
Apple	Unit Conversion II	Coding	🆕 Jul 24, 2026
Cresta	Feature Flag Evaluation Engine	Coding	🆕 Jul 24, 2026
MathWorks	Group Shifted Strings	Coding	🆕 Jul 24, 2026
MathWorks	Longest Valid Parentheses	Coding	🆕 Jul 24, 2026
LinkedIn	CI/CD Pipeline Orchestration System	System design	🆕 Jul 24, 2026
Tekion	Design a Car Service-Center Booking System	System design	🆕 Jul 24, 2026
MathWorks	Design a Product Authentication Platform	System design	🆕 Jul 24, 2026
Shopify	Design a Production-Ready URL Cache Service	System design	🆕 Jul 24, 2026
Harvey	Grounded Document-Vault Question Answering	System design	🆕 Jul 24, 2026
Google	Ranked Deals Discovery and Claim Service	System design	🆕 Jul 24, 2026
Tekion	Design a Configurable Logging Framework	Low-level design	🆕 Jul 24, 2026
Capillary Technologies	Design a Loyalty-Data Insight Platform	System design	🆕 Jul 24, 2026
Akuna	Profitable Project Pairs	Coding	🆕 Jul 23, 2026
Goldman Sachs	Validate Binary Search Tree	Coding	🆕 Jul 23, 2026
Visa	Maximum Server Processing Time	Coding	🆕 Jul 23, 2026
Visa	Signal Pings	Coding	🆕 Jul 23, 2026
Visa	Sum of Index-Ordered Pair Differences	Coding	🆕 Jul 23, 2026
OnePay	Design a Community Chat Platform	System design	🆕 Jul 23, 2026
Roblox	Design a Like/Unlike Service	System design	🆕 Jul 23, 2026
Cursor	Design a Versioned IDE Settings Sync System	System design	🆕 Jul 23, 2026
Bloomberg	Word Break II	Coding	🆕 Jul 22, 2026
IMC	Rock Jumping	Coding	🆕 Jul 22, 2026
IMC	Stack Batch Removal	Coding	🆕 Jul 22, 2026
Microsoft	Binary String Swap Time	Coding	🆕 Jul 22, 2026
Microsoft	Minimum Effort Task Schedule	Coding	🆕 Jul 22, 2026
Tekion	Longest Balanced Substring After One Swap	Coding	🆕 Jul 22, 2026
Amazon	Sort an Array with Rotate and Flip	Coding	🆕 Jul 22, 2026
Akuna	Calculate Portfolio Rebalancing Deltas	Coding	🆕 Jul 22, 2026
Akuna	Maximum Label Difference in a Connected Component	Coding	🆕 Jul 22, 2026
Akuna	Minimize Malware Spread by Removing a Node	Coding	🆕 Jul 22, 2026
Akuna	Sort Array by Frequency	Coding	🆕 Jul 22, 2026
TikTok	Count Access Code Pairs	Coding	🆕 Jul 22, 2026
TikTok	Count Key Changes	Coding	🆕 Jul 22, 2026
TikTok	Travel Distance on Scooters	Coding	🆕 Jul 22, 2026
TikTok	Validate 3x3 Digit Windows	Coding	🆕 Jul 22, 2026
Two Sigma	Online No-Intercept Linear Regression	Coding	🆕 Jul 22, 2026
Optiver	Overheat Prevention Controller	Coding	🆕 Jul 22, 2026
DRW	Last Round for Each Player	Coding	🆕 Jul 22, 2026
DRW	Shortest Compressed Length After Removal	Coding	🆕 Jul 22, 2026
Amazon	Design a Financial Portfolio Dashboard	System design	🆕 Jul 22, 2026
Databricks	Design a Chat Application with Message and Thread Deletion	System design	🆕 Jul 22, 2026
Amazon	Loyal Customers Across Two Days	Coding	🆕 Jul 21, 2026
Amazon	Smallest Number With a Given Digit Sum	Coding	🆕 Jul 21, 2026
Oracle	Merge k Sorted Lists	Coding	🆕 Jul 21, 2026
Amazon	Design a Distributed Recurring Workflow Scheduler	System design	🆕 Jul 21, 2026
Mercor	Design a Durable Work Orchestration Platform	System design	🆕 Jul 21, 2026
Amperity	Design a Read-Once Secret Sharing Service	System design	🆕 Jul 21, 2026
Amazon	Design Music Search, Playlists, and Playback	Low-level design	🆕 Jul 21, 2026
Snowflake / Amperity	Design a Unified SaaS Analytics Platform	System design	🆕 Jul 21, 2026
Airbnb	Most Frequent Reduced Digit	Coding	🆕 Jul 20, 2026
Airbnb	Rectangle Fit Queries	Coding	🆕 Jul 20, 2026
Airbnb	Robot Final Direction	Coding	🆕 Jul 20, 2026
Airbnb	Robot Inventory Tracking	Coding	🆕 Jul 20, 2026
Akuna	Communications Handler	Coding	🆕 Jul 20, 2026
Amazon	Basic Calculator	Coding	🆕 Jul 20, 2026
Amazon	Distance Between Two Tree Nodes	Coding	🆕 Jul 20, 2026
Capital One	Format a Newspaper Page	Coding	🆕 Jul 20, 2026
Akuna	Maximum K-Star Sum	Coding	🆕 Jul 20, 2026
Microsoft	Maximum Pipeline Throughput	Coding	🆕 Jul 20, 2026
Microsoft	Maximum Strong Team Subarray	Coding	🆕 Jul 20, 2026
PhonePe	Luna and the Colorful Socks	Coding	🆕 Jul 20, 2026
Ramp	Design a Real-Time Payment Count Dashboard	System design	🆕 Jul 20, 2026
Meta	Design and Implement an In-Memory Tally Service	Low-level design	🆕 Jul 20, 2026
Assort Health	Design a Conversational Flight Search and Booking Agent	System design	🆕 Jul 20, 2026
Capital One	Alternate String Ends	Coding	🆕 Jul 19, 2026
Capital One	Sort Every Matrix Border Layer	Coding	🆕 Jul 19, 2026
Capital One	Round-Robin WDL Order	Coding	🆕 Jul 19, 2026
Waymo	Average or Zero	Coding	🆕 Jul 19, 2026
Visa	Minimum Score of a Path Between Cities	Coding	🆕 Jul 18, 2026
IDFC	Smallest Adjacent Concatenation	Coding	🆕 Jul 18, 2026
IDFC	Minimum Cake Cuts	Coding	🆕 Jul 18, 2026
Apple	Design a Large JSON Transformation Service	System design	🆕 Jul 18, 2026
Pinterest	Design a Real-Time Category Leaderboard	System design	🆕 Jul 18, 2026
Unattributed	Design Durable Long-Running Agentic Query Execution	System design	🆕 Jul 18, 2026
Unattributed	Design and Implement a Pluggable Notification Rate Limiter	Low-level design	🆕 Jul 18, 2026
Goldman Sachs	Inherited Role Permissions	Coding	🆕 Jul 17, 2026
Goldman Sachs	Root of the Largest Tree	Coding	🆕 Jul 17, 2026
Uber	Design a Driver Payout System	System design	🆕 Jul 17, 2026
Microsoft	Design a Real-Time Multiplayer Game	System design	🆕 Jul 17, 2026
Adobe	Design Infinite Scroll for Mutable Data	Low-level design	🆕 Jul 17, 2026
Adobe	Design Network-Backed Search Suggestions	Low-level design	🆕 Jul 17, 2026
Amazon	Customer Package Delivery Report	SQL	🆕 Jul 16, 2026
Microsoft	Alphabetically Smallest Palindrome	Coding	🆕 Jul 16, 2026
Microsoft	Maximum Reward Points	Coding	🆕 Jul 16, 2026
Zomato / Eternal	Robot Warehouse Optimization	Coding	🆕 Jul 16, 2026
Google	Count Good Numbers	Coding	🆕 Jul 15, 2026
Google	Count Element Symbol Decompositions	Coding	🆕 Jul 15, 2026
Google	Convert Snake Case to Camel Case	Coding	🆕 Jul 15, 2026
Uber	Last Truck to Leave the Lane	Coding	🆕 Jul 15, 2026
Akuna	Minimum Swaps	Coding	🆕 Jul 15, 2026
Citadel	Minimum Changes for a Periodic Palindrome	Coding	🆕 Jul 15, 2026
Citadel	Minimum Image Processing Cost	Coding	🆕 Jul 15, 2026
IBM	Count Strictly Increasing Subsequences of Length 3	Coding	🆕 Jul 15, 2026
Goldman Sachs	Alternating Parity Permutations	Coding	🆕 Jul 15, 2026
Arcesium	Ordered Payload Release	Coding	🆕 Jul 15, 2026
ByteDance	Most Frequent Integer with Smaller Tie-Break	Coding	🆕 Jul 15, 2026
Zomato / Eternal / Amazon	Design an Online Ordering Platform	System design	🆕 Jul 15, 2026
Uber	Chain of Command	Coding	🆕 Jul 14, 2026
Waymo	Design a Global Small-Image Cache	System design	🆕 Jul 14, 2026
Waymo	Design a Matchmaking Service	System design	🆕 Jul 14, 2026
Salesforce	Design a Rental Car Reservation System	System design	🆕 Jul 14, 2026
Salesforce	Design a Third-Party SaaS Integration Platform	System design	🆕 Jul 14, 2026
New Relic	Product of Array Except Self	Coding	🆕 Jul 13, 2026
OpenAI	CIDR IPv4 Range Iterator	Coding	Jul 12, 2026
OpenAI	IPv4 Forward Iterator	Coding	Jul 12, 2026
OpenAI	IPv4 Reverse Iterator	Coding	Jul 12, 2026
OpenAI	Convert an IPv4 Range to Minimal CIDR Blocks	Coding	Jul 12, 2026
OpenAI	Toy Language Generic Return-Type Inference	Coding	Jul 12, 2026
OpenAI	Count Matching Regions in Two Binary Grids	Coding	Jul 12, 2026
OpenAI	Largest Square Subgrid Under a Sum Limit	Coding	Jul 12, 2026
OpenAI	Backpropagation Through Sort and Median	Coding	Jul 12, 2026
Anthropic	Repair the Bootloader Program	Coding	Jul 12, 2026
Anthropic	Normalize a DNS Domain Name	Coding	Jul 12, 2026
Anthropic	Worker Management, Part 1: Office Registration	Coding	Jul 12, 2026
Anthropic	Worker Management, Part 2: Top Workers	Coding	Jul 12, 2026
Anthropic	Worker Management, Part 3: Promotions and Salary	Coding	Jul 12, 2026
Anthropic	Worker Management, Part 4: Double-Paid Intervals	Coding	Jul 12, 2026
Anthropic	Cloud Storage Compression and Decompression	Coding	Jul 12, 2026
Anthropic	In-Memory Database Historical Lookup	Coding	Jul 12, 2026
Anthropic	Banking Pending Transfer Acceptance	Coding	Jul 12, 2026
Anthropic	Cloud Storage File Versioning	Coding	Jul 12, 2026
Anthropic	Cloud Storage Prefix Trash and Restore	Coding	Jul 12, 2026
Amazon	Number of Islands II	Coding	Jul 12, 2026
Amazon	Course Schedule	Coding	Jul 12, 2026
Amazon	Maximum Length-K Window Sum over Sparse Segments	Coding	Jul 12, 2026
Amazon	Maximum Sum of Heights	Coding	Jul 12, 2026
Amazon	Longest Palindromic Subsequence	Coding	Jul 12, 2026
Amazon	Group Anagrams	Coding	Jul 12, 2026
Amazon	Maximal Square	Coding	Jul 12, 2026
Amazon	Sliding Window Maximum	Coding	Jul 12, 2026
Agoda	3Sum	Coding	Jul 12, 2026
JP Morgan	Bitwise XOR Subsequences	Coding	Jul 12, 2026
Stripe	Deployment Window Scheduler	Coding	Jul 12, 2026
TikTok	Obstacle Placement Queries	Coding	Jul 12, 2026
Upstart	Coordinate Bounding Box	Coding	Jul 12, 2026
Upstart	Increase Exclamations and Convert Periods	Coding	Jul 12, 2026
Upstart	Interleave Equal-Length Strings by Column	Coding	Jul 12, 2026
Upstart	Scale Ingredient Quantities	Coding	Jul 12, 2026
IDFC	Find All People With Secret	Coding	Jul 12, 2026
Optiver	Power Cell Bank	Coding	Jul 12, 2026
DRW	Doctor Appointment Slot Assignment	Coding	Jul 12, 2026
DRW	Maximum Even-Sum Neighboring Pairs	Coding	Jul 12, 2026
DRW	Minimize Maximum Group Difference	Coding	Jul 12, 2026
Goldman Sachs	Cheapest Flights Within K Stops	Coding	Jul 12, 2026
Goldman Sachs	Word Ladder	Coding	Jul 12, 2026
Rippling	Delivery Cost Tracker	Coding	Jul 12, 2026
Rippling	Corporate Card Expense Rules	Coding	Jul 12, 2026
Rippling	Camel Cards	Coding	Jul 12, 2026
Rippling	Article Vote Tracker	Coding	Jul 12, 2026
Rippling	Employee Resource Access Management	Coding	Jul 12, 2026
Rippling	Limit an Organization Tree's Height	Coding	Jul 12, 2026
Rippling	Distributed System Recovery	Coding	Jul 12, 2026
Rippling	Server Upgrade Planning	Coding	Jul 12, 2026
Rippling	Shortest Substring	Coding	Jul 12, 2026
Rippling	Song Play Analytics	Coding	Jul 12, 2026
Rippling	Lexicographically Minimum Stack Encryption	Coding	Jul 12, 2026
Rippling	Minimum Account Settlements	Coding	Jul 12, 2026
Rippling	Matrix Region Sum	Coding	Jul 12, 2026
Rippling	Maximum XOR Elimination Score	Coding	Jul 12, 2026
Rippling	Prime Tree City Labelings	Coding	Jul 12, 2026
Zomato / Eternal	Jump Game IV	Coding	Jul 12, 2026
IndiaMART	Reverse a String	Coding	Jul 12, 2026
Moody's	Longest Subarray with At Most Two Distinct Values	Coding	Jul 12, 2026
MulticoreWare	Minimum Coin Change	Coding	Jul 12, 2026
MulticoreWare	Second Distinct Largest Element	Coding	Jul 12, 2026
Shipsy	Largest Rectangle in Histogram	Coding	Jul 12, 2026
Stryker	Squares of a Sorted Array	Coding	Jul 12, 2026
Hive	Validate a Directed Edge Addition	Coding	Jul 12, 2026
Robinhood	Word Frequency in a Large Text	Coding	Jul 12, 2026
Amazon	Repair recurring payments in the Wallet backend	AI coding	Jul 12, 2026
Target	Minimum Edit-Distance String for Each Query	Coding	Jul 11, 2026
Target	Count Lucky Numbers in a Range	Coding	Jul 11, 2026
Target	First-Available Seat Booking	Coding	Jul 11, 2026
OpenAI	Memory Allocator	Coding	Jul 10, 2026
OpenAI	Message Event Aggregation	Coding	Jul 10, 2026
OpenAI	Streaming Entropy, Part 1: Batch Entropy	Coding	Jul 10, 2026
OpenAI	Streaming Entropy, Part 2: Numerically Stable Entropy	Coding	Jul 10, 2026
OpenAI	Streaming Entropy, Part 3: Block-wise Entropy	Coding	Jul 10, 2026
OpenAI	Streaming Entropy, Part 4: Stable Streaming Entropy	Coding	Jul 10, 2026
OpenAI	Versioned Social Network	Coding	Jul 10, 2026
Anthropic	Banking System, Part 1: Accounts and Transfers	Coding	Jul 10, 2026
Anthropic	Banking System, Part 2: Top Spenders	Coding	Jul 10, 2026
Anthropic	Banking System, Part 3: Scheduled Payments	Coding	Jul 10, 2026
Anthropic	Banking System, Part 4: Merging and Balance History	Coding	Jul 10, 2026
Amazon	Number of Atoms	Coding	Jul 10, 2026
Amazon	Minimum Redistribution Cost	Coding	Jul 10, 2026
Amazon	Domain Weight Calculation	Coding	Jul 10, 2026
Amazon	Minimum Contiguous Replacements	Coding	Jul 10, 2026
Walmart	K-Capable Model Costs	Coding	Jul 10, 2026
Google	Ad Rotation Scheduler With Cooldown	Coding	Jul 10, 2026
Google	Consolidated On-Call Rotations	Coding	Jul 10, 2026
Google	Count Connected Point Clusters	Coding	Jul 10, 2026
Google	Longest Target Run After Replacements	Coding	Jul 10, 2026
Hudson River Trading	Backtick Identifier Converter	Coding	Jul 10, 2026
Stripe	Directly Linked Users	Coding	Jul 10, 2026
Stripe	Fraud Ring Size	Coding	Jul 10, 2026
Stripe	Risky Fraud Ring	Coding	Jul 10, 2026
Two Sigma	Balanced Split String with Wildcards	Coding	Jul 10, 2026
Two Sigma	Closest Color	Coding	Jul 10, 2026
Visa	Planning Production	Coding	Jul 10, 2026
Visa	Subarray Sum	Coding	Jul 10, 2026
Optiver	Construct Binary Tree S-Expression	Coding	Jul 10, 2026
TCS	Array Rank Transform	Coding	Jul 10, 2026
Codeium	Biggest Connected Component	Coding	Jul 10, 2026
IMC	Chain of Command	Coding	Jul 10, 2026
IMC	Choose Containers	Coding	Jul 10, 2026
Flexport	Choose the Next Hidden-Word Guess	Coding	Jul 10, 2026
Apple	Phone Directory	Coding	Jul 10, 2026
Okta	CD Rental System	Coding	Jul 10, 2026
Omnissa	Longest Substring Without Repeating Characters	Coding	Jul 09, 2026
Omnissa	Rotate Array Right	Coding	Jul 09, 2026
Spotnana	All OOne Operations	Coding	Jul 09, 2026
Rupeek	Trapping Rain Water	Coding	Jul 08, 2026
OpenAI	DSA Round: Maximum Score Grid Path	Coding	Jul 08, 2026
Amazon	Closest Version Date	Coding	Jul 08, 2026
Amazon	Maximum Concurrent Processes (Bar Raiser Round)	Coding	Jul 08, 2026
Amazon	Package Dependency Order	Coding	Jul 08, 2026
Scale AI	Task Scheduler with Dependencies	Coding	Jul 08, 2026
Salesforce	ATM Queue Exit Order	Coding	Jul 08, 2026
Salesforce	Good Ways to Split an Array	Coding	Jul 08, 2026
Salesforce	Generate Seen Binary Strings	Coding	Jul 08, 2026
Salesforce	Update Pod Counts From Logs	Coding	Jul 08, 2026
Agoda	Feasibility of Printing Within Given Days	Coding	Jul 08, 2026
Agoda	Minimum Daily Printing Limit	Coding	Jul 08, 2026
Nvidia	Fibonacci Iterator	Coding	Jul 08, 2026
Google	String Pattern Replacement	Coding	Jul 08, 2026
Google	Template Variable Expansion	Coding	Jul 08, 2026
Meta	Highest Rating Price Ratio	Coding	Jul 08, 2026
Snowflake	Closest Target Character	Coding	Jul 08, 2026
Point72	Test the Hypothesis	Coding	Jul 08, 2026
DE Shaw	Minimum Frames for Equal Chunks	Coding	Jul 08, 2026
DE Shaw	Non-Alternating Binary Partitions	Coding	Jul 08, 2026
Sofi	Reachable Nodes in a Directed Graph	Coding	Jul 08, 2026
Mercor	Top K With a Deterministically Noisy Comparator (MLE)	Coding	Jul 08, 2026
Reddit	Reconstruct Billing Status	Coding	Jul 08, 2026
Apple	Product Except Self With Zeros	Coding	Jul 08, 2026
Apple	Subset Sum Possible	Coding	Jul 08, 2026
Apple	Validate Completed Sudoku	Coding	Jul 08, 2026
Figma	Rich Text Parser Part 3 (Depth Tokens)	Coding	Jul 08, 2026
Zomato / Eternal	Flipping Matrix	Coding	Jul 08, 2026
Zomato / Eternal	Special Keyboard	Coding	Jul 08, 2026
NatWest	Remove Duplicate Characters	Coding	Jul 08, 2026
NatWest	Sum Elements at Even Indices	Coding	Jul 08, 2026
Safe Security	Maximum Subarray Sum	Coding	Jul 08, 2026
Blinkit	Unique Supersequence Merge	Coding	Jul 08, 2026
Amazon	Merge Sorted Array	Coding	Jul 07, 2026
PhonePe	Count Bowl Subarrays	Coding	Jul 07, 2026
PhonePe	Reconstruct Itinerary	Coding	Jul 07, 2026
Superhuman	Design an Ephemeral Messaging Service	System design	Jul 06, 2026
Amazon	Design an Online Code Compiler	System design	Jul 05, 2026
Amazon	Permutation Sorter	Coding	Jul 03, 2026
Amazon	Maximum Product New Rating	Coding	Jul 03, 2026
Amazon	Maximum Final Value	Coding	Jul 03, 2026
Amazon	Get Max Servers	Coding	Jul 03, 2026
McKinsey	Predicting the S&P 500 Index	Coding	Jul 03, 2026
QRT	Array Nullification	Coding	Jul 03, 2026
QRT	Keep Them Apart	Coding	Jul 03, 2026
Snowflake	Minimum Height	Coding	Jul 03, 2026
IBM	Spam Text Classification	Coding	Jul 03, 2026
IBM	Query Type Frequency Window	Coding	Jul 03, 2026
IBM	Maximum Requests in a Time Window	Coding	Jul 03, 2026
IBM	Minimum Number of Non-Empty Disjoint Segments	Coding	Jul 03, 2026
Unknown Company	String Challenge: Run-Length Encoding	Coding	Jul 03, 2026
Nvidia	Governed SQL Generation Chatbot	System design	Jul 02, 2026
Nvidia	GPU Telemetry Collection and Analytics Platform	System design	Jul 02, 2026
Baseten	Ingest and Structure Historical Pod Alerts	System design	Jul 02, 2026
Amazon	Feasible Indices After Prefix/Suffix Reduction	Coding	Jun 30, 2026
Amazon	Secure Maximum Deliveries	Coding	Jun 30, 2026
Snowflake	Simple Array Rotation Game	Coding	Jun 30, 2026
Microsoft	XOR Multiplication	Coding	Jun 30, 2026
Microsoft	Neural Network Subnetwork Strength	Coding	Jun 30, 2026
Amazon	Count Distinct Domino Colorings	Coding	Jun 29, 2026
Amazon	Frequently Bought Together	Coding	Jun 29, 2026
Amazon	Minimum Emergency Deliveries	Coding	Jun 29, 2026
Amazon	Productive Worker Teams	Coding	Jun 29, 2026
Amazon	Souvenir Shop Purchases	Coding	Jun 29, 2026
McKinsey	Count Repeated Request IDs	Coding	Jun 29, 2026
Salesforce	Final Pod Counts After Logs	Coding	Jun 29, 2026
Salesforce	Minimum Removals to Balance Array	Coding	Jun 29, 2026
Uber	Minimum Operations To Reduce To Zero	Coding	Jun 29, 2026
Uber	Shopkeeper Final Price	Coding	Jun 29, 2026
TikTok	Check Even-Position Monotonicity	Coding	Jun 29, 2026
TikTok	Construct WDL String	Coding	Jun 29, 2026
Two Sigma	Linear Interpolator	Coding	Jun 29, 2026
IBM	Request Retry Count	Coding	Jun 29, 2026
Microsoft	Maximum Escape Game Score	Coding	Jun 29, 2026
Microsoft	Minimum Cost K-Capable Models	Coding	Jun 29, 2026
Microsoft	Unique Difference Pattern	Coding	Jun 29, 2026
Goldman Sachs	Valid Binary Prefix	Coding	Jun 29, 2026
Expedia	Maximum Team Size	Coding	Jun 29, 2026
SeekOut	Merge Intervals	Coding	Jun 27, 2026
Amazon	Repair Workflow Issue and Sub-Issue Creation	AI coding	Jun 25, 2026
Amazon	Repair Workflow Team Editing and Deletion	AI coding	Jun 25, 2026
ByteDance	Test Task Management User Assignments	AI coding	Jun 25, 2026
Amazon	Service Pipeline Stabilization Time	Coding	Jun 24, 2026
Amazon	Find Minimum Groups	Coding	Jun 24, 2026
Google	Maximum Coins With Moving Tokens	Coding	Jun 24, 2026
Google	Maximum Elements With a Common Digit	Coding	Jun 24, 2026
Snowflake	Drawing Edge	Coding	Jun 24, 2026
Snowflake	Generating Login Codes	Coding	Jun 24, 2026
Microsoft	Programmer Strings	Coding	Jun 24, 2026
Microsoft	Minimum Round Trip Lengths	Coding	Jun 24, 2026
HSBC	Find ID of Soldier	Coding	Jun 21, 2026
HSBC	Find Most Frequently Purchased Products	Coding	Jun 21, 2026
Amazon	Sort Bug Report Frequencies	Coding	Jun 19, 2026
Amazon	Maximum Equal Parts for Prefixes	Coding	Jun 19, 2026
Meesho	Efficient Deployments	Coding	Jun 18, 2026
Google	Fountain Safety	Coding	Jun 17, 2026
Walmart	K-Capable Model Selection	Coding	Jun 16, 2026
Amazon	Design a Vending Machine Fleet	System design	Jun 15, 2026
Mercor	Design an External Career Data Analytics Platform	System design	Jun 15, 2026
Scale AI	Task Processor: Dependencies and Deadlines	Coding	Jun 14, 2026
Shopify	Mars Rover Robot Controller	Coding	Jun 13, 2026
Salesforce	Count Prime Strings	Coding	Jun 10, 2026
Vanta	Implement uniq: Unique Lines	Coding	Jun 10, 2026
Amazon	Select Least Resource Tasks	Coding	Jun 09, 2026
Amazon	Get Smallest Base Segment	Coding	Jun 09, 2026
Amazon	Count Promotional Periods	Coding	Jun 09, 2026
Amazon	Get Minimum Amount	Coding	Jun 09, 2026
Agoda	Minimum Absolute Difference Pairs	Coding	Jun 08, 2026
Amazon	Design an E-commerce Recommendation Event Pipeline	System design	Jun 05, 2026
Amazon	Find Minimum Cost	Coding	Jun 04, 2026
JP Morgan	About Shipping	Coding	Jun 04, 2026
Netflix	Topological Sort for Ads Tasks	Coding	Jun 04, 2026
Google	Consolidate On-Call Rotations	Coding	Jun 02, 2026
Uber	Jump Game with Prime-3 Steps	Coding	Jun 01, 2026
Uber	Total Palindrome Substring Cost	Coding	Jun 01, 2026
Capital One	Count Numbers with Even Number of Digits	Coding	May 31, 2026
Capital One	Longest Same-Character Substring	Coding	May 31, 2026
Capital One	Count House Segments After Destruction	Coding	May 31, 2026
Capital One	Laser Robot Safe Path	Coding	May 31, 2026
Amazon	Lowest Common Ancestor Implemented with Stack	Coding	May 30, 2026
Amazon	Design an Amazon Locker System	System design	May 26, 2026
Amazon	Find Max Total Amount	Coding	May 25, 2026
Akuna	Maximum Difference	Coding	May 25, 2026
Amazon	Product Category Group Sizes	Coding	May 23, 2026
Uber	Tournament Rounds by Rank	Coding	May 23, 2026
Uber	Earliest Time All Users Are Connected	Coding	May 23, 2026
Meta	Merge Three Sorted Arrays	Coding	May 23, 2026
Amazon / Postman	Design a Collaborative Document Editor	System design	May 22, 2026
Amazon	Count Connected Components	Coding	May 21, 2026
Postman	Design a Social Feed and Post Detail Experience	System design	May 21, 2026
Google	Detonate Bombs with Chain Reactions	Coding	May 20, 2026
Google	Evaluate a Nested Math Expression	Coding	May 20, 2026
Guidewire	Minimum Boys Next to Girls	Coding	May 20, 2026
Salesforce	Run-Length String Compression	Coding	May 19, 2026
Salesforce	Time Needed to Rearrange a Binary String	Coding	May 19, 2026
Infosys	Minimum Path Sum With Grid Switches	Coding	May 19, 2026
Snowflake	Effective Role Privileges	Coding	May 19, 2026
Pinterest	Assign Pins to the Shortest Column	Coding	May 18, 2026
OpenAI	Grid Infection Spread Until Stable	Coding	May 16, 2026
OpenAI	Grid Infection with Immune Cells Until Stable	Coding	May 16, 2026
OpenAI	Chat Event Counts	Coding	May 13, 2026
Amazon	Unique Pairs With Target Sum	Coding	May 13, 2026
Uber	Convex Function Minimization	Coding	May 13, 2026
Harvey	Spreadsheet Formula Evaluator	Coding	May 13, 2026
Hudson River Trading	Integer to String Without Built-ins	Coding	May 13, 2026
Waymo	Decode Repeated Groups	Coding	May 13, 2026
Deloitte	Seventh Nearest Palindrome	Coding	May 12, 2026
Lyft	Rotten Oranges / Grid Infection BFS	Coding	May 12, 2026
Anduril	Design and Implement a Doubly Linked List	Low-level design	May 12, 2026
Uber	Maximal Square Area	Coding	May 11, 2026
Snowflake	Closest Bathroom / Desk on a Grid	Coding	May 11, 2026
Snowflake	Minimum Index Distance Between Person and Cake	Coding	May 11, 2026
Snowflake	Minimum Clicks Between Wiki Pages	Coding	May 11, 2026
Airbnb	Print Sentences as Table	Coding	May 11, 2026
Crusoe	Interval Usage with Non-Overlapping Overrides	Coding	May 11, 2026
DoorDash	Maximize Total Profit by Assigning Chefs to Dishes	Coding	May 11, 2026
Ericsson	Pascal's Triangle	Coding	May 11, 2026
Ericsson	Top K Frequent Elements	Coding	May 11, 2026
Geico	Implement an LRU Cache	Coding	May 11, 2026
TikTok	Maximum Candies with At Most Two Types in a Line	Coding	May 11, 2026
TikTok	LRU Cache with TTL Expiration	Coding	May 11, 2026
Upstart	Bounding Box from Coordinates	Coding	May 11, 2026
Upstart	Filter by Threshold and Return Name with Max Score	Coding	May 11, 2026
Whatnot	User Journey Paths	Coding	May 11, 2026
Anthropic	In-Memory Database with Backup and Restore	Coding	May 10, 2026
Capital One	Queue Check-in Simulation with Capacity Limit	Coding	May 10, 2026
Capital One	Dynamic Wall Building and Range Query	Coding	May 10, 2026
Capital One	Cyclic Shift to Strictly Descending Array	Coding	May 10, 2026
Stripe	Email Log Processing, Grouping, and Sorting	Coding	May 10, 2026
Circle	Task Management System	Coding	May 10, 2026
Circle	User Quota Scheduling with Expiring Assignments	Coding	May 10, 2026
Point72	Lexicographically Smallest String After Substring Operation	Coding	May 10, 2026
Two Sigma	Piecewise Linear Interpolation and Extrapolation	Coding	May 10, 2026
Intuit	Small Business Network: Degrees of Separation	Coding	May 08, 2026
ByteDance	Design an Event Booking and Analytics Platform	System design	May 07, 2026
OpenAI	ChatApp with Bots	Coding	May 05, 2026
OpenAI	IP Address to CIDR Blocks	Coding	May 05, 2026
Uber	First Unique IP Hitting the Server	Coding	May 05, 2026
Roblox	Implement a Rate Limiter	Coding	May 05, 2026
Roblox	Rate Limit by Multiple Request Fields	Coding	May 05, 2026
Visa	Minimum Cost to Select People for Skill Quotas	Coding	May 05, 2026
Roblox	Rate Limiter Sliding Window With Per-Entity Limits	Coding	May 04, 2026
IDFC	Special Binary String	Coding	May 01, 2026
Amazon	Feasible Indices After Reduction	Coding	Apr 30, 2026
Netflix	Command Undo Data Structure	Coding	Apr 30, 2026
Google	Shortest Path with Mandatory Waypoint	Coding	Apr 30, 2026
Google	Minimum Cars for Rental Requests	Coding	Apr 30, 2026
Uber	First Unique Log Entry	Coding	Apr 30, 2026
Uber	Top-K Using a Priority Queue	Coding	Apr 30, 2026
Stripe	Generate Available Time Slots	Coding	Apr 30, 2026
Applied Intuition	KV Store with Nested Transactions	Coding	Apr 30, 2026
Citadel	Minimum Path Sum to Target in Binary Tree	Coding	Apr 30, 2026
Datadog	Log Ingestion and Query	Coding	Apr 30, 2026
LinkedIn	Count Completed Trips	Coding	Apr 30, 2026
Oscar Health	Members Lacking Provider Network Access	Coding	Apr 30, 2026
Tesla	KV Store with Rollback	Coding	Apr 30, 2026
Oura	Assign Server Numbers by Type	Coding	Apr 28, 2026
Verkada	Find Valid IP Addresses	Coding	Apr 28, 2026
Visa	Maximize Capped Contribution Sum	Coding	Apr 27, 2026
Visa	Longest Selectable Non-Decreasing Subarray	Coding	Apr 27, 2026
Databricks	Find First Anagram Index	Coding	Apr 27, 2026
Gemini	Minimum Fence Painting Operations	Coding	Apr 27, 2026
IBM	Count Power Products in Range	Coding	Apr 26, 2026
IBM	Count Descending Subarrays	Coding	Apr 26, 2026
Zoox	Design a Robotaxi Teleoperations Analytics Platform	System design	Apr 26, 2026
Discord	Design a Video Call Analytics Platform	System design	Apr 26, 2026
Amazon	Count Similar String Groups	Coding	Apr 25, 2026
Uber	Balanced Prefix Sets in a Permutation	Coding	Apr 25, 2026
Uber	Minimum Edge Reversals to Root a Tree	Coding	Apr 25, 2026
Amazon	Design a Fastag Toll Payment System	System design	Apr 25, 2026
Amazon	Create Array Generator Service	Coding	Apr 20, 2026
Point72	Initial Public Offering	Coding	Apr 19, 2026
Amazon	Get Min Errors	Coding	Apr 16, 2026
Amazon	Maximum Score With Non-Adjacent Values	Coding	Apr 14, 2026
Amazon	Make Value Groups Contiguous	Coding	Apr 13, 2026
Superhuman	Lost Messages	Coding	Apr 10, 2026
Superhuman	Optimal Transfer	Coding	Apr 10, 2026
Superhuman	Math Homework	Coding	Apr 10, 2026
Amazon	Dynamic Kth Largest Queries	Coding	Apr 09, 2026
Amazon	Longest Zero Sum Subarray	Coding	Apr 09, 2026
Amazon	Maximize Minimum Machine Power	Coding	Apr 09, 2026
Amazon	Minimum Stick Connection Cost	Coding	Apr 09, 2026
Uber	Balanced Permutation Subarrays	Coding	Apr 09, 2026
Uber	Maximum Comfortable Riders	Coding	Apr 09, 2026
Uber	Palindrome Path Queries in a Tree	Coding	Apr 09, 2026
Amazon	Maximize Protected City Population	Coding	Apr 06, 2026
Amazon	Minimum Cost to Convert Products to Variant A	Coding	Apr 06, 2026
Amazon	Minimum Preparation Time for Two Handlers	Coding	Apr 06, 2026
Rubrik	Minimum Swaps To Binary Palindrome	Coding	Apr 04, 2026
Zorvyn	Shortest Path With K Free Edges	Coding	Apr 04, 2026
Cohere	Enterprise Research Assistant	System design	Apr 01, 2026
Snowflake	String Formation (Also for AI/ML Software Engineer Intern :)	Coding	Mar 31, 2026
Snowflake	Max Element Indexes After Rotations	Coding	Mar 31, 2026
HackerRank	Check Permutation Divisible by Eight	Coding	Mar 31, 2026
Microsoft	Maximum Data Transfer Time	Coding	Mar 28, 2026
Amazon	Sum Max Plus Min After Decrement Operations	Coding	Mar 25, 2026
Uber	Minimum Plate Collection Time	Coding	Mar 25, 2026
Blackrock	Process Scheduling	Coding	Mar 25, 2026
Amazon	Make Power Non Decreasing	Coding	Mar 24, 2026
Amazon	Sort Error Codes by Frequency	Coding	Mar 24, 2026
Optiver	Days Between	Coding	Mar 24, 2026
Amazon	The Best Way To Pack	Coding	Mar 23, 2026
DRW	Simplified Tetris Engine	Coding	Mar 23, 2026
Headlands	Disaster Recovery	Coding	Mar 21, 2026
Microsoft	Authentication System	Coding	Mar 21, 2026
Microsoft	Visible Profiles Count	Coding	Mar 21, 2026
Swiggy	First and Last Occurrence	Coding	Mar 20, 2026
TCS	Gym Fees Calculator	Coding	Mar 20, 2026
Two Sigma	Sewer Drainage Partition	Coding	Mar 18, 2026
Salesforce	Key Teams in Tree	Coding	Mar 15, 2026
Salesforce	System Energy Reduction	Coding	Mar 15, 2026
Salesforce	Update Logs by Symmetric XOR	Coding	Mar 15, 2026
Salesforce	Count Palindromic Concatenation Pairs	Coding	Mar 02, 2026
Microsoft	Recover Corrupted Master Page	Coding	Feb 27, 2026
Uber	Kth Greater Element Indexes	Coding	Feb 24, 2026
Uber	Kth Largest Subarray Bitwise OR	Coding	Feb 24, 2026
Uber	Minimum Spanning Tree Weight in a Complete Binary Graph	Coding	Feb 24, 2026
Uber	Balanced Prefix Permutation	Coding	Feb 19, 2026
Uber	Minimum Euclidean Plate Collection Time	Coding	Feb 19, 2026
Infosys	Maximum Subarray Sum After Swaps	Coding	Feb 19, 2026
Postman	Group Duplicate Files by Content	Coding	Feb 17, 2026
Salesforce	Collect Opportunity Data in a Tree	Coding	Feb 06, 2026
Salesforce	Replace '?' to Avoid Adjacent Duplicates	Coding	Feb 06, 2026
Salesforce	Strings With No k Consecutive Identical Characters	Coding	Feb 06, 2026
Amazon	Lexicographically Smallest After One Substring Rotation	Coding	Feb 05, 2026
Uber	Binary Tree: Subtree Sum, Maximum Path Sum, and Path Nodes	Coding	Feb 04, 2026
IBM	Count Unstable Processes	Coding	Feb 03, 2026
IBM	Longest Balanced Binary Subarray	Coding	Feb 03, 2026
Amazon	Minimum Operations to Sort a Permutation	Coding	Jan 30, 2026
Microsoft	Special Diameter Endpoints	Coding	Jan 30, 2026
Amazon	Package Delivery System	Coding	Jan 24, 2026
Amazon	VM Rental Revenue	Coding	Jan 24, 2026
Amazon	Lexicographically Maximum Final Sequence	Coding	Jan 24, 2026
infosys	Design Ride-Hailing Dispatch and Trip Lifecycle	System design	Jan 21, 2026
JP Morgan	Count Dropped Requests	Coding	Jan 19, 2026
JP Morgan	Generate Table of Contents	Coding	Jan 19, 2026
Walmart	Sort Real Number Strings	Coding	Jan 12, 2026
SavantLabs	Minutes to Infect Tree	Coding	Jan 12, 2026
Toast	Maximum Stock Profit With Time Gap	Coding	Jan 12, 2026
Amazon	Longest Arithmetic Subarray After One Change	Coding	Jan 06, 2026
Amazon	Replace Values and Return Sums	Coding	Jan 06, 2026
Google	Count Divisible Coin Selections	Coding	Dec 24, 2025
Google	Minimum Town Sum Difference	Coding	Dec 24, 2025
Oracle	First Balanced Removal Index	Coding	Dec 22, 2025
Google	Reach the End in Time	Coding	Dec 20, 2025
HackerRank	Ball Passing at Time K	Coding	Dec 17, 2025
HackerRank	Longest Equal Binary Subarray	Coding	Dec 17, 2025
HackerRank	Longest Equal Binary Subarray After One Flip	Coding	Dec 17, 2025
Visa	Previous Bus Departure	Coding	Dec 16, 2025
Zopsmart	Base36 Square Root	Coding	Dec 16, 2025
Zopsmart	Minimum Hidden Roman Value	Coding	Dec 16, 2025
Zopsmart	Reverse Base36 Number	Coding	Dec 16, 2025
Amazon	Minimum S3 Storage Cost	Coding	Dec 11, 2025
Flipkart	Minimized Total Idle Time	Coding	Dec 11, 2025
Sierra	Design a Resumable Streaming AI Chat	System design	Nov 24, 2025
HSBC	Minimum Markers to Clear Line Segments	Coding	Nov 19, 2025
MathWorks	Balancing Teams	Coding	Nov 16, 2025
MathWorks	Largest Sub-Grid	Coding	Nov 16, 2025
Two Sigma	Calculate y/x using Patch	Coding	Nov 09, 2025
IBM	Process Execution Time	Coding	Nov 03, 2025
IBM	Service Timeout Detection	Coding	Nov 03, 2025
Microsoft	Distinct Number Line Moves	Coding	Oct 16, 2025
Goldman Sachs	Lock Code	Coding	Sep 06, 2025
Goldman Sachs	Log Buffer Analyzer	Coding	Sep 06, 2025
Goldman Sachs	Data Reorganization	Coding	Sep 06, 2025
SpaceX	Rocket Component Cost	Coding	Aug 22, 2025
Amazon	Fair Prize Distribution	Coding	Aug 10, 2025
Amazon	Count Picked Items Less Than Queries	Coding	Aug 10, 2025
Salesforce	Spam Text Classification	Coding	Aug 06, 2025
Salesforce	Viewable Profiles by User	Coding	Aug 06, 2025
Amazon	Largest Number With Digit Sum	Coding	Aug 03, 2025
Amazon	Minimize Binary Subsequence Cost	Coding	Aug 03, 2025
Salesforce	Maximize Movie Ratings With Skip Limit	Coding	Jul 26, 2025
Amazon	First Valid Word Segmentation	Coding	Jul 26, 2025
Amazon	Longest Increasing Subsequence With Bounded Adjacent Difference	Coding	Jul 26, 2025
Amazon	Nearby Fulfillment Centers with Inventory	Coding	Jul 26, 2025
Amazon	Search in a Rotated Sorted Array	Coding	Jul 26, 2025
Amperity	Draw Overlapping ASCII Rectangles	Coding	Jul 26, 2025
Anthropic	Profiling Events from Consecutive Stack Samples	Coding	Jul 26, 2025
ByteDance	Longest Repeating Character Replacement	Coding	Jul 26, 2025
ByteDance	QuickSelect Kth Smallest	Coding	Jul 26, 2025
ByteDance	Search in Rotated Sorted Array	Coding	Jul 26, 2025
Capillary Technologies	Delete a Linked-List Node Without the Head	Coding	Jul 26, 2025
Capillary Technologies	Top View of a Binary Tree	Coding	Jul 26, 2025
Cisco	Longest Non-Repeating Substring	Coding	Jul 26, 2025
Databricks	Durable Data Writer	Coding	Jul 26, 2025
Databricks	Snapshot Set Iterator	Coding	Jul 26, 2025
DoorDash	Dasher Pay with Store Waits and Peak Hours	Coding	Jul 26, 2025
Google	Binary Matrix Top-to-Bottom Reachability	Coding	Jul 26, 2025
Google	Enumerate Top-to-Bottom Grid Paths	Coding	Jul 26, 2025
Google	Inclusive Rectangle Coverage Counts	Coding	Jul 26, 2025
Google	Minimum-Weight Top-to-Bottom Grid Path	Coding	Jul 26, 2025
Google	Priority Job Scheduler with Cooldowns	Coding	Jul 26, 2025
Harvey	Highlight and Rank Overlapping Citations	Coding	Jul 26, 2025
Illumio	Time-Based Key-Value Database	Coding	Jul 26, 2025
LinkedIn	Merge N-Ary Trees by Key	Coding	Jul 26, 2025
Meta	Count Fully Used Batteries	Coding	Jul 26, 2025
Meta	Count Key Changes	Coding	Jul 26, 2025
Meta	Minimum Operations for a Stepwise Sequence	Coding	Jul 26, 2025
Meta	Most Frequent Reduced Digit	Coding	Jul 26, 2025
Nuro	Maximum Value for Two Delivery Robots	Coding	Jul 26, 2025
OnePay	Count Complete Toll Journeys	Coding	Jul 26, 2025
OpenAI	Versioned Followers and Followees	Coding	Jul 26, 2025
OpenAI	Versioned Friend Recommendations	Coding	Jul 26, 2025
Pinterest	Nearest Eligible Elevator	Coding	Jul 26, 2025
Pinterest	Time-Ordered Elevator Dispatch	Coding	Jul 26, 2025
Salesforce	Maximum Barbell Weight	Coding	Jul 26, 2025
Salesforce	Minimum No-Repeat Segments After One Character Removal	Coding	Jul 26, 2025
SAP Labs	Sliding-Window Text Chunking	Coding	Jul 26, 2025
Serval	Find Shared Camera Activity Periods	Coding	Jul 26, 2025
Snowflake	Simulate a Queued Multi-Rule Rate Limiter	Coding	Jul 26, 2025
Tekion	Koko Eating Bananas	Coding	Jul 26, 2025
Tekion	Maximum Sum of a Unique-Element Subarray	Coding	Jul 26, 2025
Tekion	Minimum Size Subarray Sum With Negatives	Coding	Jul 26, 2025
Tekion	Number of Islands	Coding	Jul 26, 2025
Tekion	Set Matrix Zeroes	Coding	Jul 26, 2025
TikTok	Can Reach the Exit with Teleports	Coding	Jul 26, 2025
TikTok	Check Monotonic Triples	Coding	Jul 26, 2025
TikTok	Shift Every K-th Consonant	Coding	Jul 26, 2025
Together AI	Find GPU Capacity and Drain a Node	Coding	Jul 26, 2025
Virtu Financial	Count Substrings With Identical Characters	Coding	Jul 26, 2025
Virtu Financial	HexSpeak	Coding	Jul 26, 2025
Virtu Financial	Maximum Apples That Fit in a Box	Coding	Jul 26, 2025
Virtu Financial	Minimum Steps to a Fibonacci Number	Coding	Jul 26, 2025
Zoox	Best Time to Buy and Sell Stock	Coding	Jul 26, 2025
Arcesium	City Infection Number	Coding	Jul 23, 2025
Arcesium	Minimum Tunnel Crossing Time	Coding	Jul 23, 2025
Arcesium	Product of Subset Maxima	Coding	Jul 23, 2025
Arcesium	Reconstruct the Root Stream	Coding	Jul 23, 2025
Amazon	Maximize Pages Before Suspension	Coding	Jul 08, 2025
Salesforce	Minimum Operations to Zero	Coding	Jul 08, 2025
Salesforce	Integrity Score	Coding	Jul 08, 2025
Fortinet	Compute Checksum Aggregation	Coding	Jul 08, 2025
Fortinet	Madam C.J. Walker's Business Plan	Coding	Jun 24, 2025
Fortinet	K-Means Clustering	Coding	Jun 24, 2025
Fortinet	Signal Pings	Coding	Jun 24, 2025
Box	Retention Policy Collision	Coding	Jun 24, 2025
Box	Counterfeit Currency	Coding	Jun 24, 2025
Box	Box Fro~yo	Coding	Jun 24, 2025
Amazon	Predict Answer	Coding	Jun 23, 2025
Amazon	Minimum Total Packaging Effort	Coding	Jun 20, 2025
Amazon	Get Min Subsegments	Coding	Jun 18, 2025
Amazon	Find Security Level	Coding	Jun 18, 2025
Amazon	Minimize Variation	Coding	Jun 18, 2025
JP Morgan	Calculate Net Profit	Coding	Jun 18, 2025
JP Morgan	Balanced Sum	Coding	Jun 18, 2025
JP Morgan	Get Min Operations	Coding	Jun 18, 2025
JP Morgan	Get Search Result	Coding	Jun 18, 2025
JP Morgan	One Substring Count	Coding	Jun 18, 2025
JP Morgan	Find Total Weight	Coding	Jun 18, 2025
PayPay	Sum Consecutive Identical Digits	Coding	Jun 18, 2025
PayPay	Board Coloring and Query Processing	Coding	Jun 18, 2025
PayPay	Palindromic Array Transformation	Coding	Jun 18, 2025
PayPay	Calculate Change	Coding	Jun 18, 2025
PayPay	Find Maximum Two-Digit Fragment	Coding	Jun 18, 2025
Amazon	Find Hash	Coding	Jun 12, 2025
Postman	Design a Threaded Comment System with User Tags	Low-level design	Jun 07, 2025
Postman	Design an Annotated Comment Thread System	Low-level design	Jun 07, 2025
Amazon	Find Minimum Days	Coding	May 31, 2025
Amazon	Split Prefix Suffix	Coding	May 31, 2025
Amazon	Find Minimum Machine Sizes	Coding	May 31, 2025
Amazon	Count Special Substrings	Coding	May 31, 2025
Amazon	Get Maximum Count	Coding	May 31, 2025
Cloudflare	Determine Min Partitions Required	Coding	May 31, 2025
Amazon	Determine the Best Skipping Strategy	Coding	May 25, 2025
Amazon	Find Number of Compatible Substrings	Coding	May 25, 2025
Amazon	Minimum Connected Delivery Zones After Adding One Interval	Coding	May 25, 2025
Amazon	Find Maximum Score	Coding	May 25, 2025
Amazon	Lexicographically Maximal Resulting Array	Coding	May 25, 2025
Meesho	Distinct Moves	Coding	May 25, 2025
Agoda	Unique Digits in Range	Coding	May 25, 2025
Agoda	Two-Core Process Assignment	Coding	May 25, 2025
Agoda	Team Formation	Coding	May 25, 2025
IBM	Get Min Increment	Coding	May 25, 2025
IBM	Get Min Operations	Coding	May 25, 2025
Microsoft	Valid Mixed Case Letters	Coding	May 25, 2025
Airtable	Approximate Percentiles	Coding	May 25, 2025
Airtable	Get Most Hydrated Team	Coding	May 25, 2025
Airtable	Table Editing	Coding	May 25, 2025
Dell	Optimizing Resource Allocation	Coding	May 25, 2025
Dell	Count Binary Substrings	Coding	May 25, 2025
Epify	Request Redirection	Coding	May 25, 2025
Juspay	Converging Maze: Largest Sum Cycle	Coding	May 25, 2025
Juspay	Converging Maze: Nearest meeting cell	Coding	May 25, 2025
Unknown Company	Math Challenge	Coding	May 25, 2025
Unknown Company	Get Minimum Moves	Coding	May 25, 2025
Postman	Design a Calendar Event Collaboration System	System design	May 15, 2025
Postman	Design a Dating Application	Low-level design	May 15, 2025
Postman	Design a Location-Aware Dating Application	Low-level design	May 15, 2025
Amazon	Min Dock Bays	Coding	Apr 27, 2025
Amazon	Find Idle Skill Query	Coding	Apr 27, 2025
Amazon	Compute Beauty of Array Products	Coding	Apr 27, 2025
Amazon	Min Num Unique Distribution Hubs	Coding	Apr 13, 2025
Amazon	Use Minimum Tokens	Coding	Apr 13, 2025
Amazon	Next Perfect String	Coding	Apr 13, 2025
DTCC	Find Reciprocal	Coding	Apr 13, 2025
Amazon	Remove Characters in Frequency Order	Coding	Apr 10, 2025
Point72	Get Triplet Count	Coding	Apr 10, 2025
Microsoft	Min Cars to Remove	Coding	Apr 10, 2025
Amazon	Count Failed Executions	Coding	Apr 08, 2025
Amazon	Optimal Utilization	Coding	Apr 05, 2025
Amazon	Ways to Select Fleet	Coding	Apr 05, 2025
Amazon	Buy Servers	Coding	Apr 05, 2025
Amazon	Help AMZ Find Min Time Again	Coding	Mar 31, 2025
Amazon	Min Retailers	Coding	Mar 31, 2025
Amazon	Cinema Shows	Coding	Mar 31, 2025
Amazon	Find Replacement	Coding	Mar 29, 2025
IBM	Bitonic Subarray	Coding	Mar 29, 2025
ZipRecruiter	Fantasy Card Duel	Coding	Mar 29, 2025
Amazon	Good String	Coding	Mar 28, 2025
ZipRecruiter	Triplets With Unique Chars	Coding	Mar 28, 2025
HSBC	Flower Bouquets	Coding	Mar 28, 2025
HSBC	Max House Area	Coding	Mar 28, 2025
Yahoo	Count Substring	Coding	Mar 28, 2025
Yahoo	Get String	Coding	Mar 28, 2025
Amazon	Max Sum of Non-overlapping Intervals	Coding	Mar 27, 2025
Amazon	Find Min Max Difference	Coding	Mar 27, 2025
Amazon	Get Minimal Cost	Coding	Mar 26, 2025
Microsoft	Freeing Shelves	Coding	Mar 25, 2025
Microsoft	Balance the Game Board	Coding	Mar 25, 2025
Amazon	Make Array Distinct	Coding	Mar 24, 2025
Amazon	Find Least Possible Vulnerability	Coding	Mar 24, 2025
Tesla	Shoe Factory	Coding	Mar 24, 2025
Tesla	Encrypt	Coding	Mar 24, 2025
Fortinet	Beautiful Strings	Coding	Mar 24, 2025
Amazon	Number Of Well Performing Groups	Coding	Mar 23, 2025
Amazon	Ensure Non Zero Load Sum	Coding	Mar 23, 2025
TikTok	Min Adjustment	Coding	Mar 23, 2025
TikTok	Shopping Cost	Coding	Mar 23, 2025
Instacart	Bird Collects Sticks	Coding	Mar 23, 2025
Instacart	Pop Bubbles	Coding	Mar 23, 2025
Instacart	Count Color Pairs	Coding	Mar 23, 2025
Rippling	Maximum Time Required To Transfer Data	Coding	Mar 23, 2025
Amazon	Get Max Increments	Coding	Mar 22, 2025
Amazon	Password Strength	Coding	Mar 22, 2025
Publicis Sapients	Get Min Time	Coding	Mar 22, 2025
Pure Storage	Bakery Quality Control	Coding	Mar 22, 2025
Pure Storage	Find Repetition	Coding	Mar 22, 2025
Pure Storage	Count Different Palindrome Substrings	Coding	Mar 22, 2025
Pure Storage	Racing Results	Coding	Mar 22, 2025
Ramp	Accept or Decline Queries	Coding	Mar 22, 2025
Amazon	Trader Joe Trades	Coding	Mar 21, 2025
Amazon	Optimal Level	Coding	Mar 21, 2025
Amazon	Min Operation	Coding	Mar 21, 2025
Unknown Company	Build Monuments	Coding	Mar 21, 2025
Amazon	All About Rewards	Coding	Mar 20, 2025
Amazon	Compute Least Truck Count	Coding	Mar 20, 2025
Amazon	Inventory Processes Survival Possibility	Coding	Mar 18, 2025
Amazon	All About Medians	Coding	Mar 18, 2025
Amazon	Get Largest Number	Coding	Mar 13, 2025
SpaceX	Speed to Pressure Lookup	Coding	Mar 13, 2025
Amazon	Get The Most Out Of The Data	Coding	Feb 10, 2025
TikTok	Playlist Partitioning	Coding	Feb 09, 2025
TikTok	Change Username	Coding	Feb 09, 2025
Microsoft	Maximize Number Of Produced Cars	Coding	Feb 08, 2025
Microsoft	Minimize Tokens Remaining	Coding	Feb 08, 2025
Amazon	Max Number of Products You can Pick	Coding	Feb 05, 2025
Amazon	Maximize Sum of Array Multiplication	Coding	Feb 05, 2025
Amazon	Sum of Max Subarrys	Coding	Feb 02, 2025
Amazon	Get Maximum	Coding	Feb 02, 2025
Amazon	Count Secured Strings	Coding	Jan 31, 2025
Amazon	Get Min Score	Coding	Jan 25, 2025
Amazon	Equal Products	Coding	Jan 20, 2025
Postman	Design a Collaborative Document Workspace Frontend	System design	Jan 17, 2025
Amazon	Min Operations to Make the Integer Zero	Coding	Jan 15, 2025
Amazon	Find Sum of System Volnerability	Coding	Jan 10, 2025
Amazon	Maximize Product of Sizes of Subtrees	Coding	Jan 09, 2025
Amazon	Min Energy Cost	Coding	Jan 09, 2025
Amazon	Calculate Max Salary	Coding	Jan 09, 2025
Amazon	Optimal Interval Difference	Coding	Jan 08, 2025
Amazon	Get Largest Index Len	Coding	Jan 08, 2025
Amazon	Find Max Value	Coding	Jan 05, 2025
Amazon	Get Max Events	Coding	Jan 05, 2025
Amazon	Discount Events	Coding	Jan 05, 2025
TikTok	TikTok Spam Filter	Coding	Jan 04, 2025
TikTok	Count Twin Pairs	Coding	Jan 04, 2025
Google	Number of Distinct Islands	Coding	Dec 31, 2024
Snowflake	Remove Stones to Minimize the Total	Coding	Dec 28, 2024
Snowflake	Find the Max Len of A Good Subsequence I	Coding	Dec 28, 2024
Microsoft	Sum with Tiles	Coding	Dec 24, 2024
Microsoft	Maximize Sum of Two Non Overlapping Fragments	Coding	Dec 24, 2024
Amazon	Similar Text Substring Count	Coding	Dec 23, 2024
Capital One	Sum Digits Until One	Coding	Dec 23, 2024
IBM	Min Cost	Coding	Dec 23, 2024
IBM	Min Difference	Coding	Dec 23, 2024
IBM	Max Profit	Coding	Dec 23, 2024
Amazon	Max Transfer Rate	Coding	Dec 22, 2024
Amazon	Get Final Location	Coding	Dec 22, 2024
Amazon	Get Number of Redundancy Free	Coding	Dec 22, 2024
Amazon	Get Stable Periods Count	Coding	Dec 22, 2024
Amazon	Maximize Total Memory Points	Coding	Dec 22, 2024
Amazon	Get Min Removals	Coding	Dec 22, 2024
Amazon	Get Relative Ratings	Coding	Dec 22, 2024
Amazon	Min Days to Deliver Parcels	Coding	Dec 22, 2024
Amazon	Calculate Max Profit	Coding	Dec 22, 2024
Google	Max Break Time	Coding	Dec 22, 2024
Microsoft	Three Partition Array	Coding	Dec 22, 2024
Amazon	Min Operations	Coding	Dec 20, 2024
Amazon	Get Max Stability	Coding	Dec 20, 2024
Amazon	Get Max Stability	Coding	Dec 20, 2024
Google	Set Total Palindrome Tranformation Cost	Coding	Dec 20, 2024
Trend Micro	Change Segment Colors	Coding	Dec 20, 2024
Google	Find Optimal Input	Coding	Dec 18, 2024
Google	Calculate Min Satellites Required	Coding	Dec 18, 2024
Amazon	Find Length of Longest Self-Sufficient Proper Substring	Coding	Dec 16, 2024
Uber	Regional Maximum Finder	Coding	Dec 16, 2024
Uber	Command Frequency Counter	Coding	Dec 16, 2024
Uber	Valid String Check	Coding	Dec 16, 2024
Microsoft	Min Replacements Required to Make a Matrix Balanced	Coding	Dec 16, 2024
Microsoft	Max Sum With Same First And Last Digit	Coding	Dec 16, 2024
GitHub	Bridge Car Weight	Coding	Dec 16, 2024
Amazon	Find the longest possible regular expression	Coding	Dec 12, 2024
Amazon	Get Min Value	Coding	Dec 11, 2024
Amazon	Get Max Skill Sum	Coding	Dec 11, 2024
Amazon	Count Distinct Categories	Coding	Dec 11, 2024
Amazon	Find Number	Coding	Dec 10, 2024
Amazon	Get Min Removal	Coding	Dec 10, 2024
JP Morgan	Find Total Cost	Coding	Dec 10, 2024
Microsoft	Max Num Of Prduced Car	Coding	Dec 10, 2024
Amazon	Find Lexicographically Smallest String	Coding	Dec 08, 2024
Amazon	Find Password Strength	Coding	Dec 08, 2024
Amazon	Get Max Sum Arr	Coding	Dec 08, 2024
Amazon	Perform Queries	Coding	Dec 08, 2024
Amazon	Get Min	Coding	Dec 06, 2024
Amazon	Calculate Max Quality Score	Coding	Dec 06, 2024
Quora	Count Powers Of K	Coding	Dec 06, 2024
Quora	Determine the Elimination Order	Coding	Dec 06, 2024
Wells Fargo	Get Min Length	Coding	Dec 06, 2024
Amazon	Data Dependence Sum	Coding	Dec 03, 2024
Amazon	Longest Matching Regex	Coding	Dec 03, 2024
Amazon	Max Efficiency Score	Coding	Dec 03, 2024
Amazon	Min Connection Cost	Coding	Dec 03, 2024
Amazon	Min Operations	Coding	Dec 03, 2024
Amazon	Min Cost	Coding	Dec 03, 2024
TikTok	Interesting Watch Sequence	Coding	Dec 03, 2024
IBM	Get Final String	Coding	Dec 03, 2024
Postman	Design a Multi-Provider Weather Forecast Service	System design	Nov 29, 2024
Amazon	Sum of All Days Numbers on Which the Data of the Xth Will Be Dependent	Coding	Nov 27, 2024
Amazon	Optimize Identifiers	Coding	Nov 25, 2024
Stripe	Card Range Obfuscation Part 4	Coding	Nov 25, 2024
Stripe	Card Range Obfuscation Part 3	Coding	Nov 25, 2024
Stripe	Card Range Obfuscation Part 2	Coding	Nov 25, 2024
Stripe	Card Range Obfuscation Part 1	Coding	Nov 25, 2024
Amazon	Min Insertions	Coding	Nov 24, 2024
Amazon	Find Encrypted Number	Coding	Nov 24, 2024
Amazon	Find Obfuscate Message	Coding	Nov 24, 2024
TikTok	Create Maximum Collaborations	Coding	Nov 24, 2024
TikTok	Maximize Processing Power	Coding	Nov 24, 2024
IBM	Get Query Answers	Coding	Nov 24, 2024
IBM	Card Packs	Coding	Nov 24, 2024
DE Shaw	Choose Max Ratings	Coding	Nov 24, 2024
micro1	Process Messages	Coding	Nov 24, 2024
Amazon	Min Chars to Append	Coding	Nov 23, 2024
Amazon	Buy Volumes	Coding	Nov 23, 2024
Cisco	Find Max Difference	Coding	Nov 21, 2024
Amazon	Reduce Memory Usage	Coding	Nov 20, 2024
Salesforce	Minimize Total Input Cost	Coding	Nov 20, 2024
Google	Get Meeting Intervals	Coding	Nov 20, 2024
Amazon	Count Dominant Substrings	Coding	Nov 18, 2024
Amazon	Get Min Change	Coding	Nov 18, 2024
Amazon	Calculate Truck Distance	Coding	Nov 18, 2024
Amazon	Find Smallest Appealing	Coding	Nov 18, 2024
Rubrik	Get Min Operations	Coding	Nov 18, 2024
Rubrik	Get Triplet Count	Coding	Nov 18, 2024
Rubrik	Find Pod Count	Coding	Nov 18, 2024
Amazon	Find Ideal Days	Coding	Nov 17, 2024
Amazon	Sum of Distinct Categories	Coding	Nov 17, 2024
Amazon	Get Max Throughput	Coding	Nov 17, 2024
TikTok	Calculate Max Processing Throughput	Coding	Nov 17, 2024
TikTok	Get Total Impact	Coding	Nov 17, 2024
TikTok	Max Profits	Coding	Nov 17, 2024
Paypal	Find Min Price	Coding	Nov 17, 2024
Amazon	Get Min Moves	Coding	Nov 14, 2024
Amazon	Minimize Effort	Coding	Nov 14, 2024
Amazon	Find Dominance	Coding	Nov 13, 2024
Amazon	Get Num Perfect Packing	Coding	Nov 13, 2024
Amazon	Get Max Discount Pairs	Coding	Nov 13, 2024
Google	Get Components in Forest	Coding	Nov 13, 2024
Google	Find Max Frequency	Coding	Nov 13, 2024
TikTok	Rearrange Students	Coding	Nov 13, 2024
Microsoft	Reverse An Integer	Coding	Nov 13, 2024
Amazon	Rooks Left	Coding	Nov 12, 2024
Google	Longest Non-Decreasing Subarray	Coding	Nov 12, 2024
Google	Find Maximum Length Of Non-Decreasing Subarray	Coding	Nov 12, 2024
Amazon	Optimize Identifiers	Coding	Nov 09, 2024
Google	Transform String	Coding	Nov 09, 2024
Google	Build Maximum Integer	Coding	Nov 09, 2024
Amazon	Is Special Sequence	Coding	Nov 05, 2024
Google	Maximize Points	Coding	Nov 05, 2024
Google	Find Contiguous Subarray With Largest Min Plux Max	Coding	Nov 05, 2024
Amazon	Find Min Variance	Coding	Oct 30, 2024
Amazon	Count Inaccurate Results	Coding	Oct 30, 2024
Amazon	Find Min Time Required	Coding	Oct 30, 2024
Amazon	Cleanup Dataset	Coding	Oct 30, 2024
Salesforce	Max Sum of Processed Time	Coding	Oct 30, 2024
Google	Min Absolute Sum	Coding	Oct 30, 2024
Google	Num of Ways to Split Array	Coding	Oct 30, 2024
DoorDash	Team Formation	Coding	Oct 30, 2024
DoorDash	Get Final Price	Coding	Oct 30, 2024
IBM	Count Teams	Coding	Oct 30, 2024
Amazon	Find Maximum Packages	Coding	Oct 29, 2024
Amazon	Calculate Warehouse Efficiency	Coding	Oct 28, 2024
Amazon	Make All Elements Distinct	Coding	Oct 28, 2024
Amazon	Maximize Similarity	Coding	Oct 28, 2024
Amazon	Find Networking Calls	Coding	Oct 28, 2024
Amazon	Get Smaller Items	Coding	Oct 22, 2024
Amazon	About Mortgage	Coding	Oct 22, 2024
Amazon	Get Min Cost of Purchasing Books	Coding	Oct 22, 2024
Amazon	Schedule Tasks	Coding	Oct 22, 2024
Walmart	Candy Bars	Coding	Oct 22, 2024
Cisco	Water Jug	Coding	Oct 22, 2024
Paypal	Find Min Price to Spend	Coding	Oct 22, 2024
TikTok	Count Balanced Clilps	Coding	Oct 21, 2024
Patreon	Minimize Computation Time	Coding	Oct 21, 2024
Patreon	Sum of Subarray Regions	Coding	Oct 21, 2024
Amazon	Planning the Campaign	Coding	Oct 20, 2024
TikTok	Server Network Optimizations	Coding	Oct 20, 2024
Amazon	Get Max Programs	Coding	Oct 19, 2024
Amazon	Find Minimum Time	Coding	Oct 19, 2024
Amazon	Get Max Charge	Coding	Oct 11, 2024
Amazon	Min Time to Create Beautiful Canvas	Coding	Oct 11, 2024
Amazon	Rearrange Binary String	Coding	Oct 11, 2024
Amazon	Sort Permutation	Coding	Oct 11, 2024
Wells Fargo	Allocate Wells	Coding	Oct 09, 2024
Wells Fargo	Find Affected Systems	Coding	Oct 09, 2024
Wells Fargo	Max Distance	Coding	Oct 09, 2024
Wells Fargo	Count Operations	Coding	Oct 09, 2024
Wells Fargo	Get Substring	Coding	Oct 09, 2024
Wells Fargo	Sum of Compressed Num for All Subarrays	Coding	Oct 09, 2024
Amazon	Get Longest Substrings	Coding	Oct 08, 2024
Amazon	Get Max Alternating Music	Coding	Oct 08, 2024
Amazon	Maximize Secondary Tasks Scheduled	Coding	Oct 08, 2024
Amazon	Task Scheduler	Coding	Oct 08, 2024
Amazon	Get Min Score	Coding	Oct 08, 2024
TikTok	Max Engagement	Coding	Oct 08, 2024
TikTok	Find Max Squad Size	Coding	Oct 08, 2024
Expedia	Rank Secondary Popularity	Coding	Oct 08, 2024
Expedia	Get Min Steps	Coding	Oct 08, 2024
Oracle	Min Diff	Coding	Oct 07, 2024
Amazon	Special String	Coding	Oct 05, 2024
Cisco	Identify the Non Twin Person	Coding	Oct 04, 2024
Cisco	Rotate the Matrix	Coding	Oct 04, 2024
Expedia	Get Max Efficiency	Coding	Oct 04, 2024
Expedia	Calculate the Sum	Coding	Oct 04, 2024
Rubrik	Enhance Luminescence	Coding	Sep 29, 2024
Rubrik	Maximize Stellar Gradient	Coding	Sep 29, 2024
Rubrik	Salvage Humankind	Coding	Sep 29, 2024
Rubrik	Mike and Gems	Coding	Sep 29, 2024
ZipRecruiter	Fishing	Coding	Sep 29, 2024
Deutsche Bank	Generate Lexicographically Smallest String	Coding	Sep 29, 2024
Squarepoint	Empty Shelf	Coding	Sep 29, 2024
Squarepoint	Suggested Products	Coding	Sep 29, 2024
OpenAI	Maixmize the Hits	Coding	Sep 28, 2024
Amazon	Find Days S2 Subsequence of S1	Coding	Sep 28, 2024
Meta	Min Obstacles to Allow Figure Fall	Coding	Sep 28, 2024
Meta	Find How Many Subarrays Match the Pattern	Coding	Sep 28, 2024
Meta	Count Three Sisters	Coding	Sep 28, 2024
Hudson River Trading	Future Stock Price	Coding	Sep 28, 2024
IBM	Count Similar Pairs	Coding	Sep 28, 2024
IBM	Max Subject Number	Coding	Sep 28, 2024
IBM	Maximum Efficiency	Coding	Sep 28, 2024
Cisco	Pilot Drops Food Packet	Coding	Sep 28, 2024
Wayfair	Num of Divisible Substrings	Coding	Sep 28, 2024
Wayfair	DFS Substring of A String	Coding	Sep 28, 2024
Amazon	Find Subarray with Minimum Distinct Integers	Coding	Sep 27, 2024
IBM	Min Operations to Make All Elements Equal	Coding	Sep 27, 2024
IBM	Get Minimum Operation Count	Coding	Sep 27, 2024
Toshiba	Minimize Multiples of Three	Coding	Sep 27, 2024
Amazon	Maximum Quality Sum	Coding	Sep 26, 2024
Amazon	Minimize Warehouse Transfer Cost	Coding	Sep 26, 2024
Amazon	Find Sum of Beauties	Coding	Sep 26, 2024
Amazon	Longest Perfect Anagrams	Coding	Sep 26, 2024
Amazon	Find Maximum Calories	Coding	Sep 26, 2024
Salesforce	Find Minimum Idleness	Coding	Sep 26, 2024
Salesforce	Get Maximum Sum of Strengths	Coding	Sep 26, 2024
Agoda	Maximize Sum of Processed Times	Coding	Sep 26, 2024
BNP	Piles of Boxes	Coding	Sep 26, 2024
BNP	Romanizer	Coding	Sep 26, 2024
Palantir	Minimize Path Value	Coding	Sep 26, 2024
Palantir	Minimal Operations	Coding	Sep 26, 2024
Amazon	Get Max Sum	Coding	Sep 25, 2024
JP Morgan	Slowest Keys	Coding	Sep 25, 2024
JP Morgan	Get Merged Intervals	Coding	Sep 25, 2024
Akuna	Update Release Scheduler	Coding	Sep 25, 2024
Akuna	Delivery Management System	Coding	Sep 25, 2024
Akuna	Array Challenge	Coding	Sep 25, 2024
Roblox	Valid Pairs	Coding	Sep 25, 2024
Roblox	Schedule Meeting	Coding	Sep 25, 2024
Databricks	Write L Matrix	Coding	Sep 25, 2024
Databricks	Longest Common Prefix of Number Pairs	Coding	Sep 25, 2024
Databricks	Diff Between Sums of Positions	Coding	Sep 25, 2024
Databricks	Subarray Counting	Coding	Sep 25, 2024
IBM	Equalize Team Size	Coding	Sep 25, 2024
IBM	Max Index	Coding	Sep 25, 2024
Arista Networks	Generate Matrix B	Coding	Sep 24, 2024
Salesforce	Closest Subsequence Sum	Coding	Sep 23, 2024
Google	Min Moves	Coding	Sep 23, 2024
Google	Largest Number Possible	Coding	Sep 23, 2024
IBM	Min Operations Required	Coding	Sep 23, 2024
Microsoft	XOR Coloring	Coding	Sep 23, 2024
Microsoft	Count Good Arrays	Coding	Sep 23, 2024
Microsoft	Great Subsequences	Coding	Sep 23, 2024
DE Shaw	Count Incremovable Subarrays	Coding	Sep 23, 2024
TikTok	TikTok Server Optimization	Coding	Sep 21, 2024
TikTok	Tiktok Viral Challenge	Coding	Sep 21, 2024
TikTok	Optimize TikTok Reels Viewing	Coding	Sep 21, 2024
Salesforce	Min Difference	Coding	Sep 20, 2024
Salesforce	Get Node to Remove	Coding	Sep 20, 2024
Salesforce	Min Dev Time	Coding	Sep 20, 2024
Google	Transformation Steps	Coding	Sep 20, 2024
Google	Find Largest Number	Coding	Sep 20, 2024
Hudson River Trading	Count Fancy Numbers	Coding	Sep 20, 2024
TikTok	Get Min Total Cost	Coding	Sep 20, 2024
IBM	Rover Move	Coding	Sep 20, 2024
Goldman Sachs	Get Min Moves	Coding	Sep 20, 2024
Cisco	Find Out Prime or Composite	Coding	Sep 20, 2024
Cisco	Compact List	Coding	Sep 20, 2024
Cisco	Convert Password	Coding	Sep 20, 2024
Codeium	Eric's Sequence	Coding	Sep 20, 2024
Amazon	Maximum Possible Racers	Coding	Sep 19, 2024
Amazon	Calculate Total Distrance Travelled	Coding	Sep 19, 2024
Salesforce	Find All Pairs of Integers	Coding	Sep 19, 2024
Salesforce	Longest Substring	Coding	Sep 19, 2024
Salesforce	Get Min Time	Coding	Sep 19, 2024
Salesforce	Schedule Batch Difference	Coding	Sep 19, 2024
Akuna	Get Probability	Coding	Sep 19, 2024
Stripe	For All Intents And Purposes Part 1 - Initilizing the System	Coding	Sep 19, 2024
Stripe	For All Intents And Purposes Part 2 - Change Is Good!	Coding	Sep 19, 2024
Stripe	For All Intents And Purposes Part 3 - Accepting Failure	Coding	Sep 19, 2024
Stripe	For All Intents And Purposes Part 3 - Timing Matters	Coding	Sep 19, 2024
TikTok	Viral Content Balancer	Coding	Sep 19, 2024
TikTok	Distribute Credits	Coding	Sep 19, 2024
LinkedIn	First Occurence	Coding	Sep 19, 2024
IBM	Process Logs	Coding	Sep 19, 2024
IBM	Is Convertible Data	Coding	Sep 19, 2024
Rubrik	Key Sum Management	Coding	Sep 19, 2024
Rubrik	Unaligned Dedupe	Coding	Sep 19, 2024
Rubrik	Bitonic Partitioning	Coding	Sep 19, 2024
Rubrik	Chain Merge	Coding	Sep 19, 2024
Rubrik	The Oracle	Coding	Sep 19, 2024
Rubrik	Redistribute Megasseds	Coding	Sep 19, 2024
Rubrik	Anti Aging Serum	Coding	Sep 19, 2024
Rubrik	Save the Universe	Coding	Sep 19, 2024
Microsoft	Check Path Presence	Coding	Sep 19, 2024
Oracle	Create Largest Permutation	Coding	Sep 19, 2024
ZipRecruiter	Lamp and Control Points	Coding	Sep 19, 2024
ZipRecruiter	Coder Writing	Coding	Sep 19, 2024
Cisco	Add Numbers	Coding	Sep 19, 2024
Cisco	Expand Given String	Coding	Sep 19, 2024
Cisco	Create New Version	Coding	Sep 19, 2024
BNP	Largest Good	Coding	Sep 19, 2024
Accenture	Smallest Number Greater Thank K	Coding	Sep 19, 2024
FactSet	Last Stone Weight	Coding	Sep 19, 2024
FactSet	Largest Square of Ones	Coding	Sep 19, 2024
FactSet	Phone Album	Coding	Sep 19, 2024
IMC	Max Sub Square Matrix Sum Less Than K	Coding	Sep 19, 2024
ZoloStays	Range Sum	Coding	Sep 19, 2024
ZoloStays	Trapping Rain Water	Coding	Sep 19, 2024
Odoo	Employees Joined per Month	SQL	Sep 17, 2024
Odoo	Evaluate a Python Integer Expression	Coding	Sep 17, 2024
MathWorks	Has Vowels	Coding	Sep 17, 2024
MathWorks	Get Min Operations	Coding	Sep 17, 2024
Odoo	Compare Character Arrays with Backspaces	Coding	Sep 17, 2024
Odoo	Build a Room Booking Single-Page Application	AI coding	Sep 17, 2024
Amazon	Get Outlier Value	Coding	Sep 16, 2024
Blackrock	Calculate Distance	Coding	Sep 16, 2024
Blackrock	Efficient Matching	Coding	Sep 16, 2024
Bloomberg	Consecutive	Coding	Sep 16, 2024
Bloomberg	Count Numbers	Coding	Sep 16, 2024
Bloomberg	Find Longest Chain	Coding	Sep 16, 2024
Bloomberg	Shuffle All the Decks	Coding	Sep 16, 2024
JP Morgan	Get Final String	Coding	Sep 05, 2024
JP Morgan	Min Swaps	Coding	Sep 05, 2024
JP Morgan	Get Max Deletions	Coding	Sep 05, 2024
JP Morgan	Maximum Amount	Coding	Sep 05, 2024
JP Morgan	Count Numbers	Coding	Sep 05, 2024
Google	Optimize Log Files	Coding	Sep 05, 2024
IBM	Maximize Resource Allocation	Coding	Sep 05, 2024
IBM	Find Max Even Sum	Coding	Sep 05, 2024
JP Morgan	Print Without Repeating	Coding	Sep 04, 2024
JP Morgan	Get Unique Character	Coding	Sep 04, 2024
JP Morgan	Get Min Machines	Coding	Sep 04, 2024
JP Morgan	Get Min Cost	Coding	Sep 04, 2024
Uber	Count Segments After House Removals	Coding	Sep 04, 2024
Cisco	Find Largest Sum of Continuous Sequence	Coding	Sep 04, 2024
Cisco	Find Elements Largest in Row Smallest in Column	Coding	Sep 04, 2024
Cisco	Find Palinedrome Sub String	Coding	Sep 04, 2024
Cisco	Find Machine Count	Coding	Sep 04, 2024
Amazon	Distributed Packages	Coding	Sep 03, 2024
Amazon	Get Max Information Gain	Coding	Sep 03, 2024
Amazon	Find Capable Winners	Coding	Sep 03, 2024
Amazon	Find Maximum Zeros	Coding	Sep 03, 2024
TikTok	Sort Social Media Feeds	Coding	Sep 03, 2024
Microsoft	Maximum Number of Moves with Same Result	Coding	Sep 03, 2024
Cisco	Find Min Cost To Shift Machines	Coding	Sep 03, 2024
Cisco	Get Min Servers	Coding	Sep 03, 2024
Deutsche Bank	Give Min Sum	Coding	Sep 03, 2024
Amazon	Get Min Size	Coding	Aug 30, 2024
Salesforce	Get Perfect Pairs Count	Coding	Aug 30, 2024
Salesforce	Minimal Operations	Coding	Aug 30, 2024
JP Morgan	Get Largest Number	Coding	Aug 30, 2024
Uber	Count Elements	Coding	Aug 30, 2024
Uber	Build Blocks and Obstacles	Coding	Aug 30, 2024
Uber	Matrix Transformation	Coding	Aug 30, 2024
Uber	Match Pattern	Coding	Aug 30, 2024
Uber	Character Health	Coding	Aug 30, 2024
Hudson River Trading	Increasing Paths 2	Coding	Aug 30, 2024
Hudson River Trading	Increasing Paths 1	Coding	Aug 30, 2024
TikTok	Secondary Influencer	Coding	Aug 30, 2024
TikTok	Maximize Efficiency Product	Coding	Aug 30, 2024
Microsoft	Min Num Tiles	Coding	Aug 30, 2024
Microsoft	Shortest Possible Length	Coding	Aug 30, 2024
Cisco	Find Mean and Mode	Coding	Aug 30, 2024
Cisco	Count Number with Sum of Digits	Coding	Aug 30, 2024
Cisco	Calculate Mean and Mode	Coding	Aug 30, 2024
Cisco	Find Words in Grid	Coding	Aug 30, 2024
Cisco	Find Last Call	Coding	Aug 30, 2024
Nutanix	Min Cost To Collect All Points	Coding	Aug 30, 2024
Amazon	Calculate Beauty Values	Coding	Aug 28, 2024
Amazon	Min Operations To Make Zeros	Coding	Aug 28, 2024
TikTok	Substrings Without Vowels	Coding	Aug 28, 2024
TikTok	Build URLs	Coding	Aug 28, 2024
IBM	Get Min Cores	Coding	Aug 28, 2024
IBM	Get Smallest String	Coding	Aug 28, 2024
Microsoft	Path In Grid	Coding	Aug 28, 2024
Microsoft	Minimize Difference	Coding	Aug 28, 2024
Microsoft	Product of xor of All Good Pairs	Coding	Aug 28, 2024
DE Shaw	Subarray Removal	Coding	Aug 28, 2024
Cisco	Find Maiximum Number Drop Points Connected	Coding	Aug 28, 2024
Cisco	Longest Palindromic Subarray	Coding	Aug 28, 2024
Cisco	Find Largest Sum Contiguous Subarray	Coding	Aug 28, 2024
Commvault	Count Good Strings	Coding	Aug 28, 2024
Commvault	Num of Good Pairs	Coding	Aug 28, 2024
Sofi	Get Maximum Jobs	Coding	Aug 28, 2024
Zalando	Longest String	Coding	Aug 28, 2024
Zalando	String Manipulation	Coding	Aug 28, 2024
Amazon	Choose Warehouse Location	Coding	Aug 25, 2024
Amazon	Sort Permutation	Coding	Aug 25, 2024
Akuna	Movie Ratings	Coding	Aug 25, 2024
Akuna	Get Max Cost	Coding	Aug 25, 2024
Akuna	Get String	Coding	Aug 25, 2024
TikTok	Min Days to Target Engagement	Coding	Aug 25, 2024
TikTok	Calculate Content Strength	Coding	Aug 25, 2024
Roblox	Make Tower	Coding	Aug 25, 2024
Roblox	Shift Ops	Coding	Aug 25, 2024
Roblox	Find Longest Diagonal Segment	Coding	Aug 25, 2024
Amazon	Minimize Storage Required	Coding	Aug 23, 2024
TikTok	Shared Categories	Coding	Aug 23, 2024
TikTok	Find Min Transitions	Coding	Aug 23, 2024
TikTok	Find Pair with Max GCD	Coding	Aug 23, 2024
Rubrik	Friendship String	Coding	Aug 23, 2024
Rubrik	Doing Smart Work	Coding	Aug 23, 2024
Rubrik	Battle with Upper Moon 6	Coding	Aug 23, 2024
Rubrik	Maximize Happiness	Coding	Aug 23, 2024
MathWorks	Make Arrays Equal	Coding	Aug 23, 2024
Trend Micro	Counting Game	Coding	Aug 23, 2024
Trend Micro	Find Sequences	Coding	Aug 23, 2024
Cvent	Maximize Score	Coding	Aug 23, 2024
Pinterest	Join Sources with Lagged Destination Timestamps	Coding	Aug 21, 2024
Pinterest	Design Merchant Product Catalog Ingestion	System design	Aug 21, 2024
Snowflake	Closest Squared Distance	Coding	Aug 20, 2024
Salesforce	Find Num of Perfect Pairs	Coding	Aug 18, 2024
Salesforce	Least Hours	Coding	Aug 18, 2024
JP Morgan	Choose Fleets	Coding	Aug 18, 2024
JP Morgan	Count Signals	Coding	Aug 18, 2024
Google	Min Num Moves	Coding	Aug 18, 2024
Google	Biggest Number of Digits	Coding	Aug 18, 2024
TikTok	Get Optimal Content Storage	Coding	Aug 18, 2024
Roblox	Find Largest Num Of Pairs	Coding	Aug 18, 2024
Databricks	String Requests	Coding	Aug 18, 2024
Databricks	Diagonal Weights	Coding	Aug 18, 2024
Databricks	Goto Largest Bucket	Coding	Aug 18, 2024
Databricks	Count Triples with Diff	Coding	Aug 18, 2024
IBM	Get Maximum Occurances	Coding	Aug 18, 2024
IBM	Get Min Difference	Coding	Aug 18, 2024
IBM	Max Traffic Time	Coding	Aug 18, 2024
Databricks	Array Manipulation	Coding	Aug 13, 2024
Capital One	Rotate Matrix Over Diagonals	Coding	Aug 12, 2024
Databricks	Advanture to Count Moves	Coding	Aug 12, 2024
Databricks	Cyclic Pairs	Coding	Aug 12, 2024
Databricks	Check Pattern Presence	Coding	Aug 12, 2024
GE Vernova	Find Min Special Value	Coding	Aug 12, 2024
Amazon	Minimize Maximum Parcels	Coding	Aug 11, 2024
Google	Happy Neighbor	Coding	Aug 11, 2024
Amazon	Get Sequence	Coding	Aug 10, 2024
Amazon	Get Maximum Sum	Coding	Aug 10, 2024
TikTok	Exchange Cups	Coding	Aug 10, 2024
TikTok	Eating Candies	Coding	Aug 10, 2024
TikTok	Find Good Subarray	Coding	Aug 10, 2024
TikTok	Card Packets	Coding	Aug 10, 2024
Databricks	Count Pairs	Coding	Aug 10, 2024
Google	Movie Bits to Right	Coding	Aug 08, 2024
Eat Club	Sequence Beauty	Coding	Aug 08, 2024
Eat Club	Grandmaster Choice	Coding	Aug 08, 2024
JP Morgan	Count Teams	Coding	Aug 07, 2024
Uber	Good Ways to Reach a Sum	Coding	Aug 07, 2024
Uber	Count Good Array	Coding	Aug 07, 2024
Uber	Min Right Shifts to Sort An Array	Coding	Aug 07, 2024
Uber	Min Obstacle to Remove	Coding	Aug 07, 2024
Akuna	Movie Marathon	Coding	Aug 07, 2024
Akuna	Min Operations	Coding	Aug 07, 2024
Optiver	Customer Checkout Duration	Coding	Aug 07, 2024
Amazon	Get Num Teams	Coding	Aug 06, 2024
Akuna	Maximize Segregation Cost	Coding	Aug 06, 2024
BNY Mellon	Count Subsequences	Coding	Aug 06, 2024
BNY Mellon	Dig Sum	Coding	Aug 06, 2024
Amazon	Process Queries On Cart	Coding	Aug 05, 2024
Amazon	Assign Tasks	Coding	Aug 05, 2024
Amazon	Get Server ID	Coding	Aug 05, 2024
Amazon	Get Active Requests Count	Coding	Aug 05, 2024
Amazon	Get Operations	Coding	Aug 05, 2024
Salesforce	Count Numbers with Unique Digits	Coding	Aug 05, 2024
Google	Find Max Heart Rate Difference	Coding	Aug 05, 2024
Google	Find Palindromes	Coding	Aug 05, 2024
Google	Binary Palindromic	Coding	Aug 05, 2024
Google	Max Num of Moves with Same Result Sum	Coding	Aug 05, 2024
Google	Divide Tree Nodes	Coding	Aug 05, 2024
Google	Find Consistent Logs	Coding	Aug 05, 2024
Google	Social Meida Friend Recommendation	Coding	Aug 05, 2024
Uber	Calculate Visited Countries	Coding	Aug 05, 2024
Akuna	Maximum Amount of Profit	Coding	Aug 05, 2024
Akuna	Max Meetings	Coding	Aug 05, 2024
Blackrock	Is Happy Number	Coding	Aug 05, 2024
Microsoft	Longest Path	Coding	Aug 05, 2024
Microsoft	Min Order	Coding	Aug 05, 2024
MathWorks	Good Strings	Coding	Aug 05, 2024
MathWorks	Cars Left	Coding	Aug 05, 2024
Epam	Rob House	Coding	Aug 05, 2024
Hyper Verge	Get String to Remove	Coding	Aug 05, 2024
Onix	Get String to Remove	Coding	Aug 05, 2024
SIG	Count Triples	Coding	Aug 05, 2024
Amazon	Get Minimum Boxes	Coding	Jul 25, 2024
IBM	Min Insertion to Balance a Parentheses String	Coding	Jul 25, 2024
Uber	Count L Shapes	Coding	Jul 20, 2024
Uber	Count Elements With At Least One Smaller And One Greater Value	Coding	Jul 20, 2024
Uber	Min Operations To Make Harmonious	Coding	Jul 20, 2024
Snowflake	Get Maximum Sum	Coding	Jul 20, 2024
Jane Street	Transform String	Coding	Jul 20, 2024
Postman	Design Undo Delete for Shared Collections	Low-level design	Jul 19, 2024
Postman	Design Undoable Deletion for API Collections	Low-level design	Jul 19, 2024
Amazon	Get Min Total Distance	Coding	Jul 17, 2024
Hudson River Trading	Buy and Sell Stock	Coding	Jul 17, 2024
DE Shaw	Make Array Bitonic	Coding	Jul 17, 2024
Moveworks	Number of Balanced Strings	Coding	Jul 17, 2024
Moveworks	Min Moves to Sort Array	Coding	Jul 17, 2024
Moveworks	Find Max Number of Strings	Coding	Jul 17, 2024
Moveworks	Min Operations to Sort Array	Coding	Jul 17, 2024
Amazon	Compute Encoded Product Name	Coding	Jul 15, 2024
Amazon	Process Queue	Coding	Jul 15, 2024
Amazon	Get Redundant Substrings	Coding	Jul 15, 2024
Blackrock	Count Levels	Coding	Jul 15, 2024
Pure Storage	Shopping and Billing	Coding	Jul 15, 2024
Salesforce	Least Stressful Path	Coding	Jul 12, 2024
Salesforce	Same Substring	Coding	Jul 12, 2024
Citadel	Get Min Operations	Coding	Jul 11, 2024
JP Morgan	Chess Tourment	Coding	Jul 10, 2024
Citadel	Count Stable Segments	Coding	Jul 10, 2024
Citadel	Find Consistent Logs	Coding	Jul 10, 2024
Citadel	Get Max Throughput	Coding	Jul 10, 2024
Citadel	Get Recommended Friends	Coding	Jul 10, 2024
Goldman Sachs	Alphanumeric Combinations	Coding	Jul 10, 2024
Amazon	Max Consecutive ON Servers	Coding	Jul 09, 2024
Amazon	Get Total Requests	Coding	Jun 27, 2024
Uber	Find Length of Longest Common Prefix	Coding	Jun 27, 2024
Snowflake	Minimum Segment	Coding	Jun 27, 2024
Cisco	Find Critical Nodes	Coding	Jun 27, 2024
Amazon	Maximize Negative Signs	Coding	Jun 24, 2024
Adobe	Determine the Edit Distance in a Word Ladder	Coding	Jun 24, 2024
Flexport	Distinct Moves	Coding	Jun 24, 2024
Flexport	Maximum Edges	Coding	Jun 24, 2024
WeWork	Meeting Room	Coding	Jun 24, 2024
WeWork	Shopping and Billing	Coding	Jun 24, 2024
Salesforce	Count Substrings	Coding	Jun 20, 2024
Salesforce	Count Min Operations to Reduce Dimensions	Coding	Jun 20, 2024
IBM	Min Chairs	Coding	Jun 20, 2024
Microsoft	Get Alphabetically Smallest String	Coding	Jun 20, 2024
Paypal	Modify Array	Coding	Jun 20, 2024
Xperi	Make Numbers Equal	Coding	Jun 20, 2024
Xperi	Count Integer Sequences	Coding	Jun 20, 2024
Amazon	Maximum Stability	Coding	Jun 15, 2024
Amazon	Is Regex Matching	Coding	Jun 15, 2024
Uber	Word Pairs	Coding	Jun 15, 2024
Uber	Bus Time	Coding	Jun 15, 2024
IBM	Find Arrangement	Coding	Jun 15, 2024
Microsoft	Skycraper	Coding	Jun 15, 2024
Microsoft	Min Num Cells	Coding	Jun 15, 2024
Microsoft	Maximum Cells	Coding	Jun 15, 2024
Anduril	Design a Radar Sensor Observation Pipeline	System design	Jun 11, 2024
Amazon	Maximize Subtree Product	Coding	Jun 10, 2024
Amazon	Bring Servers Down	Coding	Jun 10, 2024
Snowflake	Search Strings	Coding	Jun 10, 2024
Amazon	Optimizing Box Weights	Coding	Jun 02, 2024
Amazon	Find K Level Permutation	Coding	Jun 02, 2024
Salesforce	Winning Square	Coding	Jun 02, 2024
Google	Max Subarray Filled with Zeros	Coding	Jun 02, 2024
Google	Find Last Characters	Coding	Jun 02, 2024
Microsoft	Longest Spike	Coding	Jun 02, 2024
Google	Find Min Possible Diameter	Coding	May 31, 2024
Google	Search Suggestions System	Coding	May 25, 2024
Google	Minimum Flips to Alternate Binary String (With K Flip Window)	Coding	May 25, 2024
Google	Generate Pattern Matching Strings	Coding	May 25, 2024
Goldman Sachs	Find the Damaged Toy	Coding	May 25, 2024
Goldman Sachs	Encode or Decode Message	Coding	May 25, 2024
Cisco	Flight Path Package Drop	Coding	May 25, 2024
Amazon	Process Execution	Coding	May 23, 2024
Postman	Encode and Decode a String Stream	Coding	May 17, 2024
Amazon	Get Experience	Coding	May 13, 2024
Uber	Maximize XOR for Each Query	Coding	May 13, 2024
Microsoft	Find Min Num Moves	Coding	May 13, 2024
Flexport	Count Good Subsequence	Coding	May 13, 2024
Flexport	Throw the Ball	Coding	May 13, 2024
DE Shaw	Get Min Cost	Coding	May 10, 2024
DE Shaw	Find Num of Interesting Pairs	Coding	May 10, 2024
Meta	All About Cave	Coding	May 06, 2024
Amazon	Ordered Confirguration	Coding	May 04, 2024
Microsoft	Assign Value	Coding	May 04, 2024
Microsoft	Construct Max Balanced Circle	Coding	May 04, 2024
Microsoft	Find Suitable Locations	Coding	May 04, 2024
Amazon	Find Max Pairs	Coding	May 02, 2024
IBM	Get Optimal String Length	Coding	Apr 27, 2024
DE Shaw	Maximum Size Subarray Sum	Coding	Apr 27, 2024
Nutanix	Minimum Operations to Convert Array	Coding	Apr 27, 2024
Canva	Character Reprogramming	Coding	Apr 27, 2024
Canva	Order Check	Coding	Apr 27, 2024
Canva	Counting Binary Substrings	Coding	Apr 27, 2024
SpaceX	Starlink Beam Planner	Coding	Apr 25, 2024
TikTok	Maximum Shown Segments	Coding	Apr 23, 2024
Snowflake	Airport Limousine	Coding	Apr 22, 2024
Snowflake	Task Master	Coding	Apr 21, 2024
DE Shaw	Calculate Region	Coding	Apr 20, 2024
DE Shaw	Perfect Break	Coding	Apr 19, 2024
JP Morgan	Find Min Cost	Coding	Apr 16, 2024
Microsoft	Min Str without Reapting Chars	Coding	Apr 16, 2024
Microsoft	Frog Game	Coding	Apr 16, 2024
Wayfair	Smash Bricks	Coding	Apr 16, 2024
Wayfair	Validate Magical Binary String	Coding	Apr 16, 2024
Nutanix	No Adjacent Characters	Coding	Apr 16, 2024
Amazon	Find Median Of Subarray Uniqueness	Coding	Apr 15, 2024
Amazon	Max Negation	Coding	Apr 12, 2024
Amazon	Get Min Time	Coding	Apr 12, 2024
Amazon	Kth Smallest in Subarray	Coding	Apr 12, 2024
Amazon	Get K Rep Value	Coding	Apr 12, 2024
Amazon	Get Max Pairs	Coding	Apr 12, 2024
Amazon	Count Pairs	Coding	Apr 12, 2024
JP Morgan	Max Information	Coding	Apr 10, 2024
JP Morgan	Num of Pairs	Coding	Apr 10, 2024
TikTok	Max Engagement	Coding	Apr 10, 2024
MathWorks	Max Operations	Coding	Apr 10, 2024
MathWorks	Max Even Sum Subsequence	Coding	Apr 10, 2024
MathWorks	Find Min Possible Size	Coding	Apr 10, 2024
Amazon	Channel Max Quality	Coding	Apr 09, 2024
Amazon	Num of Idle Robots 🐳	Coding	Apr 08, 2024
Google	Split and Sort	Coding	Apr 08, 2024
Barclays	Mim Steps Required	Coding	Apr 08, 2024
Confluent	Get Best Price	Coding	Apr 08, 2024
Amazon	Find Earliest Month	Coding	Apr 07, 2024
Amazon	Get Max Points from Sprints	Coding	Apr 07, 2024
Amazon	Max Lucky Numbers	Coding	Apr 07, 2024
Amazon	Max Total Area	Coding	Apr 07, 2024
Infosys	Find Num of Good Subsequences	Coding	Apr 07, 2024
Microsoft	Max Sum After Merges	Coding	Apr 07, 2024
Amazon	Minimum Operations to Make Array Elements Zero	Coding	Apr 06, 2024
Amazon	Find Kth Minimum Vulnerability	Coding	Apr 05, 2024
MathWorks	Max Beauty	Coding	Apr 05, 2024
MathWorks	Investable Periods	Coding	Apr 05, 2024
Alarm.com	Arrange Coins	Coding	Apr 05, 2024
Alarm.com	Days Since Last Login	Coding	Apr 05, 2024
Amazon	Max Aggregate Temp Change	Coding	Mar 31, 2024
Google	Min Flips	Coding	Mar 31, 2024
Google	Mnimize Total Time	Coding	Mar 31, 2024
Infosys	Unique Elements After Modification	Coding	Mar 31, 2024
IBM	Latest K Requests	Coding	Mar 31, 2024
Microsoft	Handmade Items	Coding	Mar 31, 2024
Microsoft	Cover Hotels	Coding	Mar 31, 2024
Google	Nearest Value Replacement	Coding	Mar 29, 2024
Amazon	Merge Interval	Coding	Mar 28, 2024
Google	Min Operations	Coding	Mar 28, 2024
SpaceX	Monster Registry	Coding	Mar 28, 2024
Amazon	Maximize Negative PNL Months	Coding	Mar 27, 2024
Amazon	Reduce Gifts	Coding	Mar 27, 2024
Google	Can Fit Word	Coding	Mar 27, 2024
TikTok	Server Investment	Coding	Mar 27, 2024
TikTok	Auth System	Coding	Mar 27, 2024
Salesforce	Plan Cut	Coding	Mar 26, 2024
Google	Is Balanced String	Coding	Mar 26, 2024
Cisco	Check Alphabetical Order	Coding	Mar 26, 2024
Cisco	Find Number	Coding	Mar 26, 2024
Cisco	Longest Palindrome	Coding	Mar 26, 2024
Paypal	Min Operations	Coding	Mar 26, 2024
Paypal	User Logins	Coding	Mar 26, 2024
Uber	Output All Possible Strings	Coding	Mar 25, 2024
Uber	Generate Arrays	Coding	Mar 25, 2024
Uber	Top 2 Teams	Coding	Mar 25, 2024
TikTok	Maximize Consecutive Dance Moves	Coding	Mar 25, 2024
Salesforce	Find Longest Subsequence Common To X As Substring In Y	Coding	Mar 23, 2024
Salesforce	Find Word sNot In Subsequence	Coding	Mar 23, 2024
Salesforce	Tool Changer	Coding	Mar 22, 2024
Google	Find Max Length of Subsequence	Coding	Mar 22, 2024
Trade Desk	Narrative Words	Coding	Mar 21, 2024
Trade Desk	Last to Be Checked	Coding	Mar 21, 2024
Trade Desk	Buddies Greater Than Target	Coding	Mar 21, 2024
Trade Desk	Earn The Most	Coding	Mar 21, 2024
Trade Desk	Light Sources	Coding	Mar 21, 2024
Trade Desk	Flights	Coding	Mar 21, 2024
Trade Desk	Friend List	Coding	Mar 21, 2024
DoorDash	Find Different Value	Coding	Mar 20, 2024
IBM	Elementary School	Coding	Mar 20, 2024
Goldman Sachs	Find Niceness	Coding	Mar 20, 2024
IXL Learning	Card Packets	Coding	Mar 20, 2024
IXL Learning	Count Max	Coding	Mar 20, 2024
IXL Learning	Get Min Difference	Coding	Mar 20, 2024
IXL Learning	Prison	Coding	Mar 20, 2024
Amazon	Count Faults (Faulty Binding 101 😁)	Coding	Mar 19, 2024
Amazon	Find Max Num	Coding	Mar 19, 2024
Wolverine Trading	Count Operations	Coding	Mar 19, 2024
Wolverine Trading	Encode	Coding	Mar 19, 2024
Wolverine Trading	Max Shared	Coding	Mar 19, 2024
Amazon	Minimize Sum of Absolute Differences	Coding	Mar 18, 2024
DoorDash	Adjust Prices	Coding	Mar 18, 2024
Two Sigma	Num to Be Divided by N	Coding	Mar 18, 2024
Two Sigma	Replacing Val	Coding	Mar 18, 2024
Microsoft	Prepare Notification	Coding	Mar 18, 2024
Microsoft	Side Largest Square	Coding	Mar 18, 2024
Microsoft	Str with Longgest Len	Coding	Mar 18, 2024
Geneva Trading	Min Num of Permutation Operations	Coding	Mar 18, 2024
ServiceNow	Max Sum of Balanced Sequence	Coding	Mar 18, 2024
ServiceNow	Find Max Min Val Using K Elements	Coding	Mar 18, 2024
General Motors	Prepare Notification	Coding	Mar 17, 2024
General Motors	Smallest But Greater	Coding	Mar 17, 2024
Microsoft	Cleaning Bot (Microsoft India)	Coding	Mar 16, 2024
Morgan Stanley	Break The Bricks	Coding	Mar 16, 2024
Morgan Stanley	Get Subsequence Count	Coding	Mar 16, 2024
ThoughtSpot	Get Min Time	Coding	Mar 16, 2024
Amazon	Find Overlapping Times	Coding	Mar 15, 2024
Amazon	Match Strings	Coding	Mar 14, 2024
DoorDash	Sizes of Friend Groups	Coding	Mar 14, 2024
TikTok	Minimum Buckets	Coding	Mar 13, 2024
TikTok	URL Hashing	Coding	Mar 13, 2024
TikTok	Three Knights	Coding	Mar 13, 2024
IBM	Arr Subsets	Coding	Mar 13, 2024
IBM	Table of Contents	Coding	Mar 13, 2024
Amazon	Num of Possible Unique Strings	Coding	Mar 12, 2024
Amazon	Find Encrypted Password	Coding	Mar 12, 2024
Amazon	Maximum Number of Balanced Shipments	Coding	Mar 09, 2024
Amazon	Lexicographically Smallest Palindrome Possible	Coding	Mar 09, 2024
Amazon	Find Min Pages Per Day	Coding	Mar 09, 2024
IBM	Get Potential of Winners	Coding	Mar 09, 2024
DE Shaw	Cop	Coding	Mar 09, 2024
Atlassian	Flower Bouquets	Coding	Mar 09, 2024
Atlassian	Better Compression	Coding	Mar 09, 2024
Atlassian	Romanizer	Coding	Mar 09, 2024
Braze	Find Lowest Price	Coding	Mar 09, 2024
Zscaler	Count Signals	Coding	Mar 09, 2024
Zscaler	Count Sentences	Coding	Mar 09, 2024
Google	Largest Lexicographical Substring	Coding	Mar 05, 2024
Google	Maximize Power Values Sum	Coding	Mar 05, 2024
Amazon	Ways to Group Parcels	Coding	Mar 04, 2024
Amazon	Find First Unique	Coding	Mar 04, 2024
Amazon	Get Distinct Pairs	Coding	Mar 04, 2024
IBM	Find Max Distinct Items	Coding	Mar 04, 2024
Amazon	Maxmimum Times Word Removed	Coding	Mar 03, 2024
Amazon	Reverse Binary String	Coding	Mar 02, 2024
Amazon	Increase Solar Powered Light Bulbs	Coding	Mar 02, 2024
Amazon	Return Records	Coding	Mar 02, 2024
Snowflake	Max Freq Substr	Coding	Mar 02, 2024
DE Shaw	Min Operations to Make Array Equal	Coding	Mar 02, 2024
IMC	Find Best Path	Coding	Mar 02, 2024
IMC	Asteroid Game	Coding	Mar 02, 2024
Barclays	Find Maximum Possible GCD	Coding	Mar 02, 2024
Weride	Checking Your Route	Coding	Mar 02, 2024
Amazon	Count Max Greyness	Coding	Mar 01, 2024
Amazon	Find Min Keypad Click Count (also for CN)	Coding	Feb 29, 2024
Infosys	Obtain Max Score Using Min Swaps	Coding	Feb 29, 2024
Intuit	Smart Gardener (Intuit India)	Coding	Feb 29, 2024
Microsoft	Find Array Uniqueness Median	Coding	Feb 29, 2024
Microsoft	Count Similar Substrings	Coding	Feb 29, 2024
Observer.AI	Choose Best Flask	Coding	Feb 29, 2024
Amazon	Find Min Operations	Coding	Feb 28, 2024
Walmart	Longest Good Sequence	Coding	Feb 28, 2024
Meta	Combine Vectors(MLE)	Coding	Feb 28, 2024
Hudson River Trading	Harvest Crops	Coding	Feb 28, 2024
TikTok	Find min Inversions	Coding	Feb 28, 2024
TikTok	Max Len	Coding	Feb 28, 2024
TikTok	Find Min Sum	Coding	Feb 28, 2024
Citadel	Min Equal Sum	Coding	Feb 28, 2024
IBM	Total Execution Time	Coding	Feb 28, 2024
Goldman Sachs	Min Start Value	Coding	Feb 28, 2024
Flexport	Get Expression Sums	Coding	Feb 28, 2024
Flexport	Max Energy	Coding	Feb 28, 2024
Flexport	Get Min Time	Coding	Feb 28, 2024
Flexport	Get Node to Remove	Coding	Feb 28, 2024
Walmart	Min Possible Value	Coding	Feb 24, 2024
Infosys	Extract Cards	Coding	Feb 24, 2024
Snowflake	Meeting Time	Coding	Feb 24, 2024
Snowflake	Max Beautiful Substrings	Coding	Feb 24, 2024
Intuit	Longest Cipher (Intuit India)	Coding	Feb 24, 2024
Intuit	Virus Spread (Intuit India)	Coding	Feb 24, 2024
Intuit	Spreading Fire (Intuit India)	Coding	Feb 24, 2024
Intuit	Jumping Kaday (Intuit India)	Coding	Feb 24, 2024
Intuit	Max Reward (Intuit India)	Coding	Feb 24, 2024
DE Shaw	Max Beauty	Coding	Feb 24, 2024
Weride	Long Break	Coding	Feb 24, 2024
Weride	Meetup Schedule	Coding	Feb 24, 2024
Samsung	Find Hidden Benchmark Value	Coding	Feb 24, 2024
Intuit	Rearranging String	Coding	Feb 22, 2024
Intuit	Letter Candles	Coding	Feb 22, 2024
Intuit	Get Min Difference	Coding	Feb 22, 2024
Microsoft	Maximize Difference	Coding	Feb 22, 2024
JP Morgan	Min Operations	Coding	Feb 21, 2024
JP Morgan	How Many Flips?	Coding	Feb 21, 2024
Roblox	Largest Value of Usage in Minutes	Coding	Feb 21, 2024
Oracle	Min Diff	Coding	Feb 21, 2024
Oracle	Balancing Parentheses	Coding	Feb 21, 2024
Oracle	Last Letters	Coding	Feb 21, 2024
Oracle	Reduction Cost	Coding	Feb 21, 2024
Oracle	Merge Arrays	Coding	Feb 21, 2024
Oracle	Is Power	Coding	Feb 21, 2024
MathWorks	Load Balancing	Coding	Feb 21, 2024
ZipRecruiter	Count Triple	Coding	Feb 21, 2024
ZipRecruiter	Cycle Shift	Coding	Feb 21, 2024
Pure Storage	Find Doubles	Coding	Feb 21, 2024
Palantir	Get Phone Numbers	Coding	Feb 21, 2024
Palantir	Get Largest Number	Coding	Feb 21, 2024
Amazon	Get Max Racers	Coding	Feb 20, 2024
IBM	Get Min Time	Coding	Feb 20, 2024
Oracle	Add Numbers	Coding	Feb 20, 2024
Walleye Capital	Get Min Time	Coding	Feb 20, 2024
Amazon	Get Min Num Moves	Coding	Feb 19, 2024
Amazon	Count Distinct Passwords	Coding	Feb 19, 2024
Citadel	Max the Lottery ID	Coding	Feb 19, 2024
Meta	Search Mysterious Grid	Coding	Feb 18, 2024
Meta	Enumerating Narrative Sections	Coding	Feb 18, 2024
Snowflake	Efficient Deployments	Coding	Feb 18, 2024
Amazon	Fortune Telling	Coding	Feb 17, 2024
Amazon	Max User Traffic	Coding	Feb 17, 2024
Amazon	Find Min Trips	Coding	Feb 17, 2024
Meta	Closest Landmark	Coding	Feb 17, 2024
Google	Min Amplitude	Coding	Feb 16, 2024
Google	Ways to Split a String	Coding	Feb 16, 2024
Google	Maximum Time	Coding	Feb 16, 2024
Google	Min Ab Difference of Server Loads	Coding	Feb 16, 2024
Google	Most Booked Hotel Room	Coding	Feb 16, 2024
Google	Min Number of Chairs	Coding	Feb 16, 2024
Google	Min Days to Bloom	Coding	Feb 16, 2024
Google	Fill Matrix	Coding	Feb 16, 2024
Google	Time to Type a String	Coding	Feb 16, 2024
Google	Decreasing Subsequences	Coding	Feb 16, 2024
Google	Max Distance	Coding	Feb 16, 2024
Google	Stores and Houses	Coding	Feb 16, 2024
Google	Find Min Distance to Furthest Node (Google Tokyo)	Coding	Feb 16, 2024
Google	Pizza Shop (Google Tokyo)	Coding	Feb 16, 2024
Google	Relative Sort (Google Singapore)	Coding	Feb 16, 2024
Amazon	Sort Product Codes	Coding	Feb 15, 2024
Snowflake	Radio waves	Coding	Feb 15, 2024
MathWorks	Count Valid Passwords	Coding	Feb 15, 2024
MathWorks	Get Maximum Reward Points	Coding	Feb 15, 2024
ZipRecruiter	Count Distinct Swappable Digit Pairs	Coding	Feb 15, 2024
ZipRecruiter	Time Travel	Coding	Feb 15, 2024
ZipRecruiter	Exclusive Event Entry	Coding	Feb 15, 2024
ZipRecruiter	Distribute Integers Between Arrays	Coding	Feb 15, 2024
Amazon	Find Recurring Name	Coding	Feb 14, 2024
Amazon	Find Requests In Queue	Coding	Feb 14, 2024
Meta	Buses in a Bustling Town	Coding	Feb 14, 2024
Snowflake	Get Num Ways	Coding	Feb 14, 2024
Snowflake	Find Maximum Number Live Threads	Coding	Feb 14, 2024
TikTok	Maximum Value	Coding	Feb 14, 2024
TikTok	Count Purchases	Coding	Feb 14, 2024
TikTok	Calculate Validity	Coding	Feb 14, 2024
IBM	Validate Requests	Coding	Feb 14, 2024
Oracle	Get Discounted Price	Coding	Feb 14, 2024
Oracle	Cardinality Sort	Coding	Feb 14, 2024
IBM	Find Missing Integers	Coding	Feb 08, 2024
IBM	Merge Arrays	Coding	Feb 08, 2024
Amazon	Find Largest Set of Onion Bags	Coding	Feb 06, 2024
Amazon	Minimum Total Errors	Coding	Feb 06, 2024
Adobe	Get Minimum Operations	Coding	Feb 06, 2024
Twilio	Find Maximum Greatness	Coding	Feb 06, 2024
Twilio	Count Groups	Coding	Feb 06, 2024
Snowflake	Array Reduction Algorithm	Coding	Feb 05, 2024
Snowflake	Count Ways to Color Houses	Coding	Feb 05, 2024
Snowflake	Count Min Characters	Coding	Feb 05, 2024
IBM	Find Y Values	Coding	Feb 05, 2024
IBM	Circles	Coding	Feb 05, 2024
IBM	Get Min Moves	Coding	Feb 05, 2024
Akuna	Min Cost (Akuna Shang Hai)	Coding	Feb 02, 2024
Akuna	Minimum Chunks Required (Akuna Shang Hai)	Coding	Feb 02, 2024
Akuna	Diffierence Calculator (Akuna Shang Hai)	Coding	Feb 02, 2024
Snowflake	Get Max Upgraded Servers	Coding	Feb 02, 2024
Snowflake	Efficient Cost	Coding	Feb 02, 2024
TikTok	Segment Queries	Coding	Feb 02, 2024
TikTok	Minimum Cycles	Coding	Feb 02, 2024
TikTok	Stars and Bars	Coding	Feb 02, 2024
TikTok	Longest OR	Coding	Feb 02, 2024
TikTok	Get Server Index	Coding	Feb 02, 2024
Amazon	Dropped Requests	Coding	Jan 27, 2024
Amazon	Remove Anagrams	Coding	Jan 27, 2024
Amazon	Find Unique Values	Coding	Jan 27, 2024
Amazon	Find Maximum Maxima Count	Coding	Jan 27, 2024
Amazon	Execute Processes	Coding	Jan 27, 2024
Amazon	Number of Suitable Locations	Coding	Jan 27, 2024
Amazon	Group Students	Coding	Jan 27, 2024
Amazon	Get Pairs Count	Coding	Jan 23, 2024
Amazon	Rice Bags	Coding	Jan 13, 2024
Snowflake	Smallest Set Covering Intervals	Coding	Jan 13, 2024
Snowflake	Maximum Order Volume	Coding	Jan 13, 2024
Snowflake	Unequal Elements	Coding	Jan 13, 2024
Citadel	Sepcial Nodes	Coding	Jan 13, 2024
Snowflake	Job Execution	Coding	Jan 12, 2024
Snowflake	Perfect Pairs	Coding	Jan 12, 2024
Snowflake	Cross the Threshold	Coding	Jan 12, 2024
Snowflake	Get Min Cost	Coding	Jan 12, 2024
Snowflake	String Patterns	Coding	Jan 12, 2024
Amazon	Get Discount Pairs	Coding	Jan 11, 2024
Citadel	First Lady of Software	Coding	Jan 11, 2024
Amazon	Get Min Cost Data	Coding	Jan 10, 2024
Citadel	Number of Moves	Coding	Jan 10, 2024
Citadel	Prime Factor Visitation	Coding	Jan 10, 2024
Citadel	Hacker's Team	Coding	Jan 10, 2024
Citadel	Get Maximum Power	Coding	Jan 10, 2024
Citadel	Triplets	Coding	Jan 10, 2024
IBM	Get Responses	Coding	Jan 10, 2024
Goldman Sachs	Compute Parameter Value	Coding	Jan 09, 2024
Goldman Sachs	Max Min	Coding	Jan 09, 2024
Goldman Sachs	Chair Requirements	Coding	Jan 09, 2024
Goldman Sachs	Autocorrect Prototype	Coding	Jan 09, 2024
Goldman Sachs	Do They Belong?	Coding	Jan 09, 2024
Goldman Sachs	Preprocess Dates	Coding	Jan 09, 2024
Goldman Sachs	Compare Strings	Coding	Jan 09, 2024
Goldman Sachs	Plus Mult Array	Coding	Jan 09, 2024
Goldman Sachs	Better Compression	Coding	Jan 09, 2024
Goldman Sachs	Count Palindromes	Coding	Jan 09, 2024
Goldman Sachs	Encircular	Coding	Jan 09, 2024
Goldman Sachs	Project Estimates	Coding	Jan 09, 2024
Goldman Sachs	Cutting Metal Surplux	Coding	Jan 09, 2024
Goldman Sachs	Longest Subarray	Coding	Jan 09, 2024
Amazon	Count Maximum Profitable Groups	Coding	Jan 07, 2024
Amazon	Get Trucks for Items	Coding	Jan 07, 2024
Cisco	Maximum Chocolates from Jars	Coding	Jan 02, 2024
Amazon	Count Games Won By Group1 (AMZ CN)	Coding	Dec 27, 2023
Amazon	Get Min Distance (AMZ CN)	Coding	Dec 27, 2023
IBM	Get Triple Count	Coding	Dec 27, 2023
IBM	Num of Valid Words	Coding	Dec 27, 2023
IBM	Rolling String	Coding	Dec 27, 2023
IBM	Minimize Cost	Coding	Dec 27, 2023
IBM	Dominating X or Pairs	Coding	Dec 27, 2023
IBM	Play Segments	Coding	Dec 24, 2023
IBM	Same Substring	Coding	Dec 24, 2023
IBM	Pth Factor	Coding	Dec 24, 2023
IBM	Get Sequence Sum	Coding	Dec 24, 2023
IBM	Minimum Flips	Coding	Dec 24, 2023
IBM	Num Players	Coding	Dec 24, 2023
IBM	Romanizer	Coding	Dec 24, 2023
IBM	Score Difference	Coding	Dec 24, 2023
IBM	Get Query Results	Coding	Dec 24, 2023
IBM	Get Final Data	Coding	Dec 24, 2023
IBM	Total Efficiency	Coding	Dec 24, 2023
IBM	Secure Password	Coding	Dec 24, 2023
IBM	Hash Ports	Coding	Dec 24, 2023
Amazon	Check Similar Passwords	Coding	Dec 23, 2023
Amazon	Maximum Score in Balanced String	Coding	Dec 23, 2023
Amazon	Location of Data After Transfers	Coding	Dec 23, 2023
Amazon	Get Score Difference	Coding	Dec 19, 2023
Amazon	Get Success Value	Coding	Dec 19, 2023
Amazon	Get Minimum Fruits	Coding	Dec 19, 2023
Amazon	Warehouse Distribution	Coding	Dec 15, 2023
IBM	Stock Maximum Profit	Coding	Dec 14, 2023
IBM	Get Min Machines	Coding	Dec 14, 2023
IBM	Get Min Cost	Coding	Dec 14, 2023
IBM	Get Min Moves	Coding	Dec 14, 2023
Amazon	Erase Pairs	Coding	Dec 13, 2023
Amazon	Cet Maximum Reward Points	Coding	Dec 13, 2023
Amazon	Count Num Ways	Coding	Dec 06, 2023
Amazon	Get Priorities After Execution	Coding	Dec 06, 2023
Amazon	Maximum Book Copies	Coding	Dec 03, 2023
SpaceX	Simplified Time-Based Key-Value Store	Coding	Nov 02, 2023
Amazon	Get Average Standing	Coding	Sep 24, 2023
Amazon	Minimum Time Spent	Coding	Sep 24, 2023
Amazon	Count Max Num Teams	Coding	Sep 24, 2023
Odoo	HTML Elements Single-Tag Correction	Coding	Sep 18, 2023
Amazon	Cet Mean Rank Count	Coding	Aug 31, 2023
Amazon	Count Spikes	Coding	Aug 31, 2023
Amazon	Amazon Review Score	Coding	Aug 31, 2023
Amazon	Get Minimum Costs	Coding	Aug 31, 2023
Amazon	Find Minimum Inefficiency	Coding	Aug 31, 2023
Goldman Sachs	Encryption Valididy	Coding	Aug 31, 2023
Goldman Sachs	Decoding String	Coding	Aug 31, 2023
Goldman Sachs	Is Possible	Coding	Aug 31, 2023
Arcesium	Add Digits	Coding	Aug 30, 2023
Arcesium	Binary Tree Maximum Path Sum	Coding	Aug 30, 2023
Arcesium	Reverse First K Characters in Every 2K Block	Coding	Aug 05, 2023
Arcesium	Detect a Cycle in Directed Hate Relationships	Coding	Aug 05, 2023
Arcesium	Robo Data Sharing Direction	Coding	Jul 17, 2023
Odoo	Maximum Profit from an Increasing Price Triplet	Coding	Jan 24, 2023
Arcesium	Capital Gains Tax from Trades	Coding	Feb 23, 2021
Postman	Configuration System	Coding	Sep 23, 2020
Postman	Large Responses	Coding	Sep 23, 2020
Postman	Minimum Swaps to Sort an Array	Coding	Aug 27, 2020
Postman	Validate IP Address	Coding	Aug 27, 2020
Arcesium	K-th Character in an Infinite String	Coding	Aug 08, 2020
Postman	Design an Authenticated Page Presence Counter	System design	Mar 31, 2020
Postman	Without Whitespaces	Coding	Sep 26, 2019
Postman	Maximum Laptop Rating in a Price Range	Coding	Aug 30, 2019

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