databricks 的题目

• KV Store With Rolling QPS
  类型：qbank
• Multi-Threaded Log Writer
  类型：qbank
• Optimal Commute Grid
  类型：qbank
• IP / CIDR Firewall
  类型：qbank
• RLE + Bit-Packing Encoder / Decoder
  类型：qbank
• Generalized Tic-Tac-Toe
  类型：qbank
• Snapshot Set / MVCC Iterator
  类型：qbank
• Fibonacci Tree Path
  类型：qbank
• Lazy Array
  类型：qbank
• Anagrammed indexOf
  类型：qbank
• String Pattern Partition
  类型：qbank
• Cipher Cover Interval Editing
  类型：qbank
• SQL Query Plan Optimizer
  类型：qbank
• Maximal Square and Rectangle in Binary Matrix
  类型：qbank
• House Robber Series
  类型：qbank
• Implement Circuit Breaker Pattern
  类型：qbank
• Multi-Threaded Chat System
  类型：qbank
• Revenue Tracking System with Referrals
  类型：qbank
• File Encryption Tree Optimization
  类型：qbank
• Uniformly Connect Node Groups
  类型：qbank
• Linear Regression Gradient Descent
  类型：qbank
• Chat system similar to Slack
  类型：qbank
• In-Memory KV Cache With WAL
  类型：qbank
• Book Seller External Fan-Out
  类型：qbank
• Distributed File System
  类型：qbank
• Harmful Content Detection ML Design
  类型：qbank
• Stock Trading Agent Service
  类型：qbank
• Job Scheduler With Dependencies
  类型：qbank
• Design a Network Throttling System
  类型：qbank
• Design an Ad Marketplace System
  类型：qbank
• Payment Gateway System
  类型：qbank
• Design an Autonomous Vehicle Ride-Hailing App (Waymo-like)
  类型：qbank
• Collaborative Playlist Design
  类型：qbank
• Senior FDE Recruiter Screen
  类型：qbank
• SWE Behavioral Round
  类型：qbank
• IP Firewall Rule Matching
  类型：online_judge
• Design an API QPS Counter
  类型：online_judge
• Generalized Tic-Tac-Toe
  类型：online_judge
• KV Store with Sliding-Window Average Latency
  类型：online_judge
• Find the First Anagram Substring
  类型：online_judge
• Design Tic-Tac-Toe
  类型：online_judge
• Design a Snapshot Set Iterator
  类型：online_judge
• Design Generalized Tic-Tac-Toe
  类型：online_judge
• Snapshot Set Iterator
  类型：online_judge
• Group Anagrams
  类型：online_judge
• Customer Revenue System with Referrals and Top K Query
  类型：online_judge
• Shortest Path in a Preorder-Labeled Fibonacci Tree
  类型：online_judge
• Shortest Path in a Fibonacci Tree
  类型：online_judge
• Optimal Commute
  类型：online_judge
• IP CIDR Range Query
  类型：online_judge
• File Encryption Tree Optimization
  类型：online_judge
• Snapshot Set Iterator
  类型：online_judge
• String Index Partition Mapping (Minimum Partitions after Deletion)
  类型：online_judge
• Grid BFS: choose best travel mode by shortest time then lowest cost
  类型：online_judge
• Uniformly sample edges to connect n connected components into one connected graph
  类型：online_judge
• Grid pathfinding with time & cost optimality (BFS / shortest path variant)
  类型：online_judge
• Implement Gradient Descent for Linear Regression (MSE) and debug convergence
  类型：online_judge
• Remove an interval by index and simplify (merge) cover intervals
  类型：online_judge
• Implement Linear Regression with Gradient Descent from Scratch
  类型：online_judge
• Design and Implement a Lazy Array with Testable Laziness
  类型：online_judge
• KV Cache with Hit Count
  类型：online_judge
• Fastest Transportation Mode in a Grid (Time-first, Cost-tiebreak)
  类型：online_judge
• Design an In-Memory KV Store with a Hit Counter
  类型：online_judge
• Implement a Lazy Array (Deferred Evaluation)
  类型：online_judge
• Reconstruct a Binary Tree from Inorder Traversal (Follow-up)
  类型：online_judge
• Construct a Fibonacci Tree and Analyze Time Complexity
  类型：online_judge
• Top-5 Most Similar Rows Using MSE Across Multiple Features
  类型：online_judge
• Path Between Two Preorder-Indexed Nodes in a Fibonacci Tree (Without Building the Tree)
  类型：online_judge
• Lazy Array (Lazy Evaluation) with Unit Tests
  类型：online_judge
• In-memory KV Cache with Hit Count and Unit Tests
  类型：online_judge
• Snapshot Set with Stable Iterators
  类型：online_judge
• Ordered CIDR Firewall Rules Match (First Hit Wins)
  类型：online_judge
• Check Whether a Binary Tree Is a Fibonacci Tree in O(h) Time
  类型：online_judge
• In-Memory File System APIs
  类型：online_judge
• Lazy Array (Delayed Evaluation Array)
  类型：online_judge
• Best Commute to Databricks HQ (Grid + Mode Constraints + Time/Cost Tie-break)
  类型：online_judge
• Bottom-K Customers by Revenue (with Nested Revenue Follow-up)
  类型：online_judge
• TicTacToe
  类型：online_judge
• CIDR
  类型：online_judge
• Hit Counter
  类型：online_judge
• Fibonacci Tree Two Nodes Path (Preorder Index)
  类型：online_judge
• Deserialize a Binary Tree
  类型：online_judge
• Find Shortest Path in a Grid
  类型：online_judge
• In-memory KV Store - Calculate AVG LOAD TIME
  类型：online_judge
• Design Key Value Class with Average Operations
  类型：online_judge
• Find First CIDR Covering an IP
  类型：online_judge
• Tic Tac Toe with Custom Conditions and AI Simulation
  类型：online_judge
• Find Optimal Commute
  类型：online_judge
• SQL for Data Analysis
  类型：online_judge
• Find All Possible Permutations
  类型：online_judge
• Implement a ConcurrentHashMap and Understand its Thread-Safety
  类型：online_judge
• Max Area of Island
  类型：online_judge
• Implement an Authentication Class
  类型：online_judge
• Revenue Calculation
  类型：online_judge
• Space-Efficient Versioned Set Snapshot Design
  类型：online_judge
• Impactful Project Experience: Goals, Role, Challenges, Outcomes
  类型：online_judge
• Book Purchase Service with Multi-Store Price Aggregation
  类型：online_judge
• Customizable MxN Tic Tac Toe Game with Win Detection
  类型：online_judge
• High-Performance QPS Counter with Sliding Time Window
  类型：online_judge
• IP Whitelisting Using CIDR Rules Validator
  类型：online_judge
• Multi-Source Book Price Fetching and Purchase Decision System
  类型：online_judge