waymo 的题目

• Hand-Write K-Means Clustering (NumPy)
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• House Robber II (LC 213)
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• Regular Expression Matching (LC 10)
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• Number of Visible People in a Queue (LC 1944)
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• Shortest Distance from All Buildings
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• Merge Object Histories Across Two Tracking Systems
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• Build an Arithmetic Expression to Reach a Target
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• Race Car: Minimum Instructions to Reach a Target
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• Implement Max Pooling with Argmax Coordinates
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• OO Design: Continuous Time Intervals from Two Timestamp Signal Streams
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• Validate a Forest from (parent, child) Edges
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• Android Phone Screen: Build a Pickup Screen in Jetpack Compose
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• ML Coding: Debug a NumPy / Tensor Framework
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• Contains Duplicate III (Bucket Sort)
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• Decode String with `(group){k}` Repeat Syntax
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• Hashmap + Prefix Sum Subarray Round
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• Universal Direction Sequence for an Unknown-Position Robot in a Maze
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• Count Same-Color Squares in an Unbounded Grid
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• Randomly Populate Grid with Connected Equal-Size Token Regions
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• Shortest Path from Source to Target Nodes (Dijkstra)
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• Serialize Arithmetic Expression Tree with Minimum Parentheses
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• Maximum-Area Axis-Aligned Rectangle from a Coordinate Set
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• Chess Piece Shortest Path on a Fixed Board
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• Battleship Board (React, Frontend Onsite)
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• Prefix Autocomplete via Trie
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• Car Maze with Incrementally Revealed Neighbors (DFS)
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• Sort a Quadratic-Transformed Sorted Array
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• Waymo Passenger Pickup Scheduler (OO Design)
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• Run-Length Encoded String: Find by Index and Range Max
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• Sort Target String by Custom Order
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• Rectangle Copy Inside a 2-D Array with O(1) Memory
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• LED Digit Display Invariant Under 180° Rotation
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• Implement a Rate Limiter
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• Two-Column Table: Place Divider to Minimize Total Height
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• Sparse Matrix Left- and Right-Multiply Vector
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• Process Raw CSV for Downstream Consumers
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• Streaming Interval Coverage on a Number Axis
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• Design a Global Cache for Small Images
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• ML System Design: Inference Serving with Back-of-Envelope Capacity Planning
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• System Design: Elevator Operation Logic
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• System Design: Simulation Log Collection and Result Aggregation
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• ML System Design: Choose Passenger Drop-off Location
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• System Design: Evaluation System with Human + LLM Evaluators
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• System Design: Evaluate a Self-Driving Model End-to-End
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• System Design: Parking Lot + Robotaxi Dispatch
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• ML System Design: Behavior Prediction from Sensor + Camera Data
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• L5+ Behavioral: Policy vs Efficiency Trade-offs & Leadership
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• Project Deep-Dive + ML Fundamentals Discussion
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• SWE Resume Deep Dive: Technologies and Outcome Metrics
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• Data Fluency: Self-Driving Progress Metrics & Experiment Comparison
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• Employee Hierarchy FTE Score and Capacity-Constrained Insertion
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• Count Frequencies in a Bounded Integer Array
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• A/B Test P-Value for Time to Pickup
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• Average Function
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• Retention Rating Analysis
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• Low Frequency Users by City
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• Monthly Ride Aggregation
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• Inactive User Analysis
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• Object Tracker with Cross-System Identity Links
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• Shortest Distance from All Buildings
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• Count Axis-Aligned Squares Formed by Intersecting Vertical and Horizontal Segments
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• Autocomplete Search Bar with Debounce
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• Filter an N-ary Tree and Render It with Indentation
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• Count Fertile Pyramids in a Land
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• Gas Station
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• Build an Expression with +, -, * and Parentheses to Reach Target
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• Minimum Number of Refueling Stops
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• Max Pooling with Argmax Coordinates
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• Predict the Winner
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• Find Continuous Time Intervals Satisfying Two Timestamp-Based Signals
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• Debugging Numerical/Tensor API Bugs: Aliasing, Axis Handling, and Truncation
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• Randomly Generate a Fully-Populated Grid with 4 Equal-Size Connected Components
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• Count Same-Color Squares in a Grid
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• Maximum Area Axis-Aligned Rectangle From Points
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• Minimum travel path for a pen-plotter to draw given strokes
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• Parse CSV String Into a Usable Data Structure (with Corruption Handling)
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• Reachability / Jump Game Variant (Backtracking)
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• Prefix Word Search Data Structure (Trie Autocomplete)
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• Count Super Streaks From Event Logs (with optional user_id follow-up)
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• Minimum Index Distance Between 1 and 2
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• Graph Search via Diagram Explanation — Round 3
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• Unknown LeetCode (Graph-related) — Round 1
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• Implement a Fibonacci Generator
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• ETA Between Two Nodes in a Semantic Map Graph
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• Count Elements in an Array
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• K-means Clustering Implementation
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• Ping Pong Game Simulation
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• System Design - Ego Behavior Prediction Model
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• Design a Bingo Card
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• Serialize and Deserialize Binary Tree with Character Values
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• Task Scheduling with Deadline
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• Python DataClass: Implement Basic Key-Value Store with Get/Set
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