apple 的题目

• Top K Closest Pairs in a Sorted Array
  类型：qbank
• Design Hit Counter
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• Insert Interval (LC 57)
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• Merge Intervals
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• Alias Group Mapping
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• Subset Sum and All Subsets with Given Sum
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• Binary Tree Vertical Order Traversal
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• Hotel Booking System OOD Coding
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• Valid Sudoku
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• Top K Frequent Elements
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• Happy Number Service
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• Reconstruct Itinerary
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• Shortest Path in a Grid with Obstacle Removal
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• Rotate Image
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• Kubernetes Service Filter & Dependency Chain
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• Odd Even Linked List
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• Bag-of-Words Similarity Search from Scratch
  类型：qbank
• Substring Pattern Matches
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• Valid Palindrome
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• Best Time to Buy and Sell Stock
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• Cheapest Flights Within K Stops
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• Search a 2D Matrix
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• Maximum Apples Before Rot
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• Flood Fill
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• Merge Two Sorted Lists
  类型：qbank
• Bus Route Earliest Arrival
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• Koko Eating Bananas
  类型：qbank
• LRU Cache
  类型：qbank
• Implement TF-IDF from Scratch
  类型：qbank
• Container With Most Water
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• Product of Array Except Self
  类型：qbank
• Merge K Sorted Lists
  类型：qbank
• Longest Mountain in Array
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• Trapping Rain Water
  类型：qbank
• Number of Islands
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• Query Image Similarity Search
  类型：qbank
• Course Schedule
  类型：qbank
• LFU Cache
  类型：qbank
• Best Time to Buy and Sell Stock II
  类型：qbank
• Longest Substring Without Repeating Characters
  类型：qbank
• Bold Words in String
  类型：qbank
• Implement Trie (Prefix Tree)
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• Intersection of Two Linked Lists
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• Kth Largest Element in an Array
  类型：qbank
• Write a Debounce Function
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• Deck Shuffle and Draw OOD
  类型：qbank
• UNet Debugging for Image MLE
  类型：qbank
• Redundant Connection
  类型：qbank
• Decode String
  类型：qbank
• One Edit Distance
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• Dedupe Unsorted Array (Three Variants)
  类型：qbank
• Valid Parentheses
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• Find Median (Oracle Variant)
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• Serialize and Deserialize Binary Tree
  类型：qbank
• Zero Out Duplicates and Sort Without Native Sort
  类型：qbank
• Subarray Sum Equals K
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• Lazy Binary Tree Inorder Iterator
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• Find K Pairs with Smallest Sums
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• Permutations
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• Airplane Seat Reservation API
  类型：qbank
• Group Anagrams
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• Insert Delete GetRandom O(1)
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• Out of Boundary Paths
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• Numbers with No Neighbors
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• Number of Islands II
  类型：qbank
• Online Token Processing, Embeddings, and Classification
  类型：qbank
• Count Value Occurrences in a Binary Tree
  类型：qbank
• Implement an Image Filter
  类型：qbank
• Shortest Bridge (Distance Between Two Islands)
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• Failed Login Log Ranking
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• Weighted Random Load Balancer IP
  类型：qbank
• Transformer Attention Mask and Heads Coding
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• Vectorized K-Means in NumPy or PyTorch
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• Object Storage / Dropbox / S3 Design
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• Large-Scale Media Transfer to ML Compute
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• Log Processing System
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• Design a RAG-Based Chatbot System
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• Design a HashMap
  类型：qbank
• Design ChatGPT
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• Design App Store Search
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• Design a Chat Application
  类型：qbank
• Design News Feed
  类型：qbank
• Design TTL Cache
  类型：qbank
• Apple News Search (No ML)
  类型：qbank
• Design (key, value) Storage with Snapshots
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• Design a Concurrent Image Upload System
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• Distributed Task Scheduler
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• Distributed Rate Limiter with Lua Details
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• Ad Click Aggregator
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• Siri Grounded Response Generation
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• Behavioral Prioritization and Stakeholder Fit
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• ML Fundamentals & Model Debugging Drill
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• ML Systems Codebase Deep Dive
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• OS Fundamentals & Concurrency Drill
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• SystemVerilog DV Constraint & Architecture Loop
  类型：qbank
• Frontend React Screen
  类型：qbank
• Top K Closest Pairs in a Sorted Array
  类型：online_judge
• Implement Hit Counter
  类型：online_judge
• Validate and Aggregate HTTP Access Logs
  类型：online_judge
• Merge Synonym Groups
  类型：online_judge
• Constrain an Increasing Array With Minimum Adjacent Difference
  类型：online_judge
• Constrain Every Five Consecutive Array Elements to Be Unique
  类型：online_judge
• Write a One-Hot SystemVerilog Constraint Without $onehot
  类型：online_judge
• Count Set Bits in a 32-Bit Integer
  类型：online_judge
• Design Task Manager
  类型：online_judge
• Unit Conversion II
  类型：online_judge
• Determine Whether an Undirected Graph Is Bipartite
  类型：online_judge
• Random Country Generator with Population Bias
  类型：online_judge
• All Subsets with a Given Sum
  类型：online_judge
• Subset Sum with Space-Optimized Dynamic Programming
  类型：online_judge
• Valid Sudoku
  类型：online_judge
• Implement Multi-Head Attention Forward Pass
  类型：online_judge
• Top N Frequent Logs
  类型：online_judge
• Choose the Optimal Network Retry Threshold
  类型：online_judge
• Shortest path in a grid (BFS) with blocked/unblocked cells and updates
  类型：online_judge
• Happy number service (sum of squares of digits until reaches 1) + scaling
  类型：online_judge
• Rotate a Matrix by 90 Degrees In Place
  类型：online_judge
• Kubernetes Services: Filtering, Dependency Chain Traversal, and Status Query
  类型：online_judge
• Design a Document Search Class for Word/Phrase Queries
  类型：online_judge
• Highway Toll Fee From Checkpoint Logs
  类型：online_judge
• Earliest Arrival Time with Bus Schedules (Time-Dependent Shortest Path)
  类型：online_judge
• K Smallest Pairs (with Test Cases)
  类型：online_judge
• Implement Self-Attention (Single-Head)
  类型：online_judge
• Nearest Neighbor Image Retrieval by Embedding
  类型：online_judge
• Apply a 2D Box Blur Filter
  类型：online_judge
• Generate All Permutations
  类型：online_judge
• Implement K-Means Clustering with NumPy/PyTorch (Vectorized)
  类型：online_judge
• Check If Two Sentences Differ by Exactly One Edit
  类型：online_judge
• Python Debugging — Fix a Loop Condition Bug
  类型：online_judge
• Tower of Hanoi (Recursion)
  类型：online_judge
• Build a Tree and Perform BFS Traversal
  类型：online_judge
• Best Flight Itinerary Under Budget with Minimal Transfers
  类型：online_judge
• Implement Debounce Function
  类型：online_judge
• Merge Overlapping Intervals
  类型：online_judge
• Validate Palindrome String (Alphanumeric, Case-Insensitive)
  类型：online_judge
• Lazy Inorder Traversal Iterator for a Binary Tree
  类型：online_judge
• Count Continuous Subarrays with Sum Exactly K
  类型：online_judge
• Intersection of Two Linked Lists
  类型：online_judge
• Binary Tree Traversals: BFS and DFS
  类型：online_judge
• Implement Stochastic Gradient Descent to Fit a Line
  类型：online_judge
• Count Occurrences of a Value in a Binary Tree
  类型：online_judge
• Identify Failed Login Attempts and Sort by Frequency
  类型：online_judge
• Write a Bash Script to Process Text Files
  类型：online_judge
• Reverse String Using Stream
  类型：online_judge
• Maximum Subarray
  类型：online_judge
• Rotate a 2D Array by 90 Degrees
  类型：online_judge
• LRU Cache
  类型：online_judge
• Calculate Final Price of Ice Cream Order
  类型：online_judge
• Find First Unique Number in an Array
  类型：online_judge
• Implement an Iterator Interface
  类型：online_judge
• Basic Calculator with Addition and Subtraction
  类型：online_judge
• Find triangles in an image
  类型：online_judge
• Combinatorial Product Selection
  类型：online_judge
• Alien Dictionary
  类型：online_judge
• Maximize Ore Collection with Limited Time
  类型：online_judge
• Vehicle Information System API Implementation
  类型：online_judge
• 实现单例模式
  类型：online_judge
• Shortest Path in 2D Map with Obstacles
  类型：online_judge
• Optimized Search in Trie
  类型：online_judge
• Implement a Synchronous FIFO
  类型：online_judge
• Multithreaded Sum Calculation
  类型：online_judge
• Path Existence Following Slashes in Matrix Directions
  类型：online_judge
• Two Sum Problem: Find Indices of Numbers Adding to Target
  类型：online_judge
• Crafting a Compelling Job Transition and Motivation Response
  类型：online_judge
• Maximum Profit from Stock Trading with at Most K Transactions
  类型：online_judge
• Implement LRU Cache with get and put Operations
  类型：online_judge
• Extract Elements at Odd Indices from Array
  类型：online_judge
• Swap Two Variables Without Using Temporary Variable
  类型：online_judge
• K-Means Clustering: Compute Centroids After N Iterations
  类型：online_judge