pinterest 的题目

• Trie Autocomplete / Prefix Search
  类型：qbank
• Escape Room / Room-by-Room Race
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• Policy Violation Records Aggregation
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• Put Boxes Into the Warehouse (LC 1564)
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• Sparse Matrix Class (Store / Print / Add / Multiply)
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• Convert BST to Sorted Doubly Linked List (LC 426)
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• Expression Add Operators — Left-to-Right Variant (LC 282)
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• Lighthouse Light Propagation
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• Graph Distance / Connectivity (MLE Phone Variant)
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• Weighted Sampling from Score Distribution
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• New-Grad CodeSignal OA
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• Robot Vacuum 8-Direction Grid
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• Top-K Ads from Log + Sliding-Window Ingest
  类型：qbank
• Newline-Split Stream Reader
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• Regenerate Strings from Run-Length Digit Encoding
  类型：qbank
• Subarray Score ≤ K (Sliding-Window)
  类型：qbank
• Pin / Board Graph Distance
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• Stack Items into the Shortest Column (Min-Heap Load Balancing)
  类型：qbank
• ML Intern OA (CodeSignal: MCQ + NN Forward + Coding + ML Implementations)
  类型：qbank
• Splitwise / Settle Group Balances
  类型：qbank
• Implement round() From String + Round-to-Precision
  类型：qbank
• Hyperparameter Combinations (Cartesian Product)
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• Grant / Revoke / Check Access on Hierarchy
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• Reconstruct Itinerary (LC 332)
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• Binary Search Log Entries by Date String
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• ML System Design: Search & Ranking
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• ML System Design: Notification Ranking & Ads CTR
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• System Design: Personalized Chatbot Recommending Pins
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• System Design: Leaderboard / Category Ranking
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• System Design: Distributed Rate Limiter
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• ML System Design: Bad / Unsafe Content Detection
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• System Design: Bulk + Single Catalog Update
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• System Design: Search Typeahead / Input Suggestions
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• System Design: Ads Event Aggregation / Reporting
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• Behavioral: Leadership, Initiative, Project End-to-End
  类型：qbank
• ML Fundamentals Quick-Fire
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• Compare Two Sets for Equality
  类型：online_judge
• Find the Nearest Eligible Elevator
  类型：online_judge
• Minimum Pins to Exactly Fill a Screen
  类型：online_judge
• Design Search Autocomplete System
  类型：online_judge
• Implement Bootstrap Confidence Interval and Jackknife Standard Error for a Two-Group Metric
  类型：online_judge
• Delete a Subtree in a Parent Array and Compact Deleted Nodes
  类型：online_judge
• Implement an In-Memory Table Join
  类型：online_judge
• Split Array Largest Sum
  类型：online_judge
• Count Unique Pins by Policy and Date Range
  类型：online_judge
• Place Ads Into the Shortest Column
  类型：online_judge
• Settle Group Trip Expenses
  类型：online_judge
• Put Boxes Into the Warehouse - Maximize Total Box Height
  类型：online_judge
• Implement a Sparse Matrix Class (store/print/add/multiply)
  类型：online_judge
• Assign Pins to the Shortest Column (Min-Heap Scheduling)
  类型：online_judge
• Escape Room (Shortest Escape Path in a Room Grid)
  类型：online_judge
• Reconstruct a Queue by Height (Laundry Sorting Variant) + Distance Between Any Two Stations
  类型：online_judge
• Robot Straight-Line Reachable Cells on a 2D Grid with Blockers (8 Directions)
  类型：online_judge
• Pin Connectivity (graph connectivity related to Pins)
  类型：online_judge
• Grant Access (permissions propagation / access control)
  类型：online_judge
• Reconstruct Itinerary (with loop/cycle follow-up)
  类型：online_judge
• Minimize Result by Adding Parentheses to Expression
  类型：online_judge
• Bubble Explosion on a Grid (One Round + Gravity)
  类型：online_judge
• Scooter Hopping on a Number Line (Greedy Simulation)
  类型：online_judge
• 密室逃脱
  类型：online_judge
• Delete Node in a Linked List
  类型：online_judge
• Trip Expense Settlement
  类型：online_judge
• Search Engine Input Suggestions
  类型：online_judge
• Set Equality Verification
  类型：online_judge
• Naive Bayes Implementation
  类型：online_judge
• Logistic Regression Implementation
  类型：online_judge
• Longest Substring with Repeated Character
  类型：online_judge
• Account Balancing
  类型：online_judge
• Class-based String Segmentation
  类型：online_judge
• Round string to specified precision
  类型：online_judge
• Implement custom round function
  类型：online_judge
• Determine Relatedness and Shortest Distance Between Pins
  类型：online_judge
• Minimum Copies of a String
  类型：online_judge
• Check If All Numbers in a Window Are Monotonic
  类型：online_judge
• Violation Log Analyzer
  类型：online_judge
• Find Shortest Path Between Products
  类型：online_judge
• Bus Routes
  类型：online_judge
• Calculate Pin Jumps in Graph
  类型：online_judge
• Escape Room Leaderboard Participant Progress Tracking
  类型：online_judge
• Count Objects in Image Using Recursive Pixel Grouping
  类型：online_judge
• Top K Scored Pins Retrieval by Type Data Structure
  类型：online_judge
• Weighted Job Scheduling for Maximum Profit Without Overlaps
  类型：online_judge