doordash 的题目

• Code Craft: Dasher Pay
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• AI Code Craft Challenge: Delayed-Delivery Workflow Engine
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• Debugging: Pick Dasher / Round Robin Load Balancer
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• Code Craft: Bootstrap Aggregated API
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• Code Craft: Validate Cart
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• Code Craft: Chef Skill → Dish Profit Assignment
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• Code Craft: Dasher Pay via Mock Service API
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• Code Craft: Hierarchical Path Key-Value Store
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• Code Craft: Basic Calculator (No Parentheses)
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• Code Craft: Batch with Capacity & Time Window (MLE)
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• Menu Tree Diff — Count Changed Nodes
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• Code Craft: Eligible Orders / Neighbor-Check Sweep
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• Code Craft: Common Restaurant Pickup Order (LCS Variant)
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• Code Craft: Generate 5-Minute Day-Time Codes
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• Code Craft: Cart with Promotions (OOD)
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• Code Craft: Nearest Destination on 2D Grid (Multi-Source BFS)
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• Code Craft: Restaurant Delivery Heatmap
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• DE / AE Screen: SQL + Python (Sliding Window + Joins)
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• Frontend VO: Build UI from Mockup with API
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• Code Craft: Similar Restaurant Names (K-Swap Anagram)
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• System Design: 3-Day Donation Service
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• System Design: Food Review System with Reward Bonus
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• System Design: Notification / Alert System
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• ML System Design: Restaurant / Store Recommendation
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• System Design: Realtime Monitoring System
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• System Design: Customer Review Page (EM)
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• DE / AE Onsite: Data Modeling (Fitness App)
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• Hiring Manager Behavioral Round
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• Onsite: Project Deep Dive
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• Onsite: On-Call Case Investigation
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• MLE Onsite: ML Knowledge / Discussion Round
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• Bootstrap API Aggregating User, Payment, and Address Services
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• Build a Local Refund Workflow Service
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• Debug a Random Dasher Picker
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• Implement and Debug a Random Dasher Picker
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• Nearest DashMart
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• Dasher Pay: Calculate Active-Time Payment
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• Refund Workflow Engine on a DAG
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• Order Assignment with Round Robin and Consistent Hashing
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• Dasher Pay with Peak-Hour Multiplier
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• Refund Decision Tree Evaluation
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• Order Batching
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• Dasher Pay
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• Validate Shopping Cart
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• Calculate Dasher Pay With Cancellations and Double-Pay Windows
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• Maximize Total Profit by Assigning Chefs to Dishes
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• Calculate Dasher Pay from Delivered Orders
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• Distance to Nearest Destination on Grid (Including Obstacles)
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• Compute Dasher Daily Payment from Order Events (with Peak Hour Rate Doubling)
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• Debugging a Load Balancer Implementation and Add Round-Robin Routing
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• Code Craft: Aggregate Data from Multiple Mock APIs with Retries and Tests
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• Multi-Source BFS: Nearest Source for Each Cell in a Grid
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• Peak Hour Double Pay
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• Driver Pay With In-Store Waiting (ARRIVED/PICKED_UP is exclusive)
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• Driver Pay From Order Status Timeline (overlapping orders, minute-based)
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• AI Coding: Workflow Engine for Delayed Delivery Refunds + AI-generated Tests
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• Debugging: Dasher Map (HashMap init / NullPointer / key swap bugs)
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• Code Craft: Aggregated Bootstrapper API
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• Max Sum Sliding Window and Return Start Days (1-based)
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• Implement Dasher Pay Calculation (Minute-based, Overlapping Orders)
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• K-Anagram (check if two strings are k-anagrams)
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• Design a Ring Buffer for Consistent Hashing
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• Check if Two Names Are Similar Within at Most Two Swaps
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• Dasher Naive Pay (Active-time pay with overlapping orders)
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• Implement a Flexbox Product Grid from a Mock API to Match a Provided Mockup (Pixel-perfect)
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• String & Dictionary Coding Problem (Details Missing)
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• Bootstrap API: Orchestrate Sequential Calls to Multiple Services With Partial-Failure Handling
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• Minimum Number of Couriers Needed (Meeting Rooms II Variant)
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• Minimum Batches Under Capacity and Time Window
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• Coding Question from Hack2Hire (DoorDash)
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• SQL: Restaurant query (classic)
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• Count Changed Nodes Between Two Menu Trees (Activation/Deactivation/Value Update)
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• Count and Say
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• Calculate Dasher Payment
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• Compute Salary with Peak Hours
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• Dashmart Shortest Path
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• Dasher Pay
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• Design a File System using Trie
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• Longest Common Restaurant List
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• Maximize Dasher Profit
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• Shopping Cart with Promotions
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• Calculate Total Payment for Dasher
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• Calculate Dasher Pay
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• Dasher Pay - Code Craft
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• Dasher Pay Classic Problem
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• Calculate Dasher Pay with Multi Order Rate
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• Dasher Picker
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• Round Robin Router Debugging with Sticky Session
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• Job Scheduler System Design
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• Calculate Dasher Wages with Downstream API Latency
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• Calculate Dasher Payment from Activities
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• Debug Code with API Calls
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• Basic SQL Queries for Orders
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• Course Schedule Problem
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• Maximum Sum between Two Leaf Nodes in Binary Tree
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• Building a Checkout Page
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• Find the Peak Element
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• Generate Date String Every 5 Minutes
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• San Er Jiu
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• Er Ling Si Jiu
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• Design Path Key Value Store
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• Dasher Payment Model
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• Find Similar Restaurant Names
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• Find K Restaurants Matching Prefix
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• Maximum Tree Path Sum
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• Generate Time Intervals for Notifications
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• Secret Santa Assignment
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• Distribute Orders to Dashers
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• Get Bootstrap API
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• Implement Trie (Prefix Tree)
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• Koko Eating Bananas
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• Serialize and Deserialize Binary Tree
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• Update Daily Restaurant Menu
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• Maximum Sum of Surrounding Paths in Matrix
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• Segment Tree Problem
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• Binary Tree Maximum Path Sum with Modified Return
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• Minimum Total Distance to DashMart
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• Simplified Twitter System API and Data Structure Design
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• Menu Tree Structure with Add, Delete, and Update Operations
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• Minimum Replacements to Make Two Strings Anagrams
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• Compute subtree sizes for each node from parent-child pairs
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• Bottom-Up Level Order Traversal of Menu Tree Items
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