Doordash DoorDash VO 面试题解析:二叉树中两“存活”节点间的最大路径和(树形 DP / 后序 DFS) Part A — Leaves are the only“alive”nodes You are given …
Doordash DoorDash VO 面试题解析:最近同轴城市(closestStraightCity|哈希表 + 排序|曼哈顿距离) You are given n cities on a Cartesian plane.For each ci…
Doordash DoorDash VO 面试题解析:最大可用信用额度(时间区间重叠 / 扫描线 / 区间调度) Many companies provide their employees time-limited Doo…
Doordash DoorDash VO 面试题解析:相邻餐厅多单派给同一 Dasher(二维网格最长“非递减时间”路径 / DP / 图搜索) DoorDash optimizes Dasher efficiency by stacking orders…
Doordash DoorDash VO 面试题解析:Dasher 最小负载容量(Binary Search + 贪心分配) You are given a 0-indexed integer array representing th…
Doordash DoorDash VO 面试题解析:计算最近 DashMart 的距离(二维网格 BFS / 最短路径) You are given a 2D grid representing a city map.Each ce…
Doordash DoorDash VO 面试题解析:负载均衡 Debug 与一致性哈希设计(分布式系统 / 后端高频面试题) You are a Backend Engineer at DoorDash and notice that …
Doordash DoorDash VO 面试题解析:带父指针的二叉树最近公共祖先(LCA 树结构高频题)- 一亩三分地 – 代面试 – VO 辅助 You are given a binary tree where every node contains: …
Doordash DoorDash 面试题解析:Top K 高频元素题(频次统计 / 堆 / HashMap 高频考点) Problem Statement You are given an integer array. Your …