VO 特斯拉面试题:Linux 服务吞吐从 1000 rps 掉到 2 rps,如何排查?(性能定位全流程 / Linux 调优清单) An application running on Linux used to process 1000 re…
VO 特斯拉 Tesla 面试题:会议区间是否冲突(Interval Overlap 判断)| 排序 + 贪心 Given an array of meeting time intervals, where each in…
VO 特斯拉 Tesla 面试题:三数之和等于 target(3Sum 扩展版)| 双指针解法 | 去重技巧 Given an array of integers nums and an integer target, …
VO 特斯拉 Tesla 面试题:将整数 n 减到 1 的最少操作次数(贪心 + 位运算最优策略) Given an integer n, you may perform only the following …
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 …
VO Apple面试题 #4有序数组中的两数之和(Sum of Two Numbers in a Sorted Array)——双指针|面试辅助|数组面经 You are given a sorted array of 10 elements.Given a tar…
VO Apple 面试题 #3 修改数组的最小代价(Modify an Array)——算法面试题|面试辅助|数组动态规划|面经 Given an array of integers, the cost to change an eleme…
VO Apple 面试题:任务依赖解析 – 拓扑排序经典题(Apple OA / Apple 面经 / 面试必考) We have a list of tasks. Each task can depend on other …
VO Apple 面试题 #1|SQL:查询参与超过 1 个项目的员工 ID(GROUP BY/HAVING,多表关系)— Apple 面经,数据库题 CoderPad provides a basic SQL sandbox with the followin…
Robinhood Robinhood #2 推荐系统设计:构建前三推荐用户排行榜(Referral Chain + 图结构问题解析) Robinhood is famous for its referral program. It’s exci…
Robinhood Robinhood 面经题 #1 —— 任务调度/定时执行服务设计(系统设计、可靠性、SLA、可观测性) Problem Statement: Build a service/system that can supp…
VO Voleon 面经#6 – 撮合引擎(二):参与率限制 + 委托撮合逻辑(高频交易 Matching Engine) Input (stdin)An order message is a request to trade sha…