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…
VO Voleon 面试题 #4 —— 限价单撮合引擎(订单簿匹配 | 高频交易 | 量化交易 面经 | 一亩三分地) You have been tasked with creating an exchange where tr…
VO Voleon 面试题 #3 —— Kac Ring 模拟器(量化/算法模拟 | Voleon 面经 | OA) A Kac ring is a dynamical system defined as follows: Pa…
VO Voleon 面试题 #2 —— 交易所数据流模拟:print / volume-check / order(量化面经|HFT|撮合与风控) The program reads the input line by line from stdin.Eac…
VO Voleon 面试题 #1 —— 最少开机覆盖滑雪道(贪心/区间覆盖)– voleon 面经 – VO 辅助 —— 代面试 Ski season is approaching! You work at a ski resort and…
Tiktok TikTok 面试题 #8 —— 设计 O(1) 插入/删除/查找/随机取数的数据结构|哈希表+动态数组|tiktok 面经|面试辅助 Problem (verbatim) Design a data structure that support…
Tiktok TikTok 面试题 #7 —— 连续子数组求和是否等于 K|滑动窗口|tiktok 面经|面试辅助 Given an array of positive integers nums and an integer…
Tiktok TikTok 面试题 #6 —— 前缀构造最短回文串|tiktok 面经|前缀回文|面试辅助精选 You are given a string s.You can convert s to a palindr…
Tiktok TikTok 面试题 #5 —— 判断字符串是否为回文|tiktok 面经|面试辅助精选 Given a string s, return true if it is a palindrome, or…