Tiktok - VO Prep - Page 4

TikTok OA 面试真题解析：并发、存储、文件系统与图算法

OA TikTok OA 面试真题解析：并发、存储、文件系统与图算法

1. Handling High Concurrency in Web Server Your web server at TikTok needs to handle a high number of concurrent connections efficiently. Which server a…

TikTok OA 面试真题解析：Cache Eviction Policies | LRU / FIFO 缓存策略

OA TikTok OA 面试真题解析：Cache Eviction Policies | LRU / FIFO 缓存策略

Implement the Least Recently Used (LRU) and First In First Out (FIFO) cache eviction policies, respectively. Pick ONE OR MORE options. // LRU cache = Li…

TikTok OA 面试真题解析：Course Schedule 拓扑排序 / 课程安排

OA TikTok OA 面试真题解析：Course Schedule 拓扑排序 / 课程安排

Course Schedule You now have numCourses courses that need to be taken, labeled from 0 to numCourses – 1 . You are given an array prerequisites , where p…

TikTok OA 面试题解析：Inventory Management 与 Transactions

OA TikTok OA 面试题解析：Inventory Management 与 Transactions

1. Inventory Management In a Dynamics 365 Finance and Operations (F&O) environment, a company has difficulties managing its inventory efficiently. T…

TikTok OA 面试真题解析：网格中任意 A 到任意 B 的最短距离

OA TikTok OA 面试真题解析：网格中任意 A 到任意 B 的最短距离

Given a grid, there are A ‘s, B ‘s, and 0 ‘s. Find the shortest distance between any A and any B . You can move in the four directions: up, down, left,…

TikTok OA 面试真题解析：Adding Connections 图论并查集

OA TikTok OA 面试真题解析：Adding Connections 图论并查集

6. Adding Connections In a TikTok-like social media platform, users are either verified or unverified. Unverified users cannot interact with each other…

TikTok 面试真题解析：最频繁子树和（Most Frequent Subtree Sum）｜二叉树 DFS 统计题

Tiktok TikTok 面试真题解析：最频繁子树和（Most Frequent Subtree Sum）｜二叉树 DFS 统计题

TikTok Interview Question: Most Frequent Subtree Sum in…

TikTok 面试真题解析：设计内存文件系统（In-Memory File System）｜路径结构与数据结构设计题

Tiktok TikTok 面试真题解析：设计内存文件系统（In-Memory File System）｜路径结构与数据结构设计题

Design a data structure that simulates an in-memory fil…

TikTok 面试真题解析：最大乘积子数组（Maximum Product Subarray）｜负数翻转核心思维

Tiktok TikTok 面试真题解析：最大乘积子数组（Maximum Product Subarray）｜负数翻转核心思维

Problem: Maximum Product Subarray Given an integer arra…

TikTok 面试真题解析：区间是否冲突（Can Attend All Intervals）｜重叠判断基础题

Tiktok TikTok 面试真题解析：区间是否冲突（Can Attend All Intervals）｜重叠判断基础题

TikTok is hosting a livestream event with popular creat…

TikTok 面试真题解析：最大子数组和（Maximum Subarray / Kadane）｜线性 DP 经典题

Tiktok TikTok 面试真题解析：最大子数组和（Maximum Subarray / Kadane）｜线性 DP 经典题

Maximum SubarrayGiven an integer array nums[], find the…

TikTok 面试真题解析：柱状图最大矩形面积（Largest Rectangle in Histogram）｜单调栈高频题

Tiktok TikTok 面试真题解析：柱状图最大矩形面积（Largest Rectangle in Histogram）｜单调栈高频题

TikTok Interview Question: Largest Rectangle in Histogr…

TikTok 面试真题解析：由前序和中序遍历推出后序遍历（Preorder + Inorder → Postorder）｜二叉树重建思维题

Tiktok TikTok 面试真题解析：由前序和中序遍历推出后序遍历（Preorder + Inorder → Postorder）｜二叉树重建思维题

TikTok Interview Question: Return Postorder Traversal f…

TikTok 面试真题解析：一维下标转多维坐标（Flatten Index → Coordinates）｜数组与索引映射基础题

Tiktok TikTok 面试真题解析：一维下标转多维坐标（Flatten Index → Coordinates）｜数组与索引映射基础题

Given shape D: [d0, d1, d2, … dm-1] and a 1-d index, …

TikTok 面试真题解析：最短好子数组长度（至少包含 k 个不同整数）｜滑动窗口经典题

Tiktok TikTok 面试真题解析：最短好子数组长度（至少包含 k 个不同整数）｜滑动窗口经典题

For an array of n positive integers arr[n] and an integ…

TikTok 面试真题解析：岛屿数量（Number of Islands）｜二维网格 DFS/BFS 高频题

Tiktok TikTok 面试真题解析：岛屿数量（Number of Islands）｜二维网格 DFS/BFS 高频题

Given an m x n 2D binary grid grid which represents a m…

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

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 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

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 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

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 面试题 #5 —— 判断字符串是否为回文｜tiktok 面经｜面试辅助精选

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…

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