802-找到最终的安全状态(Find Eventual Safe States) 原文链接: https://leetcode-cn.com/problems/find-eventual-safe-states 英文原文There is a directed graph of n nodes with each no 2021-12-03 图广度优先搜索拓扑排序深度优先搜索 中等
803-打砖块(Bricks Falling When Hit) 原文链接: https://leetcode-cn.com/problems/bricks-falling-when-hit 英文原文You are given an m x n binary grid, where each 1 re 2021-12-03 并查集数组矩阵 困难
805-数组的均值分割(Split Array With Same Average) 原文链接: https://leetcode-cn.com/problems/split-array-with-same-average 英文原文You are given an integer array nums. You sho 2021-12-03 位运算动态规划数学数组状态压缩 困难
804-唯一摩尔斯密码词(Unique Morse Code Words) 原文链接: https://leetcode-cn.com/problems/unique-morse-code-words 英文原文International Morse Code defines a standard encodin 2021-12-03 哈希表字符串数组 简单
807-保持城市天际线(Max Increase to Keep City Skyline) 原文链接: https://leetcode-cn.com/problems/max-increase-to-keep-city-skyline 英文原文There is a city composed of n x n blocks, 2021-12-03 数组矩阵贪心 中等
806-写字符串需要的行数(Number of Lines To Write String) 原文链接: https://leetcode-cn.com/problems/number-of-lines-to-write-string 英文原文You are given a string s of lowercase Engli 2021-12-03 字符串数组 简单
808-分汤(Soup Servings) 原文链接: https://leetcode-cn.com/problems/soup-servings 英文原文There are two types of soup: type A and type B. Initially, we 2021-12-03 动态规划数学概率与统计 中等
809-情感丰富的文字(Expressive Words) 原文链接: https://leetcode-cn.com/problems/expressive-words 英文原文Sometimes people repeat letters to represent extra feeling 2021-12-03 双指针字符串数组 中等
810-黑板异或游戏(Chalkboard XOR Game) 原文链接: https://leetcode-cn.com/problems/chalkboard-xor-game 英文原文You are given an array of integers nums represents the 2021-12-03 位运算博弈数学数组脑筋急转弯 困难
811-子域名访问计数(Subdomain Visit Count) 原文链接: https://leetcode-cn.com/problems/subdomain-visit-count 英文原文A website domain "discuss.leetcode.com" con 2021-12-03 哈希表字符串数组 中等