813-最大平均值和的分组(Largest Sum of Averages) 原文链接: https://leetcode-cn.com/problems/largest-sum-of-averages 英文原文You are given an integer array nums and an integer 2021-12-03 动态规划数组 中等
814-二叉树剪枝(Binary Tree Pruning) 原文链接: https://leetcode-cn.com/problems/binary-tree-pruning 英文原文Given the root of a binary tree, return the same tree w 2021-12-03 二叉树树深度优先搜索 中等
815-公交路线(Bus Routes) 原文链接: https://leetcode-cn.com/problems/bus-routes 英文原文You are given an array routes representing bus routes where rout 2021-12-03 哈希表广度优先搜索数组 困难
816-模糊坐标(Ambiguous Coordinates) 原文链接: https://leetcode-cn.com/problems/ambiguous-coordinates 英文原文We had some 2-dimensional coordinates, like "(1, 2021-12-03 回溯字符串 中等
817-链表组件(Linked List Components) 原文链接: https://leetcode-cn.com/problems/linked-list-components 英文原文You are given the head of a linked list containing u 2021-12-03 哈希表链表 中等
818-赛车(Race Car) 原文链接: https://leetcode-cn.com/problems/race-car 英文原文Your car starts at position 0 and speed +1 on an infinite number l 2021-12-03 动态规划 困难
819-最常见的单词(Most Common Word) 原文链接: https://leetcode-cn.com/problems/most-common-word 英文原文Given a string paragraph and a string array of the banned 2021-12-03 哈希表字符串 简单
707-设计链表(Design Linked List) 原文链接: https://leetcode-cn.com/problems/design-linked-list 英文原文Design your implementation of the linked list. You can c 2021-12-03 设计链表 中等
820-单词的压缩编码(Short Encoding of Words) 原文链接: https://leetcode-cn.com/problems/short-encoding-of-words 英文原文A valid encoding of an array of words is any refere 2021-12-03 哈希表字典树字符串数组 中等
821-字符的最短距离(Shortest Distance to a Character) 原文链接: https://leetcode-cn.com/problems/shortest-distance-to-a-character 英文原文Given a string s and a character c that oc 2021-12-03 双指针字符串数组 简单