688-“马”在棋盘上的概率(Knight Probability in Chessboard) 原文链接: https://leetcode-cn.com/problems/knight-probability-in-chessboard 英文原文On an n x n chessboard, a knight starts at 2021-12-03 动态规划 中等
689-三个无重叠子数组的最大和(Maximum Sum of 3 Non-Overlapping Subarrays) 原文链接: https://leetcode-cn.com/problems/maximum-sum-of-3-non-overlapping-subarrays 英文原文Given an integer array nums and 2021-12-03 动态规划数组 困难
691-贴纸拼词(Stickers to Spell Word) 原文链接: https://leetcode-cn.com/problems/stickers-to-spell-word 英文原文We are given n different types of stickers. Each sti 2021-12-03 位运算动态规划回溯状态压缩 困难
690-员工的重要性(Employee Importance) 原文链接: https://leetcode-cn.com/problems/employee-importance 英文原文You have a data structure of employee information, incl 2021-12-03 哈希表广度优先搜索深度优先搜索 中等
692-前K个高频单词(Top K Frequent Words) 原文链接: https://leetcode-cn.com/problems/top-k-frequent-words 英文原文Given an array of strings words and an integer k, retu 2021-12-03 哈希表堆(优先队列)字典树字符串排序桶排序计数 中等
695-岛屿的最大面积(Max Area of Island) 原文链接: https://leetcode-cn.com/problems/max-area-of-island 英文原文You are given an m x n binary matrix grid. An island is 2021-12-03 并查集广度优先搜索数组深度优先搜索矩阵 中等
696-计数二进制子串(Count Binary Substrings) 原文链接: https://leetcode-cn.com/problems/count-binary-substrings 英文原文Give a binary string s, return the number of non-em 2021-12-03 双指针字符串 简单
697-数组的度(Degree of an Array) 原文链接: https://leetcode-cn.com/problems/degree-of-an-array 英文原文Given a non-empty array of non-negative integers nums, t 2021-12-03 哈希表数组 简单
698-划分为k个相等的子集(Partition to K Equal Sum Subsets) 原文链接: https://leetcode-cn.com/problems/partition-to-k-equal-sum-subsets 英文原文Given an integer array nums and an integer 2021-12-03 位运算动态规划回溯数组状态压缩记忆化搜索 中等
699-掉落的方块(Falling Squares) 原文链接: https://leetcode-cn.com/problems/falling-squares 英文原文There are several squares being dropped onto the X-axis of 2021-12-03 数组有序集合线段树 困难