1948-删除系统中的重复文件夹(Delete Duplicate Folders in System) 原文链接: https://leetcode-cn.com/problems/delete-duplicate-folders-in-system 英文原文Due to a bug, there are many duplicate f 2021-12-03 哈希函数哈希表字典树字符串数组 困难
1958-检查操作是否合法(Check if Move is Legal) 原文链接: https://leetcode-cn.com/problems/check-if-move-is-legal 英文原文You are given a 0-indexed 8 x 8 grid board, where bo 2021-12-03 数组枚举矩阵 中等
1952-三除数(Three Divisors) 原文链接: https://leetcode-cn.com/problems/three-divisors 英文原文Given an integer n, return true if n has exactly three posit 2021-12-03 数学 简单
1953-你可以工作的最大周数(Maximum Number of Weeks for Which You Can Work) 原文链接: https://leetcode-cn.com/problems/maximum-number-of-weeks-for-which-you-can-work 英文原文There are n projects numbere 2021-12-03 数组贪心 中等
1955-统计特殊子序列的数目(Count Number of Special Subsequences) 原文链接: https://leetcode-cn.com/problems/count-number-of-special-subsequences 英文原文A sequence is special if it consists o 2021-12-03 动态规划数组 困难
1968-构造元素不等于两相邻元素平均值的数组(Array With Elements Not Equal to Average of Neighbors) 原文链接: https://leetcode-cn.com/problems/array-with-elements-not-equal-to-average-of-neighbors 英文原文You are given a 0-ind 2021-12-03 排序数组贪心 中等
1974-使用特殊打字机键入单词的最少时间(Minimum Time to Type Word Using Special Typewriter) 原文链接: https://leetcode-cn.com/problems/minimum-time-to-type-word-using-special-typewriter 英文原文There is a special typew 2021-12-03 字符串贪心 简单
1975-最大方阵和(Maximum Matrix Sum) 原文链接: https://leetcode-cn.com/problems/maximum-matrix-sum 英文原文You are given an n x n integer matrix. You can do the fo 2021-12-03 数组矩阵贪心 中等
1976-到达目的地的方案数(Number of Ways to Arrive at Destination) 原文链接: https://leetcode-cn.com/problems/number-of-ways-to-arrive-at-destination 英文原文You are in a city that consists of 2021-12-03 动态规划图拓扑排序最短路 中等
1977-划分数字的方案数(Number of Ways to Separate Numbers) 原文链接: https://leetcode-cn.com/problems/number-of-ways-to-separate-numbers 英文原文You wrote down many positive integers in 2021-12-03 动态规划后缀数组字符串 困难