1401-圆和矩形是否有重叠(Circle and Rectangle Overlapping) 原文链接: https://leetcode-cn.com/problems/circle-and-rectangle-overlapping 英文原文Given a circle represented as (radius, x_c 2021-12-03 几何数学 中等
1400-构造 K 个回文字符串(Construct K Palindrome Strings) 原文链接: https://leetcode-cn.com/problems/construct-k-palindrome-strings 英文原文Given a string s and an integer k. You shoul 2021-12-03 哈希表字符串计数贪心 中等
1402-做菜顺序(Reducing Dishes) 原文链接: https://leetcode-cn.com/problems/reducing-dishes 英文原文A chef has collected data on the satisfaction level of his 2021-12-03 动态规划排序数组贪心 困难
1391-检查网格中是否存在有效路径(Check if There is a Valid Path in a Grid) 原文链接: https://leetcode-cn.com/problems/check-if-there-is-a-valid-path-in-a-grid 英文原文Given a m x n grid. Each cell of t 2021-12-03 并查集广度优先搜索数组深度优先搜索矩阵 中等
1392-最长快乐前缀(Longest Happy Prefix) 原文链接: https://leetcode-cn.com/problems/longest-happy-prefix 英文原文A string is called a happy prefix if is a non-empty pr 2021-12-03 哈希函数字符串字符串匹配滚动哈希 困难
1394-找出数组中的幸运数(Find Lucky Integer in an Array) 原文链接: https://leetcode-cn.com/problems/find-lucky-integer-in-an-array 英文原文Given an array of integers arr, a lucky inte 2021-12-03 哈希表数组计数 简单
1395-统计作战单位数(Count Number of Teams) 原文链接: https://leetcode-cn.com/problems/count-number-of-teams 英文原文There are n soldiers standing in a line. Each soldier 2021-12-03 动态规划数组树状数组 中等
1396-设计地铁系统(Design Underground System) 原文链接: https://leetcode-cn.com/problems/design-underground-system 英文原文An underground railway system is keeping track of 2021-12-03 哈希表字符串设计 中等
1397-找到所有好字符串(Find All Good Strings) 原文链接: https://leetcode-cn.com/problems/find-all-good-strings 英文原文Given the strings s1 and s2 of size n and the string 2021-12-03 动态规划字符串字符串匹配 困难
1413-逐步求和得到正数的最小值(Minimum Value to Get Positive Step by Step Sum) 原文链接: https://leetcode-cn.com/problems/minimum-value-to-get-positive-step-by-step-sum 英文原文Given an array of integers&n 2021-12-03 前缀和数组 简单