1854-人口最多的年份(Maximum Population Year) 原文链接: https://leetcode-cn.com/problems/maximum-population-year 英文原文You are given a 2D integer array logs where each lo 2021-12-03 数组计数 简单
1855-下标对中的最大距离(Maximum Distance Between a Pair of Values) 原文链接: https://leetcode-cn.com/problems/maximum-distance-between-a-pair-of-values 英文原文You are given two non-increasing 2021-12-03 二分查找双指针数组贪心 中等
1856-子数组最小乘积的最大值(Maximum Subarray Min-Product) 原文链接: https://leetcode-cn.com/problems/maximum-subarray-min-product 英文原文The min-product of an array is equal to the mi 2021-12-03 前缀和单调栈数组栈 中等
1857-有向图中最大颜色值(Largest Color Value in a Directed Graph) 原文链接: https://leetcode-cn.com/problems/largest-color-value-in-a-directed-graph 英文原文There is a directed graph of n colo 2021-12-03 动态规划哈希表图拓扑排序计数记忆化搜索 困难
1876-长度为三且各字符不同的子字符串(Substrings of Size Three with Distinct Characters) 原文链接: https://leetcode-cn.com/problems/substrings-of-size-three-with-distinct-characters 英文原文A string is good if there 2021-12-03 哈希表字符串滑动窗口计数 简单
1877-数组中最大数对和的最小值(Minimize Maximum Pair Sum in Array) 原文链接: https://leetcode-cn.com/problems/minimize-maximum-pair-sum-in-array 英文原文The pair sum of a pair (a,b) is equal to 2021-12-03 双指针排序数组贪心 中等
1879-两个数组最小的异或值之和(Minimum XOR Sum of Two Arrays) 原文链接: https://leetcode-cn.com/problems/minimum-xor-sum-of-two-arrays 英文原文You are given two integer arrays nums1 and nu 2021-12-03 位运算动态规划数组状态压缩 困难
1863-找出所有子集的异或总和再求和(Sum of All Subset XOR Totals) 原文链接: https://leetcode-cn.com/problems/sum-of-all-subset-xor-totals 英文原文The XOR total of an array is defined as the bi 2021-12-03 位运算回溯数学数组组合数学 简单
1864-构成交替字符串需要的最小交换次数(Minimum Number of Swaps to Make the Binary String Alternating) 原文链接: https://leetcode-cn.com/problems/minimum-number-of-swaps-to-make-the-binary-string-alternating 英文原文Given a binar 2021-12-03 字符串贪心 中等
1865-找出和为指定值的下标对(Finding Pairs With a Certain Sum) 原文链接: https://leetcode-cn.com/problems/finding-pairs-with-a-certain-sum 英文原文You are given two integer arrays nums1 and 2021-12-03 哈希表数组设计 中等