551-学生出勤记录 I(Student Attendance Record I) 原文链接: https://leetcode-cn.com/problems/student-attendance-record-i 英文原文You are given a string s representing an attend 2021-12-03 字符串 简单
552-学生出勤记录 II(Student Attendance Record II) 原文链接: https://leetcode-cn.com/problems/student-attendance-record-ii 英文原文An attendance record for a student can be repr 2021-12-03 动态规划 困难
553-最优除法(Optimal Division) 原文链接: https://leetcode-cn.com/problems/optimal-division 英文原文You are given an integer array nums. The adjacent integers 2021-12-03 动态规划数学数组 中等
554-砖墙(Brick Wall) 原文链接: https://leetcode-cn.com/problems/brick-wall 英文原文There is a rectangular brick wall in front of you with n rows of 2021-12-03 哈希表数组 中等
556-下一个更大元素 III(Next Greater Element III) 原文链接: https://leetcode-cn.com/problems/next-greater-element-iii 英文原文Given a positive integer n, find the smallest inte 2021-12-03 双指针字符串数学 中等
560-和为 K 的子数组(Subarray Sum Equals K) 原文链接: https://leetcode-cn.com/problems/subarray-sum-equals-k 英文原文Given an array of integers nums and an integer k, ret 2021-12-03 前缀和哈希表数组 中等
557-反转字符串中的单词 III(Reverse Words in a String III) 原文链接: https://leetcode-cn.com/problems/reverse-words-in-a-string-iii 英文原文Given a string s, reverse the order of charac 2021-12-03 双指针字符串 简单
561-数组拆分 I(Array Partition I) 原文链接: https://leetcode-cn.com/problems/array-partition-i 英文原文Given an integer array nums of 2n integers, group these i 2021-12-03 排序数组计数排序贪心 简单
564-寻找最近的回文数(Find the Closest Palindrome) 原文链接: https://leetcode-cn.com/problems/find-the-closest-palindrome 英文原文Given a string n representing an integer, retur 2021-12-03 字符串数学 困难
563-二叉树的坡度(Binary Tree Tilt) 原文链接: https://leetcode-cn.com/problems/binary-tree-tilt 英文原文Given the root of a binary tree, return the sum of every t 2021-12-03 二叉树树深度优先搜索 简单