作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 日期 题目地址:https://leetcode.com/problems/positions-of-large-groups/description/ 题目描述 In a string S of lowercase letters, these letters form consecutive groups of the same characte…

Question 830. Positions of Large Groups Solution 题目大意: 字符串按连续相同字符分组,超过3个就返回首字符和尾字符 思路 : 举例abcdddeeeeaabbbcd end start end-start a 0 0 b 1 0,1 1-0=1 c 2 1,2 2-1=1 d 3 2,3 3-2=1 d 4 3 d 5 3 e 6 3,6 6-3=3 3,5 e 7 6 e 8 6 e 9 6 a 10 6,10 10-6=4 6,9 a 11…

problem 830. Positions of Large Groups solution1: class Solution { public: vector<vector<int>> largeGroupPositions(string S) { vector<vector<int>> res; , end = ; ; i<S.size(); ++i) { ]) end = i; ]) { ) res.push_back({start, end}…

In a string S of lowercase letters, these letters form consecutive groups of the same character. For example, a string like S = "abbxxxxzyy" has the groups "a", "bb", "xxxx", "z" and "yy". Call a…

In a string S of lowercase letters, these letters form consecutive groups of the same character. For example, a string like S = "abbxxxxzyy" has the groups "a", "bb", "xxxx", "z" and "yy". Call a…

In a string S of lowercase letters, these letters form consecutive groups of the same character. For example, a string like S = "abbxxxxzyy" has the groups "a", "bb", "xxxx", "z" and "yy". Call a…

In a string S of lowercase letters, these letters form consecutive groups of the same character. For example, a string like S = "abbxxxxzyy" has the groups "a", "bb", "xxxx", "z" and "yy". Call a…

作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 迭代 递归 日期 [LeetCode] 题目地址:https://leetcode.com/problems/reverse-linked-list/ Total Accepted: 105474 Total Submissions: 267077 Difficulty: Easy 题目描述 Reverse a singly linked list.…

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 递归 日期 题目地址:https://leetcode.com/problems/maximum-binary-tree/description/ 题目描述 Given an integer array with no duplicates. A maximum tree building on this array is defined as fol…

作者: 负雪明烛 id: fuxuemingzhu 个人博客:http://fuxuemingzhu.cn/ 目录 题目描述 题目大意 解题方法 回溯法 循环 日期 题目地址:https://leetcode.com/problems/letter-case-permutation/description/ 题目描述 Given a string S, we can transform every letter individually to be lowercase or uppercase…