算法

地址https://leetcode.com/problems/longest-valid-parentheses/description/题目Given a string containing just the characters '(' and '...

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地址https://hihocoder.com/problemset/problem/1718题目时间限制:10000ms单点时限:1000ms内存限制:256MB描述给定一个由N个元素组成的序列： A1, A2, ... AN，请你找出其中最长的子序列...

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地址https://hihocoder.com/problemset/problem/1717题目时间限制:10000ms单点时限:1000ms内存限制:256MB描述我们定义第一代hiho字符串是"h"。第N代hiho字符串是由第N-1代hiho字符串...

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地址https://leetcode.com/problems/substring-with-concatenation-of-all-words/description/题目You are given a string, s, and a list o...

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地址https://leetcode.com/problems/reverse-nodes-in-k-group/description/题目Given a linked list, reverse the nodes of a linked list ...

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