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题目描述 Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters for "abcabcbb" is "abc", which the length is 3. For "bbbbb" the longest…
题目描述 Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longest palindromic substring. 即给定一个字符串,求它的最长回文子串的长度(或者最长回文子串). 解法一 对于一个问题,一定可以找到一个傻的可爱的暴力解法,本题的暴力解法即…
Maximum repetition substring Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9458   Accepted: 2915 Description The repetition number of a string is defined as the maximum number R such that the string can be partitioned into R same conse…
Find the length of the longest substring T of a given string (consists of lowercase letters only) such that every character in T appears no less than k times. Example 1: Input: s = "aaabb", k = 3 Output: 3 The longest substring is "aaa"…
public String substring(int beginIndex, int endIndex) 返回一个新字符串,它是此字符串的一个子字符串.该子字符串从指定的 beginIndex 处开始,直到索引 endIndex - 1 处的字符.因此,该子字符串的长度为 endIndex-beginIndex. 示例: "hamburger".substring(4, 8) returns "urge" "smiles".substring(…
1.jquery  data(name) data() 方法向被选元素附加数据,或者从被选元素获取数据. $("#btn1").click(function(){ $("div").data("greeting", "Hello World"); }); $("#btn2").click(function(){ alert($("div").data("greeting&quo…
题目来自 https://leetcode.com/problems/longest-palindromic-substring/ 题目:Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique longest palindromic substring. 给一个字符串…
吐槽-使用清理软件整理电脑要注意,不要清理的"太狠",不然你会受伤的! C#中的Substring() 示例 实现代码 using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks; namespace WindowsDemo{    class Program    {        static void Main(stri…
万恶的输入法,在sublime中会显示出繁体字,各位看官见谅. 1.slice()方法:该方法在数组和string对象中都拥有. var a = [1,2,3,4,5,6]; var s = 'this is a string'; console.log(a.slice(1,3));//結果為 [2,3]; console.log(a.slice(-1);//結果為6; console.log(s.slice(1,3));//結果為 hi; console.log(s);//結果為 this i…
SQL 中的 substring 函数是用来截取一个栏位资料中的其中一部分. 例如,我们需要将字符串'abdcsef'中的'abd'给提取出来,则可用substring 来实现: ,) 结果: 'abd' 括号中数字'1'表示截取的起始位置是从该字符串第一个字符开始,'3'表示截取后得到的字符串长度为3个字符. 这是'substring'最基础的语法,当然,我们的需求有时候会变得比较复杂,例如以下例子: 我们只想要得到'roomno'中的房间号,发现起始字符位置并不是固定的,而且,我们需要的房间…