Longest Palindromic Substring 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. time=255ms accepted 暴力遍历 public String lon
吃过晚饭,再练一题 第五题 function escape(s) { var text = s.replace(/</g, '<').replace(/"/g, '"'); // URLs text = text.replace(/(http:\/\/\S+)/g, '<a href="$1">$1</a>'); // [[img123|Description]] text = text.replace(/\[\[(\w+)\|(
题目难度:Medium 题目: Given an array S of n integers, are there elements a, b, c, and d in S such that a + b + c + d = target? Find all unique quadruplets in the array which gives the sum of target. Note: The solution set must not contain duplicate quadrup
题目: Given an array of integers, return indices of the two numbers such that they add up to a specific target. You may assume that each input would have exactly one solution, and you may not use the same element twice. 翻译: 给定一组整数,两个数字的返回索引,它们的和会等于一个特定
