C Code: #include<stdio.h>#include<string.h>// Function to find the length of the longest substring without repeating charactersinttest(char*str,intn){intlongest_str_len=1;// Length of the longest substringintcurrent_substr_len=1;// Length of the current substringintprevious_index,i;// V...
We can improve the above code by moving the palindrome and longest lengths check into a different function. However, I have left that part for you. :) Please let me know if there are any other better implementations or if it fails in any case....
Substring, also called factor, is a consecutive sequence of characters occurrences at least once in a string. Now your task is simple, for two given strings, find the length of the longest common substring of them. Here common substring means a substring of two or more strings. 输入格式 The...
// Longest Palindromic Substring// 备忘录法,会超时// 时间复杂度O(n^2),空间复杂度O(n^2)publicclassSolution{privatefinalHashMap<Pair,String>cache=newHashMap<>();publicStringlongestPalindrome(finalStrings){cache.clear();returncachedLongestPalindrome(s,0,s.length()-1);}StringlongestPalindrome(final...
Given a string s, find the longest palindromic(回文) substring in sS. You may assume that the maximum length of s is 1000, and there exists one unique longest palindromic substring. 推荐解法3,直观,有效,好理解 方法一:暴力搜索(O(N³)) ...
Given a string S, find the longest palindromic substring in S. 题义很明细:求一个字符串S中的最长回文! 基本想法: for-loop i从0 – (n-1)遍历该字符串,从S[i] 或者 S[i+1]开始,向字符串S的两侧展开,判断是不是回文。如果是,再和当前的最长回文比较,如果更长,则替换当前最长的回文。 代码如下...
The longest substring is "ababb", as 'a' is repeated 2 times and 'b' is repeated 3 times. 这道题给了我们一个字符串s和一个正整数k,让求一个最大子字符串并且每个字符必须至少出现k次。作为 LeetCode 第三次编程比赛的压轴题目,博主再一次没有做出来,虽然难度标识只是 Medium。后来在网上膜拜学习...
5. 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. Example 1: 代码语言:javascript 代码运行次数:0 运行 AI代码解释 Input: "babad" Output: "bab" Note: "aba" is also a valid answer. Example...
Given "pwwkew", the answer is "wke", with the length of 3. Note that the answer must be a substring, "pwke" is a subsequence and not a substring. */ public class Solution { public static int lengthOfLongestSubstring(String s) { ...
Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000. Example 1: Input: "babad" Output: "bab" Note: "aba" is also a valid answer. Example 2: Input: "cbbd" Output: "bb" 题意: 给一个字符串s,找到最长回文串,回文串...