Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exceed 100…

Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exceed 100…

459. 重复的子字符串 459. Repeated Substring Pattern 题目描述 给定一个非空的字符串,判断它是否可以由它的一个子串重复多次构成.给定的字符串只含有小写英文字母,并且长度不超过 10000. LeetCode459. Repeated Substring Pattern 示例 1: 输入: "abab" 输出: True 解释: 可由子字符串 "ab" 重复两次构成. 示例 2: 输入: "aba" 输出: Fa…

459. Repeated Substring Pattern Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only an…

459. Repeated Substring Pattern Easy Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters on…

459. Repeated Substring Pattern[easy] Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters o…

https://leetcode.com/problems/repeated-substring-pattern/#/description Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consis…

Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exceed 100…

这是悦乐书的第236次更新,第249篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第103题(顺位题号是459).给定非空字符串检查是否可以通过获取它的子字符串并将子字符串的多个副本附加在一起来构造它. 您可以假设给定的字符串仅由小写英文字母组成,其长度不超过10000.例如: 输入:"abab" 输出:true 说明:它是子串"ab"两次. 输入:"aba" 输出:false 输入:"abcabcabca…

Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exceed 100…

Problem: Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not e…

Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exceed 100…

复习一下KMP算法 KMP的主要思想是利用字符串自身的前缀后缀的对称性,来构建next数组,从而实现用接近O(N)的时间复杂度完成字符串的匹配 对于一个字符串str,next[j] = k 表示满足str[0...k-1] = str[j-k...j-1]的最大的k,即对于子串str[0...j-1],前k个字母等于后k个字母 现在求解str的next数组: 初始化:next[0] = -1 那么在知道了next[j]的情况下,如何递推地求出next[j+1]呢?分两种情况(令k=next[j]…

问题 该文章的最新版本已迁移至个人博客[比特飞],单击链接 https://www.byteflying.com/archives/3945 访问. 给定一个非空的字符串,判断它是否可以由它的一个子串重复多次构成.给定的字符串只含有小写英文字母,并且长度不超过10000. 输入: "abab" 输出: True 解释: 可由子字符串 "ab" 重复两次构成. 输入: "aba" 输出: False 输入: "abcabcabcabc&q…

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 遍历子串 日期 [LeetCode] 题目地址:https://leetcode.com/problems/repeated-substring-pattern/ Difficulty: Easy 题目描述 Given a non-empty string check if it can be constructed by taking a subs…

Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exceed 100…

题目 题目链接 Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not ex…

Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exceed 100…

Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exceed 100…

［抄题］: Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will not exce…

Description Given a non-empty string check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. You may assume the given string consists of lowercase English letters only and its length will no…

给定一个非空的字符串,判断它是否可以由它的一个子串重复多次构成.给定的字符串只含有小写英文字母,并且长度不超过10000.示例 1:输入: "abab"输出: True解释: 可由子字符串 "ab" 重复两次构成. 示例 2:输入: "aba"输出: False 示例 3:输入: "abcabcabcabc"输出: True解释: 可由子字符串 "abc" 重复四次构成. (或者子字符串 "abc…

给定一个非空的字符串,判断它是否可以由它的一个子串重复多次构成.给定的字符串只含有小写英文字母,并且长度不超过10000. 示例 1: 输入: "abab" 输出: True 解释: 可由子字符串 "ab" 重复两次构成. 示例 2: 输入: "aba" 输出: False 示例 3: 输入: "abcabcabcabc" 输出: True 解释: 可由子字符串 "abc" 重复四次构成. (或者子字符串…

Given two strings A and B, find the minimum number of times A has to be repeated such that B is a substring of it. If no such solution, return -1. For example, with A = "abcd" and B = "cdabcdab". Return 3, because by repeating A three…

LeetCode 3_Longest Substring Without Repeating Characters 题目描写叙述: 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&quo…

Longest Repeated Substring Time Limit: 5000ms Memory Limit: 32768KB This problem will be judged on ZJU. Original ID: 319964-bit integer IO format: %lld      Java class name: Main   Write a program that takes a string and returns length of the longest…

Given a pattern and a string str, find if str follows the same pattern. Here follow means a full match, such that there is a bijection between a letter in pattern and a non-empty word in str. Example 1: Input: pattern = "abba", str = "dog c…

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"…

题目链接: https://leetcode.com/problems/substring-with-concatenation-of-all-words/?tab=Description   在字符串s中找到包含字符串数组words所有子串连续组合的起始下标(words中的子串排列顺序前后不计但是需要相连在s中不能存在其他字符)     参考代码 :   package leetcode_50; import java.util.ArrayList; import java.util.Arra…

原题链接在这里:https://leetcode.com/problems/repeated-string-match/description/ 题目: Given two strings A and B, find the minimum number of times A has to be repeated such that B is a substring of it. If no such solution, return -1. For example, with A = "abc…