Can you solve this real interview question? Repeated Substring Pattern - Given a string s, check if it can be constructed by taking a substring of it and appending multiple copies of the substring together. Example 1: Input: s = "abab" Output: true
classSolution(object):defrepeatedSubstringPattern(self, s):returnTrueifre.match(r'(\w+)\1+$', s)elseFalse
publicbooleanrepeatedSubstringPattern3(String s){intlen=s.length();if(len <2) {returnfalse; }charlastChar=s.charAt(len-1);intindex=s.indexOf(lastChar);// 思想是: 找到最后一个字符所在的位置,那么如果是pattern,则一定有// len%(index+1)== 0。 那么pattern应该是从0到index位置的子串。while...
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 10000. Example 1: Input: "abab" Output: Tru...
LeetCode 题解之 459. Repeated Substring Pattern 459. Repeated Substring Pattern 题目描述和难度 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。 示例1: 输入:"abab"输出:True解释:可由子字符串 "ab" 重复两次构成。
// LeetCode 2020 easy #850 // 459. Repeated Substring Pattern // https://leetcode.com/problems/repeated-substring-pattern/ // Runtime: 16 ms, faster than 99.47% of C++ online submissions for Repeated Substring Pattern. // Memory Usage: 9.8 MB, less than 5.12% of C++ online submissions...
}returndp[n] && (dp[n] % (n - dp[n]) ==0); } }; 本文转自博客园Grandyang的博客,原文链接:重复子字符串模式[LeetCode] Repeated Substring Pattern,如需转载请自行联系原博主。
来自专栏 · leetcode_python_easy class Solution(object): def repeatedSubstringPattern(self, s): """ :type s: str :rtype: bool """ # 此题需要KMP算法基础 # 直接利用KMP算法的next数组求,但比KMP算法中next数组(又称部分匹配表)多加一位 # 例如长度为5的子串重复4次,那next总长度为21的最后一...
Repeated Substring Pattern 题目 Given a non-empty string check if it can be constructed by taking a substring 91460 leetcode-686-Repeated String Match(重复多少次A能够找到B) 题目描述: Given two strings A and B, find the minimum number of times A has to be repeated such that B is...by ...
Explanation:It'sthe substring"ab"twice. Example 2: Input:"aba"Output:False Example 3: Input:"abcabcabcabc"Output:True Explanation:It'sthe substring"abc"four times.(And the substring"abcabc"twice.) 一开始是没有思路的。。 defrepeatedSubstringPattern2(self,str):""" ...