Define S = [s,n] as the string S which consists of n connected strings s. For example, ["abc", 3] ="abcabcabc". On the other hand, we define that string s1 can be obtained from string s2 if we can remove some characters from s2 such th…

https://leetcode.com/problems/count-the-repetitions/description/ 找循环节 https://www.cnblogs.com/grandyang/p/6149294.html…

Leetcode 466 直接给出DP方程 dp[i][k]=dp[i][k-1]+dp[(i+dp[i][k-1])%len1][k-1]; dp[i][k]表示从字符串s1的第i位开始匹配2^k个s2串需要的长度 最后通过一个循环 累积最多可以匹配多少个s2串 除以n2下取整就是答案 用倍增加速后 总的复杂度nlogn 而本题的n非常小 轻松AC 体会到倍增的魅力了吧. const int maxn=100+1,INF=1e+9; long long int dp[maxn][30]; cl…

Define S = [s,n] as the string S which consists of n connected strings s. For example, ["abc", 3] ="abcabcabc". On the other hand, we define that string s1 can be obtained from string s2 if we can remove some characters from s2 such th…

Define S = [s,n] as the string S which consists of n connected strings s. For example, ["abc", 3] ="abcabcabc". On the other hand, we define that string s1 can be obtained from string s2 if we can remove some characters from s2 such th…

题意 5702 Count The Repetitions 0x50「动态规划」例题 描述 定义 conn(s,n) 为 n 个字符串 s 首尾相接形成的字符串,例如: conn("abc",2)="abcabc" 称字符串 a 能由字符串 b 生成,当且仅当从字符串 b 中删除某些字符后可以得到字符串 a.例如"abdbec"可以生成"abc",但是"acbbe"不能生成"abc".…

目录 LeetCode 字符串专题 <c++> \([5]\) Longest Palindromic Substring \([28]\) Implement strStr() [\(49\)] Group Anagrams LeetCode 字符串专题 <c++> \([5]\) Longest Palindromic Substring 最长回文子串 \([28]\) Implement strStr() 要求实现c++中strstr()函数. 解法一:暴力 时间复杂度 \(…

[leetcode 字符串处理]Compare Version Numbers @author:wepon @blog:http://blog.csdn.net/u012162613 1.题目 Compare two version numbers version1 and version1. If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0. You may assume…

[LeetCode]222. Count Complete Tree Nodes 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.me/ 题目地址:https://leetcode.com/problems/count-complete-tree-nodes/description/ 题目描述: Given a complete binary tree, count the n…

Define S = [s,n] as the string S which consists of n connected strings s. For example, ["abc", 3] ="abcabcabc". On the other hand, we define that string s1 can be obtained from string s2 if we can remove some characters from s2 such th…