题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=3746 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Problem Description CC always becomes very depressed at the end of this month, he has checked his credit card yesterd…
Power Strings Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 33178 Accepted: 13792 Description Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "…
//len-next[len]为最小循环节的长度 # include <stdio.h> # include <algorithm> # include <string.h> using namespace std; int len; char a[100010]; int next[100010]; void Getnext() { int i=0,j=-1; next[0]=-1; while(i<=len) { if(j==-1||a[i]==a[j]) i…
题目链接:http://poj.org/problem?id=2406 Time Limit: 3000MS Memory Limit: 65536K Description Given two strings a and b we define a*b to be their concatenation. For example, if a = "abc" and b = "def" then a*b = "abcdef". If we thi…
Period Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 13511 Accepted: 6368 Description For each prefix of a given string S with N characters (each character has an ASCII code between 97 and 126, inclusive), we want to know whether the…
