核心提示：PeriodKMP 啊 错位部分是一个循环节啊#includeiostream#includestring#includestdio.husing namespace std;string s;int...
Period
KMP 啊 错位部分是一个循环节啊
#include<iostream>
#include<string>
#include<stdio.h>
using namespace std;
string s;
int n;
int next[1000010];
void getnext()
{
int min =1;
int x;
int k=-1,j=0;
next[0]=-1;
while(j<n)
{
if(k==-1||s[j]==s[k])
{
j++;
k++;
next[j]=k;
if(j%(j-k)==0&&j/(j-k)>1)
printf("%d %d\n",j,j/(j-k));
}
else
k=next[k];
}
}
int main()
{
int cnt =1;
while(cin>>n,n)
{
cin>>s;
printf("Test case #%d\n",cnt++);
getnext();
puts("");
}
return 0;
}
