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kmp.cpp
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#include<cstdio>
#include<iostream>
#include<string>
#include<cstdlib>
#include<algorithm>
#include<sstream>
#include<limits.h>
#include<list>
#include<queue>
#include<map>
#define Max 1000000
using namespace std;
int b[Max];
void kmpPreProcess(string P)
{
int m = P.length();
int i = 0, j = -1; b[0] = -1;
while(i < m)
{
while(j >= 0 && P[i] != P[j])
j = b[j];
i++; j++;
b[i] = j;
}
}
int kmpSearch(string P, string T)
{
vector<int> found;
int m = P.length();
int n = T.length();
int i = 0, j = 0;
while(i < n)
{
while(j >= 0 && T[i] != P[j])
j = b[j];
i++; j++;
if(j == m)
{
//printf("index %d\n", i-j);
found.push_back(i-j);
j = b[j];
}
}
return found[found.size() - 2];
}
int main()
{
string s;
while(true)
{
cin >> s;
if(s == ".")
break;
kmpPreProcess(s);
int last = kmpSearch(s, s+s);
int rez = s.length() / (s.length() - last);
cout << rez << endl;
}
return 0;
}