Cod sursa(job #2066521)
| Utilizator | Data | 15 noiembrie 2017 08:41:33 | |
|---|---|---|---|
| Problema | Prefix | Scor | 70 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 1.27 kb |
#include <iostream>
#include <cstdio>
#include <string>
#include <vector>
using namespace std;
string text;
vector <int> lp;
int l;
int main()
{
freopen("prefix.in","r",stdin);
freopen("prefix.out","w",stdout);
int n;
scanf("%d\n", &n);
while(n--)
{
lp.push_back(0);
getline(cin,text);
l=text.length();
int j=0;
for(int i=1;i<l;i++)
{
if(text[j]==text[i])
lp.push_back(++j);
else
{
j--;
while(j>=0)
{
j=lp[j];
if(text[j]==text[i])
{
lp.push_back(++j);
break;
}
else
j--;
}
if(j<0)
{
j=0;
lp.push_back(0);
}
}
}
int m=0;
for(int i=0;i<l;i++)
{
if(lp[i])
{
int lpl=i+1-lp[i];
if((i+1)%lpl==0)
m=i+1;
}
}
cout<<m<<"\n";
lp.clear();
}
return 0;
}
