Cod sursa(job #1113712)
| Utilizator | Data | 20 februarie 2014 20:42:02 | |
|---|---|---|---|
| Problema | Prefix | Scor | 90 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.6 kb |
#include<cstdio>
#include<cstring>
#include<algorithm>
using namespace std;
char s[1000005];
int p[1000005],n,i,j,k,m;
void prefix()
{
int i;j=k=p[k]=0;
for (i=2;i<=m;i++)
{
while (k && s[k+1]!=s[i]) k=p[k];
if (s[k+1]==s[i]) k++;
p[i]=k;
if (p[i] && i-p[i]!=0 && i%(i-p[i])==0) j=i;
}
}
int main()
{
freopen("prefix.in","r",stdin);
freopen("prefix.out","w",stdout);
scanf("%d\n",&n);
for (i=1;i<=n;i++)
{
gets(s+1);
m=strlen(s+1);
prefix();
printf("%d\n",j);
}
return 0;
}
