Pagini recente » Cod sursa (job #1292521) | Istoria paginii utilizator/cartofen | Cod sursa (job #2187918) | Cod sursa (job #1815235) | Cod sursa (job #2056618)
#include <fstream>
#include <string.h>
using namespace std;
ifstream fin("prefix.in");
ofstream fout("prefix.out");
char A[1000025],B[1000025];
int i,n,pi[1000025],M,N,pos[1000025],T,imax,x,q;
void prefix()
{
imax=0;
int i;
for(i=2, pi[1]=0;i<=M;++i)
{
while(q&&A[q+1]!=A[i]) q=pi[q];
if(A[q+1]==A[i])++q;
pi[i]=q;
if(q && i%(i-q)==0) imax=i;
}
fout<<imax<<'\n';
}
int main()
{
fin>>T;
fin.get();
for(int y=1;y<=T;y++)
{
fin.getline(A,1000025);
M=strlen(A);
for(i=M;i;--i) A[i]=A[i-1];A[0]=' ';
q=0;
prefix();
}
return 0;
}