Cod sursa(job #317661)

Utilizator Magnuscont cu nume gresit sau fals Magnus Data 24 mai 2009 19:42:13
Problema Prefix Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.63 kb
#include<stdio.h>   
#include<string.h>   

char a[10002];
int km[10002],n,i,m,max;

void prefix()
{ km[1]=0;
  int k=0;
  for(int q=2;q<=m;q++)
    {  while(a[q]!=a[k+1]&&k>0)
	  k=km[k];
     if(a[q]==a[k+1])
       k++;
       km[q]=k;
       if(km[q]>0&&q%(q-k)==0&&q>max) max=q;
    }
}

int main()
{freopen("prefix.in","r",stdin);
 freopen("prefix.out","w",stdout);
 scanf("%d",&n);
 for(i=1;i<=n;i++)
 { max=0;
     scanf("%s",a);
  m=strlen(a)-1;
    for(int j=m;j>=0;j--)
	a[j+1]=a[j];
    a[0]=' ';
    m++;
    prefix();
  if(m>1)
      printf("%d\n",max);
  else printf("0\n");
 }


    return 0;}