Cod sursa(job #274816)

Utilizator brainwashed20Alexandru Gherghe brainwashed20 Data 9 martie 2009 23:46:36
Problema Factorial Scor 35
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<stdio.h>

long decr(long n)
{
 long k=0;
 while(n%5==0) { k++; n/=5; }
 return k;
}

int main(void)
{
 long n,i=0,t;
 freopen("fact.in","r",stdin);
 freopen("fact.out","w",stdout);
 scanf("%ld",&n);
 while(n)
 {
  i++;
  t=5*i;
  n-=decr(t);
 }
 printf("%ld",t);
 return 0;
}