Cod sursa(job #6321)

Utilizator RutZapGruia Radu RutZap Data 18 ianuarie 2007 20:29:30
Problema Factorial Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <stdio.h>

int main()
{
freopen("fact.in", "r", stdin);
freopen("fact.out", "w", stdout);

long p,i,aux;

scanf("%ld",&p);
i=0;
while (p>0)
       {
       i+=5;
       aux=i;
       while (aux%5==0) {
			p--;
			aux=aux/5;
			}
       }

if (p<0) i=-1;
printf("%ld", i);
return 0;
}