Cod sursa(job #195647)

Utilizator AndreiDDiaconeasa Andrei AndreiD Data 20 iunie 2008 13:54:31
Problema Factorial Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include <stdio.h>

long long i,p,z,nr;

int main()
{
freopen("fact.in","rt",stdin);
freopen("fact.out","wt",stdout);
scanf("%lld", &p);

z=i=0;
while (z<p)
{
i=i+5;
nr=i;
while (nr%5==0)
{z++;
nr/=5;
}
}
if (z>p) printf("-1");
else if (p==0) printf("1");
     else printf("%lld",i);
return 0;}