Cod sursa(job #141612)

Utilizator Alexa_ioana_14Antoche Ioana Alexandra Alexa_ioana_14 Data 23 februarie 2008 14:47:28
Problema Factorial Scor 55
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<stdio.h>
int main()
{
	long int ci,i=0,p,num=0;
	freopen ("fact.in","r",stdin);
	freopen ("fact.out","w",stdout);
	scanf("%ld",&p);
	while (num<p)
	{
		i=i+5;
		ci=i;
		while (ci%5==0)
		{
			num++; ci/=5;
		}
	}
	if (num==p)
		printf("%ld",i);
	else
		printf("-1");
	return 0;
}