Cod sursa(job #212679)

Utilizator zlatebogdanZlate Bogdan zlatebogdan Data 6 octombrie 2008 14:45:28
Problema Factorial Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<stdio.h>
long long search(int);
int main ()
{
	int p;
	freopen("fact.in","r",stdin);
	freopen("fact.out","w",stdout);
	scanf("%d",&p);
	printf("%lld\n",search(p));
	return 0;
}
long long search(int p)
{
	long long i,e=0,x;
	for (i=5;e<p;i=i+5){
		x=i;
		while (!(x%5)){
			x=x/5;
			++e;
		}
	}
	return i-5;
}