Cod sursa(job #504820)

Utilizator smaraldaSmaranda Dinu smaralda Data 28 noiembrie 2010 20:43:12
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.35 kb
Raporteaza aceasta sursa 
#include<stdio.h>
long putere (long n)
{
	long k=5,s;
	s=0;
	while(k<=n)
		{
			s=s+n/k;
			k=k*k;
		}
	return s;
}
	
int main()
{
	freopen("fact.in","r",stdin);
	freopen("fact.out","w",stdout);
	
	long p,i,j,n;
	
	scanf("%ld",&p);

	
	for(n=1;;n++)
		if(putere(n)==p)
			break;
	printf("%ld",n);
	printf("\n");
	return 0;
}