Cod sursa(job #532807)

Utilizator radu.secrieruSecrieru Radu radu.secrieru Data 12 februarie 2011 15:32:45
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;

int zero(int n)
{
	if(n<0) return -1;
	if(n==0) return 1;
	int i=5*n;
	int j=5;
	n=0;
	while(j<i) {j*=j;n++;}
	j=10;
	while(j<i) {j*=j;n++;}	
	return i-5*n;
}
int main()
{
	int n;
	ifstream f("fact.in");
	ofstream g("fact.out");
	f>>n;
	g<<zero(n);
	return 0;
}