Cod sursa(job #513348)

Utilizator mariusmagureanmagurean marius mariusmagurean Data 15 decembrie 2010 18:55:33
Problema Factorial Scor 0
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.31 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
int n;

int putere5(int n)
{
	int contor=0;
	while(n%5==0)
	{
		contor++;
		n/=5;
	}
	return contor;
}

int main()
{
	int i,contor5=0;
	ifstream f("fact.in");
	ofstream g("fact.out");
	f>>n;
	for(i=5;i<=n;i++)
		contor5+=putere5(i);
	g<<contor5;
	return 0;
}