Cod sursa(job #927714)

Utilizator diana20Dersedan Diana diana20 Data 25 martie 2013 23:23:56
Problema Factorial Scor 25
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<iostream>
#include<fstream>
using namespace std;
int p,n,k;

int putere(int nr)
{
	int k=0;
	while(nr%5==0)
	{
		++k;
		nr/=5;
	}
	return k;
}

int main()
{
	ifstream f("fact.in");
	ofstream g("fact.out");
	f>>p;
	n=0;
	k=0;
	do
	{
		n+=5;
		k=k+putere(n);
	}while(k<p);

	if(p==0) g<<1;
		else g<<n;
}