Cod sursa(job #548598)

Utilizator RampageSergiu Caraian Rampage Data 7 martie 2011 16:55:29
Problema Factorial Scor 50
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;

ifstream f ("fact.in");
ofstream g ("fact.out");

int main()
	{
	float p,s=0;
	int n=0,i;
	f>>p;
	
	do 
		{
		n+=5;
		i=n;
		while (i%5==0)
			{
			s++;
			i/=5;
			}
		}
	while (s<p);
	
	if (p==0)
		g<<1;
	else if (s==p)
		g<<n;
	else
		g<<-1;
	g.close();
	return 0;
	}