Cod sursa(job #831202)

Utilizator TudorMTudor Moldovanu TudorM Data 8 decembrie 2012 11:45:46
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream>
#include<cmath>

using namespace std;

ifstream f("fact.in");
ofstream g("fact.out");
int ok;
long long p, k, n;
int main()
{
	f>>p;
	k=0;
	ok=0;
	for(n=5;ok=0;n=n+5)
	{
		k++;
		if(k==p)ok=1;
	}
	if(ok==1)g<<n;
	else g<<-1;
	f.close();
	g.close();
	return 0;
}