Cod sursa(job #263042)

Utilizator edward93Murica Edward Cristian edward93 Data 19 februarie 2009 21:10:17
Problema Factorial Scor 20
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.29 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
int main()
{	
	long p,i=1,x=1;
	ifstream in("fact.in");
	ofstream out("fact.out");
	in>>p;
	if (p!=0) {while (p!=0)
	{i=x;
	while (i%5==0)
	{p--;
	i=i/5;}
	x++;}
	x--;
	out<<x;}
	else out<<-1;
	in.close();
	out.close();
	return 0;
}