Cod sursa(job #538376)

Utilizator icepowdahTudor Didilescu icepowdah Data 21 februarie 2011 09:59:38
Problema Factorial Scor 45
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;

int main() {
	ifstream f("fact.in");
	ofstream g("fact.out");
	int n, tmp, p;
	f>>p;
	if (!p) g<<"1\n";
	else {
		n = 0;
		while (p) {
			n+=5;
			tmp = n;
			while (tmp%5 == 0) {
				tmp /= 5;
				p--;
			}
		}
		g<<n<<"\n";
	}
	f.close(); g.close(); return 0;
}