Cod sursa(job #678473)

Utilizator anamariaaAvram Ana-Maria anamariaa Data 11 februarie 2012 20:05:52
Problema Factorial Scor 35
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.29 kb
Raporteaza aceasta sursa 
#include <fstream>
using namespace std;
int main ()
{
	ifstream fin("fact.in");
	ofstream fout ("fact.out");
	long P=0,N,aux;       
	fin>>N;
	if (N==0) {fout<<1; return -1;}
	while (N!=0)
		{P+=5;
		 aux=P;
		 while (aux%5==0) {N--; aux=aux/5;}
		}
	fout<<P<<'\n';
	return 0;
}