Cod sursa(job #263083)

Utilizator edward93Murica Edward Cristian edward93 Data 19 februarie 2009 21:43:00
Problema Factorial Scor 65
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,x=0;
	ifstream in("fact.in");
	ofstream out("fact.out");
	in>>p;
	while (p/5!=0)
	{x=x+25;
	i=x;
	p=p-4;
	while (i%5==0)
	{i=i/5;
	p--;}}
	if (p>=0) x=x+p*5;	
	out<<x;
	in.close();
	out.close();
	return 0;
}