Cod sursa(job #560941)

Utilizator puya.tudorPuia Tudor puya.tudor Data 18 martie 2011 19:18:54
Problema Factorial Scor 15
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;

int main()
{
	int p,n=1,c5=0,cpy;
	ifstream In("fact.in");
	In>>p;
	In.close();
	if(p)
	while(c5<p)
	{
		n++;
		if(n%5==0)
		{
			cpy=n;
			while(cpy%5==0)
			{
				c5++;
				cpy/=5;
			}
		}
	}
	if(n%p) n=-1; 
	ofstream Out("fact.out");
	Out<<n;
	Out.close();
	return 0;
}