Cod sursa(job #801531)

Utilizator AltimosPanaite Adrian Altimos Data 24 octombrie 2012 17:12:02
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.32 kb
Raporteaza aceasta sursa 
#include<fstream>
#include<math.h>
using namespace std;
ifstream in("fact.in");
ofstream out("fact.out");
long long p,x=5,n,s;
int main()
{
	in>>p;
	n=5*p-1;
	while (x<n)
	{
		x*=5;
		s+=n/x;out<<"**"<<n<<'\n';
	}
	n-=5*s-1;
	if (p>0)
		out<<n;
	else
		out<<"1";
	in.close();
	out.close();
	return 0;
}