Cod sursa(job #325193)

Utilizator emilianparaicu14Emilian Paraicu emilianparaicu14 Data 19 iunie 2009 14:42:32
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include<fstream>
using namespace std;
int main()
{
	ifstream in ("fact.in");
	ofstream out ("fact.out");
int P,n,i;	
in>>P;
n=5*P;

	for(i=0;i<=n;i+=25)
		{  while((i!=0)&&(i%25==0))
			{ n=n-5;
			  i=i/5;}
		}
if(P==0) out<<"1";
else
out<<n;

in.close();
out.close();
return 0;
}