Cod sursa(job #1060550)

Utilizator lucamateiLuca Matei lucamatei Data 18 decembrie 2013 08:15:52
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()
{
   ifstream f("fact.in");
    long long n=0,i=0,p,y=2;;
   ofstream g("fact.out");
   f>>p;
   while(n<p)
   {
       y=i=i+5;


       while(y%5==0){n++;y=y/5;}

    if(i>=100000000){i=-1;break;}
   }
    g<<i;
    f.close();
    f.close();
    return 0;
}