Cod sursa(job #5506)

Utilizator radamiRadu Patulescu radami Data 12 ianuarie 2007 21:18:32
Problema Factorial Scor 30
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.33 kb
Raporteaza aceasta sursa 
#include <fstream>


int main ()
 {

 long P,nr=0,i=0,y;

 std::ifstream f ("fact.in");
 f>>P;
 f.close();

 while (nr<P)
  {
   y=i;
   while ((y%5==0) && (y>0))
    {
     y=y/5;
     nr++;
    }
   i=i+5;
  }
 std::ofstream g ("fact.out");
 if (nr==P)
  g<<i-5;
  else
  g<<-1;
 g.close();




 return 0;
 }