Cod sursa(job #235055)

Utilizator raizenIancu Andrei raizen Data 22 decembrie 2008 18:20:20
Problema Factorial Scor 10
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream.h>
#include <fstream.h>
   fstream f("fact.in",ios::in);
   fstream g("fact.out",ios::out);
   int main ()
{
  int p,n=1,i;
  f>>p;
   if(p==0) g<<1;
    else
    {
    if (p%5!=0)
    {

    for(i=1;i<=5*p;i++)
      { 
       n=n*i;
       }
   g<<n;}
     else if (p%5==0)  g<<-1;
    }
  return 0;
}