Cod sursa(job #32967)

Utilizator RobytzzaIonescu Robert Marius Robytzza Data 18 martie 2007 19:21:37
Problema Factorial Scor 35
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.36 kb
Raporteaza aceasta sursa 
#include<fstream.h>
int main(){
ifstream fin("fact.in");
ofstream fout("fact.out");
int P,nr,x=0,N=0;
fin>>P;
short ok=1;
if (P==0)
   fout<<1;
else
while (N!=P){
      x+=5;
      nr=x;
      while (nr%5==0){
	    nr/=5;
	    N++;}
if (N>P) {
  fout<<-1;
  ok=0;
  break; }}
if (ok==1)
    fout<<x;
fin.close();
fout.close();
return 0;
}