Cod sursa(job #246938)

Utilizator Soimul_NegruIon Popescu Soimul_Negru Data 21 ianuarie 2009 21:28:27
Problema Factorial Scor 60
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.34 kb
Raporteaza aceasta sursa 
#include <iostream.h>
#include <stdio.h>
int main()
{int j,n=0,x=0;
long p;

freopen("fact.in", "r", stdin);
freopen("fact.out", "w", stdout);
cin>>p;

if(p==0) {cout<<1; return 0;}
else
 {while(x<p)
   {n=n+5;
    j=n;
    do {j=j/5; ++x;}
    while(j%5==0);}
  if(x==p) cout<<n;
  else cout<<-1;}

fcloseall();
return 0;
}