Cod sursa(job #246575)

Utilizator Soimul_NegruIon Popescu Soimul_Negru Data 21 ianuarie 2009 09:21:45
Problema Factorial Scor 60
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.3 kb
Raporteaza aceasta sursa 
#include <fstream.h>
int main()
{int j,n=0,x=0;
long p;

ifstream f("fact.in");
f>>p;
f.close();
ofstream g("fact.out");

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

g.close();
return 0;
}