Cod sursa(job #246563)

Utilizator Soimul_NegruIon Popescu Soimul_Negru Data 21 ianuarie 2009 09:08:05
Problema Factorial Scor 60
Compilator cpp Status done
Runda Arhiva de probleme Marime 0.27 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();

while(x<p)
 {n=n+5;
  j=n;
  do {j=j/5; x++;}
  while(j%5==0);}
if(p==0) n++;

ofstream g("fact.out");
if(x==p) g<<n;
else g<<-1;
g.close();

return 0;
}