Cod sursa(job #198727)
| Utilizator |  Irina Patru Amethyst |
Data | 14 iulie 2008 12:17:00 |
|---|---|---|---|
| Problema | Factorial | Scor | 0 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.33 kb |
#include<fstream.h>
int main()
{fstream f("fract.in",ios::in);
fstream g("fract.out",ios::out);
int p, n=1, x=0, i, j;
f>>p;
for(i=1;i<=n;i++)
{if (i%5==0) for(j=i;j>1;)
if (j%5==0) {x++; j=j/5;}
else j=0;
if (x==p) g<<n;
else if (x>p) g<<-1;
else n++;}
f.close();
g.close();
return 0;
}