Cod sursa(job #138453)
| Utilizator |  ghenea alexandru madalin nighthawk |
Data | 18 februarie 2008 17:43:38 |
|---|---|---|---|
| Problema | Factorial | Scor | 5 |
| Compilator | cpp | Status | done |
| Runda | Arhiva de probleme | Marime | 0.25 kb |
#include<fstream.h>
#include<math.h>
int main()
{long i,s=0,p;
ifstream f("fact.in");
ofstream g("fact.out");
f>>p;
if(p%5==0&&p%2==1)g<<"-1";
else
{for(i=1;i<=p;i++)
if(!(i%5==0&&i%2==1))
s=s+5;
g<<s;
}
g.close();
return 0;}