Cod sursa(job #517725)
Utilizator | Data | 29 decembrie 2010 17:11:48 | |
---|---|---|---|
Problema | Factorial | Scor | 15 |
Compilator | cpp | Status | done |
Runda | Arhiva de probleme | Marime | 0.25 kb |
#include<fstream>
using namespace std;
ifstream f("fact.in");
ofstream g("fact.out");
int main()
{
int x,y=0,s;
f>>x;
if(x==0)g<<1;
else
{
y=x;
if(x>=5)
{
if((y-y/5)%5==0)g<<-1;
else g<<(y-y/5)*5;
}
else g<<x*5;
}
}