Determinan

#include
#include

class determinan{
friend istream& operator >>(istream&, determinan&);
friend ostream& operator <>(istream& in, determinan& d){
cout<>d.a;
cout<>d.b;
cout<>d.c;
cout<>d.d;
cout<<<" "<<<<<" "<<

return in;
}

ostream& operator <<(ostream& out, const determinan& d){
out<<"HAsil determinannnya "<<>x;
x.hasilnya();
cout<

return 0;
}