C++ Bilangan fibonachi

C++ Bilangan fibonachi
#include
#define true 1
#include

int main()
{
long batas;
cout << "Masukkan integer positif : "; cin >> batas;
cout << "Bilangan Fibonacci < " << batas << ":\n0, 1"; long f1=0, f2=1; while (true) { long f3 = f2 + f1; if (f3 > batas) break; // menghentikan loop
cout << ", " << f3;
f1 = f2;
f2 = f3;
getch();
}
return 0;

}