백준

[11758]CCW

Jcoder 2018. 10. 6. 17:27

#include <iostream>
using namespace std;
int main()
{
int x1, y1, x2, y2, x3, y3;
cin >> x1 >> y1 >> x2 >> y2 >> x3 >> y3;
int temp = (x2 - x1)*(y3 - y1) - (y2 - y1)*(x3 - x1);
if (temp > 0)
cout << 1;
else if (temp < 0)
cout << -1;
else
cout << 0;
}