[백준] 11758번 : CCW - C#

https://www.acmicpc.net/problem/11758

using System;

class Program
{
    static void Main() {
        string[] s=Console.ReadLine().Split(' ');
        string[] s1=Console.ReadLine().Split(' ');
        string[] s2=Console.ReadLine().Split(' ');
        int x1=int.Parse(s[0]);
        int y1=int.Parse(s[1]);
        int x2=int.Parse(s1[0]);
        int y2=int.Parse(s1[1]);
        int x3=int.Parse(s2[0]);
        int y3=int.Parse(s2[1]);
        
        int a=x1*y2+x2*y3+x3*y1;
        int b=x2*y1+x3*y2+x1*y3;
        
        if(a-b>0) Console.Write("1");
        else if(a-b<0) Console.Write("-1");
        else Console.Write("0");
    }
}