TestPointInPolygon

k.p[0]=Point(20,20);
k.p[1]=Point(250,50);
k.p[2]=Point(350,450);
k.p[3]=Point(150,200);
k.p[4]=Point(10,480);
Point t=Point(225,325);
---
k.n=3;
k.p[0]=Point(40,250);
k.p[1]=Point(480,300);
k.p[2]=Point(120,500);
Point t=Point(55,375);