2024-07-17[AIZU ONLINE JUDGE] 计算几何 CGL_3_C (射线法判断一点是否在多边形内部)Polygon-Point-ContainmentForagivenpolygon g andtargetpoints t,print"2"if g contains t,"1"if t isonasegmentof g,"0"otherwise.g isrepresentedbyasequenceofpoints p1, p2,..., pn wherelinesegmentsconnec