C++判断点是否在多边形内

[{"title":"（ 13 个子文件 464KB ） C++判断点是否在多边形内","children":[{"title":"点在多边形内Y轴C++","children":[{"title":"PInPVC.plg <span style='color:#111;'> 246B </span>","children":null,"spread":false},{"title":"PInPVC.ncb <span style='color:#111;'> 41.00KB </span>","children":null,"spread":false},{"title":"PInPVC.dsp <span style='color:#111;'> 4.18KB </span>","children":null,"spread":false},{"title":"PInPVC.dsw <span style='color:#111;'> 520B </span>","children":null,"spread":false},{"title":"Debug","children":[{"title":"PInPVC.exe <span style='color:#111;'> 236.06KB </span>","children":null,"spread":false},{"title":"PInPVC.ilk <span style='color:#111;'> 290.01KB </span>","children":null,"spread":false},{"title":"vc60.idb <span style='color:#111;'> 73.00KB </span>","children":null,"spread":false},{"title":"PInPVC.pch <span style='color:#111;'> 1.22MB </span>","children":null,"spread":false},{"title":"PInPVC.pdb <span style='color:#111;'> 569.00KB </span>","children":null,"spread":false},{"title":"vc60.pdb <span style='color:#111;'> 92.00KB </span>","children":null,"spread":false},{"title":"PInP.obj <span style='color:#111;'> 30.78KB </span>","children":null,"spread":false}],"spread":true},{"title":"PInP.cpp <span style='color:#111;'> 2.75KB </span>","children":null,"spread":false},{"title":"PInPVC.opt <span style='color:#111;'> 52.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]