根据已知顶点求构成凸包的顶点集合（C#）

[{"title":"（ 26 个子文件 44KB ） 根据已知顶点求构成凸包的顶点集合（C#）","children":[{"title":"ConvexHull","children":[{"title":"ConvexHull","children":[{"title":"bin","children":[{"title":"Debug","children":[{"title":"ConvexHull.pdb <span style='color:#111;'> 33.50KB </span>","children":null,"spread":false},{"title":"ConvexHull.vshost.exe.manifest <span style='color:#111;'> 490B </span>","children":null,"spread":false},{"title":"ConvexHull.vshost.exe <span style='color:#111;'> 11.33KB </span>","children":null,"spread":false},{"title":"ConvexHull.exe <span style='color:#111;'> 10.50KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"Form1.Designer.cs <span style='color:#111;'> 2.52KB </span>","children":null,"spread":false},{"title":"ConvexHull.csproj <span style='color:#111;'> 3.66KB </span>","children":null,"spread":false},{"title":"Program.cs <span style='color:#111;'> 491B </span>","children":null,"spread":false},{"title":"obj","children":[{"title":"x86","children":[{"title":"Debug","children":[{"title":"ConvexHull.pdb <span style='color:#111;'> 33.50KB </span>","children":null,"spread":false},{"title":"DesignTimeResolveAssemblyReferencesInput.cache <span style='color:#111;'> 6.26KB </span>","children":null,"spread":false},{"title":"ConvexHull.Form1.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false},{"title":"DesignTimeResolveAssemblyReferences.cache <span style='color:#111;'> 2.80KB </span>","children":null,"spread":false},{"title":"TempPE","children":null,"spread":false},{"title":"ConvexHull.csproj.FileListAbsolute.txt <span style='color:#111;'> 792B </span>","children":null,"spread":false},{"title":"ConvexHull.csproj.GenerateResource.Cache <span style='color:#111;'> 975B </span>","children":null,"spread":false},{"title":"ConvexHull.exe <span style='color:#111;'> 10.50KB </span>","children":null,"spread":false},{"title":"ConvexHull.Properties.Resources.resources <span style='color:#111;'> 180B </span>","children":null,"spread":false}],"spread":true}],"spread":true}],"spread":true},{"title":"Form1.cs <span style='color:#111;'> 1.19KB </span>","children":null,"spread":false},{"title":"Form1.resx <span style='color:#111;'> 5.68KB </span>","children":null,"spread":false},{"title":"Helper.cs <span style='color:#111;'> 2.54KB </span>","children":null,"spread":false},{"title":"Point.cs <span style='color:#111;'> 1.91KB </span>","children":null,"spread":false},{"title":"Properties","children":[{"title":"Resources.resx <span style='color:#111;'> 5.48KB </span>","children":null,"spread":false},{"title":"Settings.settings <span style='color:#111;'> 249B </span>","children":null,"spread":false},{"title":"AssemblyInfo.cs <span style='color:#111;'> 1.32KB </span>","children":null,"spread":false},{"title":"Settings.Designer.cs <span style='color:#111;'> 1.07KB </span>","children":null,"spread":false},{"title":"Resources.Designer.cs <span style='color:#111;'> 2.80KB </span>","children":null,"spread":false}],"spread":true}],"spread":true},{"title":"ConvexHull.sln <span style='color:#111;'> 872B </span>","children":null,"spread":false},{"title":"ConvexHull.suo <span style='color:#111;'> 9.00KB </span>","children":null,"spread":false}],"spread":true}],"spread":true}]