<commit_before># Chapter-10 AnalyticGeometry 
# 第10章 解析几何

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1. [Section-1 Polygon 第1节 多边形](Polygon/README.md)
    1. [Cross 叉积](Polygon/Cross/README.md)
    2. [SegmentIntersection 线段相交](Polygon/SegmentIntersection/README.md)
    3. [PointInConvexPolygon 点在多边形内](Polygon/PointInConvexPolygon/README.md)
    4. [Sweeping 扫除算法](Polygon/Sweeping/README.md)
    5. [ConvexPolygonArea 凸多边形面积](Polygon/ConvexPolygonArea/README.md)
    6. [ConvexPolygonGravityCenter 凸多边形重心](Polygon/ConvexPolygonGravityCenter/README.md)
    7. [RayDistinguish 射线判别](Polygon/RayDistinguish/README.md)
    8. [RotatingCalipers 旋转卡壳](Polygon/RotatingCalipers/README.md)
2. [Section-2 ConvexHull 第2节 凸包](ConvexHull/README.md)
    1. [NearestNeighbor 最近点对](ConvexHull/NearestNeighbor/README.md)
    2. [GrahamScan Graham扫描算法](ConvexHull/GrahamScan/README.md)
    3. [QuickConvexHull 快速凸包算法](ConvexHull/QuickConvexHull/README.md)<commit_msg>fix up content<commit_after># Chapter-10 AnalyticGeometry 
# 第10章 解析几何

--------

1. Section-1 Polygon 第1节 多边形
    1. [Cross 叉积](Polygon/Cross/README.md)
    2. [SegmentIntersection 线段相交](Polygon/SegmentIntersection/README.md)
    3. [PointInConvexPolygon 点在多边形内](Polygon/PointInConvexPolygon/README.md)
    4. [Sweeping 扫除算法](Polygon/Sweeping/README.md)
    5. [ConvexPolygonArea 凸多边形面积](Polygon/ConvexPolygonArea/README.md)
    6. [ConvexPolygonGravityCenter 凸多边形重心](Polygon/ConvexPolygonGravityCenter/README.md)
    7. [RayDistinguish 射线判别](Polygon/RayDistinguish/README.md)
    8. [RotatingCalipers 旋转卡壳](Polygon/RotatingCalipers/README.md)
2. Section-2 ConvexHull 第2节 凸包
    1. [NearestNeighbor 最近点对](ConvexHull/NearestNeighbor/README.md)
    2. [GrahamScan Graham扫描算法](ConvexHull/GrahamScan/README.md)
    3. [QuickConvexHull 快速凸包算法](ConvexHull/QuickConvexHull/README.md)
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