hyp1231:
博客地址:https://www.cnblogs.com/hyp1231/
hyp1231:
博客地址:https://www.cnblogs.com/hyp1231/
POJ2194 Stacking Cylinders(向量旋转)
POJ1673 EXOCENTER OF A TRIANGLE(三角形垂心)
POJ1329 Circle Through Three Points(三角形外接圆)
POJ2826 An Easy Problem?!(线段交点,三角形面积)
POJ3347 Kadj Squares(计算几何&区间覆盖)