椭圆面积\Debug\Point.exe
........\.....\Point.ilk
........\.....\point.obj
........\.....\Point.pch
........\.....\Point.pdb
........\.....\vc60.idb
........\.....\vc60.pdb
........\point.cpp
........\Point.dsp
........\Point.dsw
........\Point.ncb
........\Point.opt
........\Point.plg
........\Debug
椭圆面积