多边形\1.cpp
......\1.dsp
......\1.dsw
......\1.ncb
......\1.opt
......\1.plg
......\Debug\1.exe
......\.....\1.ilk
......\.....\1.obj
......\.....\1.pch
......\.....\1.pdb
......\.....\vc60.idb
......\.....\vc60.pdb
......\图表.xlsx
......\数据.txt
......\Debug
多边形