五边形
......\Debug
......\.....\jjj.obj
......\.....\tt.exe
......\.....\tt.ilk
......\.....\tt.pch
......\.....\tt.pdb
......\.....\vc60.idb
......\.....\vc60.pdb
......\jjj.cpp
......\t.cpp
......\tt.dsp
......\tt.dsw
......\tt.ncb
......\tt.opt
......\tt.plg