汉诺塔
......\b.cpp
......\b.dsp
......\b.dsw
......\b.ncb
......\b.opt
......\b.plg
......\Debug
......\.....\b.exe
......\.....\b.ilk
......\.....\b.obj
......\.....\b.pch
......\.....\b.pdb
......\.....\vc60.idb
......\.....\vc60.pdb