回溯\bboard.cpp
....\bboard.dat
....\bboard.dsp
....\bboard.dsw
....\bboard.ncb
....\bboard.opt
....\bboard.out
....\bboard.plg
....\make2db.cpp
....\make2db.h
....\swap.cpp
....\swap.h
....\Debug\bboard.exe
....\.....\bboard.ilk
....\.....\bboard.obj
....\.....\bboard.pch
....\.....\bboard.pdb
....\.....\vc60.idb
....\.....\vc60.pdb
....\Debug
回溯