约瑟夫环\1.ncb
........\1.plg
........\约瑟夫环原稿.txt
........\1.dsp
........\1.cpp
........\1.opt
........\1.dsw
........\Debug\vc60.idb
........\.....\vc60.pdb
........\.....\1.exe
........\.....\1.pdb
........\.....\1.pch
........\.....\1.ilk
........\.....\1.obj
........\Debug
约瑟夫环