迭代法
......\Debug
......\.....\diedaifa.exe
......\.....\diedaifa.ilk
......\.....\diedaifa.obj
......\.....\diedaifa.pch
......\.....\diedaifa.pdb
......\.....\vc60.idb
......\.....\vc60.pdb
......\diedaifa.cpp
......\diedaifa.dsp
......\diedaifa.dsw
......\diedaifa.ncb
......\diedaifa.opt
......\diedaifa.plg