二分查找
........\debug
........\.....\string.exe
........\.....\string.pdb
........\string
........\......\Debug
........\......\.....\BuildLog.htm
........\......\.....\mt.dep
........\......\.....\string.exe.embed.manifest
........\......\.....\string.exe.embed.manifest.res
........\......\.....\string.exe.intermediate.manifest
........\......\.....\string.obj
........\......\.....\vc80.pdb
........\......\string.cpp
........\......\string.vcproj
........\......\string.vcproj.LJ.Li Jun.user
........\......\string.vcproj.LJ.lijun.user
........\string.ncb
........\string.sln