排序，查找\Cpp1.cpp
..........\Cpp1.dsp
..........\Cpp1.dsw
..........\Cpp1.ncb
..........\Cpp1.opt
..........\Cpp1.plg
..........\Debug\Cpp1.exe
..........\.....\Cpp1.ilk
..........\.....\Cpp1.obj
..........\.....\vc60.idb
..........\.....\vc60.pdb
..........\Debug
排序，查找