新建文件夹\123.cpp
..........\123.dsp
..........\123.opt
..........\123.plg
..........\Debug\123.exe
..........\.....\123.ilk
..........\.....\123.obj
..........\.....\123.pch
..........\.....\123.pdb
..........\.....\vc60.idb
..........\.....\vc60.pdb
..........\in.txt
..........\in1.txt
..........\in2.txt
..........\out.txt
..........\Debug
新建文件夹
..........\123.dsw
..........\123.ncb