生成任意的一个随机整数\rand\Debug\rand.exe
......................\....\.....\rand.ilk
......................\....\.....\rand.obj
......................\....\.....\rand.pch
......................\....\.....\rand.pdb
......................\....\.....\vc60.idb
......................\....\.....\vc60.pdb
......................\....\f1.txt
......................\....\f2.txt
......................\....\f3.txt
......................\....\f4.txt
......................\....\f5.txt
......................\....\rand.cpp
......................\....\rand.dsp
......................\....\rand.dsw
......................\....\rand.ncb
......................\....\rand.opt
......................\....\rand.plg
......................\....\Debug
......................\rand
生成任意的一个随机整数