Describe: guess number

File list(Click to check if it's the file you need, and recomment it at the bottom):
  caishuzi
  ........\caishuzi.cpp
  ........\caishuzi.dsp
  ........\caishuzi.dsw
  ........\caishuzi.ncb
  ........\caishuzi.opt
  ........\caishuzi.plg
  ........\Debug
  ........\.....\caishuzi.exe
  ........\.....\caishuzi.ilk
  ........\.....\caishuzi.obj
  ........\.....\caishuzi.pch
  ........\.....\caishuzi.pdb
  ........\.....\StdAfx.obj
  ........\.....\vc60.idb
  ........\.....\vc60.pdb
  ........\ReadMe.txt
  ........\StdAfx.cpp
  ........\StdAfx.h