多项式的相加
............\Cpp1.cpp
............\Cpp1.dsp
............\Cpp1.dsw
............\Cpp1.ncb
............\Cpp1.opt
............\Cpp1.plg
............\Debug
............\.....\Cpp1.exe
............\.....\Cpp1.ilk
............\.....\Cpp1.obj
............\.....\Cpp1.pch
............\.....\Cpp1.pdb
............\.....\vc60.idb
............\.....\vc60.pdb