File list (Check if you may need any files):
shiyan3 1\Circle.cpp
.........\Circle.h
.........\Debug\Circle.obj
.........\.....\main.obj
.........\.....\Rectangle.obj
.........\.....\Shape.obj
.........\.....\shiyan3 1.exe
.........\.....\shiyan3 1.ilk
.........\.....\shiyan3 1.pch
.........\.....\shiyan3 1.pdb
.........\.....\Triangle.obj
.........\.....\vc60.idb
.........\.....\vc60.pdb
.........\main.cpp
.........\Rectangle.cpp
.........\Rectangle.h
.........\Shape.h
.........\shiyan3 1.dsp
.........\shiyan3 1.dsw
.........\shiyan3 1.ncb
.........\shiyan3 1.opt
.........\shiyan3 1.plg
.........\Triangle.cpp
.........\Triangle.h
.........\Debug
shiyan3 1