表达式的求值
............\calculator.cpp
............\calculator.h
............\Debug
............\.....\calculator.obj
............\.....\main.obj
............\.....\node.obj
............\.....\queue.obj
............\.....\stack.obj
............\.....\Stack_node.obj
............\.....\vc60.pdb
............\.....\表达式的求值.exe
............\.....\表达式的求值.pdb
............\main.cpp
............\node.cpp
............\node.h
............\queue.cpp
............\queue.h
............\stack.cpp
............\stack.h
............\Stack_node.cpp
............\stack_node.h
............\表达式的求值.dsp
............\表达式的求值.dsw
............\表达式的求值.ncb
............\表达式的求值.opt
............\表达式的求值.plg