栈的应用:

括号序列匹配：输入({[...括号序列，判断是否匹配。

后缀表达式：dos输入表达式，转换成后缀表达式输出，并输出计算结果。

并包含有栈的初始化、进栈出栈、获取栈顶元素的方法。-Stack applications: sequence matching parentheses: Enter ({[... parenthesis sequence to determine whether the expression matches the suffix:. Dos input expression into the expression suffix output, and output results and includes a stack initialization. stack into the stack, the stack element acquisition method.