链栈模板-实现链栈的入栈、出栈、删除与插入。栈的链式存储结构称为链栈。 在算法中要用到多个栈时,最好用链表作为栈的存储结构,即用指针来实现栈。-Chain stack template- the implementation of the stack into the stack, stack, delete and insert. The chain storage structure of the stack is called the chain stack. In the algorit