#include<iostream> using namespace std; struct node { char temp; node *next; }; class forecase { public: forecase(node *ptr,int);//構(gòu)造函數(shù) bool judge_stack_top(); //判斷 bool judge_input(); //判斷輸入字符是否為終態(tài) char* find(); //查表 void push(char *); //入棧 char pop(); //出棧 void caozuo(); void print_input(); //打印輸