[자료구조] c++ 스택

#include <iostream>
 
template <class T>
 
typedef struct Node{
    int data;
}Node;
 
class Stack{
private: Node node;
         int size;
         int num;
         
public: Stack(int size){
        this->size = size;
        num = 0;
        node = new node[size];
        }
    void push(int in){
            node[num++]->data = in;
    }
            
    int pop(){
        return node[--num];
    }
    bool isempty(){if(num == 0) return true;}
    
}