C++ STL 容器之棧

棧後進先出。

#include<iostream>
#include<stack>
using namespace std;
class  teacher
{
	public :		
	int age;
	char name[32];
		void printf()
		{
			cout<<age<<endl;
		}
};
void int_stack()
{
	stack <int> s;//棧聲明
	for (int i=0;i<10;i++)
	{
	s.push(i); //push(元素)	
	}
    cout<<s.size()<<endl;
    while(!s.empty())
	{   int tmp;
	    tmp=s.top();//獲取棧頂元素 
		cout<<tmp<<" ";
		s.pop(); //刪除棧頂元素  
	}	
	  cout<<endl;
 }  
void teacher_stack()
{
 	teacher t1,t2,t3;
	t1.age=31;
	t2.age=19;
	t3.age=45;
 	stack <teacher> s;
 	s.push(t1);
 	s.push(t2);
 	s.push(t3);
 	while(!s.empty()) 
 	{  
 	    teacher tmp;
 		tmp=s.top();//獲取棧頂元素 
 		tmp.printf();
 		s.pop();//出棧 
	 }
 }
 
 void teacher_stack2()
{
 	teacher t1,t2,t3;
	t1.age=31;
	t2.age=19;
	t3.age=45;
 	stack <teacher*> s;
 	s.push(&t1);
 	s.push(&t2);
 	s.push(&t3);
 	while(!s.empty()) 
 	{  
 	    teacher* tmp;
 		tmp=s.top();//獲取棧頂元素 
 		tmp->printf();//是指針用->訪問  
 		s.pop();//出棧 
	 }
 }
int main()
 {
 	
 int_stack();
 teacher_stack();
 teacher_stack2();
 return 0; 
 }