// 1233.cpp : Defines the entry point for the console application.

 //



 #include "stdafx.h"

 #include <list>

 using namespace std;



 //栈模板类

 template<typename T>

 class Stack

 {

T c[20];

int size;

public:

Stack();

void push(T item);

T pop();

int len()

{

return size;

}

 };



 template<typename T>

 Stack<T>::Stack()

 {

size=0;

 }



 template<typename T>

 void Stack<T>::push(T item)

 {

if(size<20)

{

c[size]=item;

size++;

}

else

{

printf("stack full!\n");

}



 }



 template<typename T>

 T Stack<T>::pop()

 {

if(size>0)

{

size--;

return c[size];

}

else

{

printf("no data!\n");

return NULL;

}

 }



 int main(int argc, char* argv[])

 {

Stack<int> mystack;

printf("length:%d\n",mystack.len());



//压栈

mystack.push(10);

mystack.push(8);

mystack.push(1);

printf("length:%d\n",mystack.len());



//出栈

int value=mystack.pop();

printf("%d\n",value);

printf("length:%d\n",mystack.len());

return 0; 

 }