vs2010编译C++ 栈的使用

// CTest.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"
#include <iostream>
#include <string.h>
#include <stdio.h>
using namespace std;

typedef int ElemType;
struct Stack{
    ElemType *stack;
    int top;
    int maxSize;
};
void InitStack(Stack& s){
    s.maxSize =10;//设置栈空间的大小为10个元素的位置
    s.stack = new ElemType[s.maxSize];
    if(!s.stack){
        cerr<<"动态存储分配失败"<<endl;
        exit(1);
    }
    s.top=-1;//初始栈为空cf
}
void Push(Stack &s,ElemType item){//元素item进栈，即插入到栈顶
    if(s.top==s.maxSize-1){
        int k = sizeof(ElemType);
        s.stack = (ElemType *)realloc(s.stack,2*s.maxSize*k);
        s.maxSize = 2*s.maxSize;
    }
    s.top++;
    s.stack[s.top]=item;
}
ElemType Pop(Stack &s){//删除栈顶元素，并返回
    if(s.top==-1){
        cerr<<"Stack is empty!"<<endl;
        //exit(1);
    }
    s.top--;
    return s.stack[s.top+1];
}
ElemType Peek(Stack &s){//读取栈顶的元素
    if(s.top==-1){
        cerr<<"Stack is empty!"<<endl;
        exit(1);
    }
    return s.stack[s.top];
}
bool EmptyStack(Stack &s){//清空栈
    return s.top == -1;
}
void ClearStack(Stack &s){
    if(s.stack){
        delete []s.stack;
        s.stack = 0;
    }
    s.top = -1;
    s.maxSize = 0;
}
int _tmain(int argc, _TCHAR* argv[])
{
    Stack s;
    InitStack(s);//初始化栈
    int a[8]={3,8,5,17,9,30,15,22};
    for(int i=0;i<8;i++){//将数据插入到栈顶
        Push(s,a[i]);
    }
    cout<<Pop(s);
    cout<<' '<<Pop(s)<<endl;
    Push(s,86);
    cout<<Peek(s);
    cout<<' '<<Pop(s)<<endl;
    while(!EmptyStack(s)){//如果栈不为空
        cout<<Pop(s)<<' ';
    }
    cout<<endl;
    ClearStack(s);
    system("pause");
    return 0;
}