顺序栈的构建，环境vs2019

/*
	顺序栈-HXT
*/
#define _CRT_SECURE_NO_WARNINGS //调用c语言的语法，在其他IDE可以引入c的头文件代替
#include<iostream>
#include<string.h>

using namespace std;

#define OK 0
#define ERROR 1

const int MAXSIZE = 100;

typedef string SElemType;
typedef int status;

typedef struct SqStack //定义栈
{
	SElemType* base;
	SElemType* top;
	int StackSize;
};

//初始化
status InitStack(SqStack 
//压栈
status Push(SqStack&S, SElemType
//弹栈
status Pop(SqStack& S, SElemType
//销毁
status DestroyStack(SqStack
//清空
status ClearStack(SqStack
//判空
status StackEmpty(SqStack
//长度
status StackLength(SqStack
//取栈顶
status GetTop(SqStack& S, SElemType

int main()
{
	SqStack S;
	int a;
	SElemType e;
	InitStack(S);

		cout << "1.压栈" << "\n"
			<< "2.弹栈" << "\n"
			<< "3.长度" << "\n"
			<< "4.清空" << "\n"
			<< "5.销毁" << "\n"
			<< "6.判空" << "\n"
			<< "7.取栈顶" << "\n"
			<< "8.退出" << endl;

	while (1)//一直循环，直到选择退出
	{
		cout << "请选择：" << endl;
		cin >> a;
		switch (a)
		{
		case 1:
			cout << "请输入学生名字：" << endl;
			cin >> e;
			Push(S, e);
			break;
		case 2:
			Pop(S, e);
			cout << "弹出为:" << e << endl;
			break;
		case 3:
			StackLength(S);
			break;
		case 4:
			ClearStack(S);
			break;
		case 5:
			DestroyStack(S);
			break;
		case 6:
			StackEmpty(S);
			break;
		case 7:
			GetTop(S,e);
			break;
		case 8:
			break;
		}
		if (a == 8)break;
	}
	return 0;
}


//初始化栈
//为S.base用new分配一定空间，且top=base
status InitStack(SqStack& S) 
{
	S.base = new SElemType[MAXSIZE];
	if (!S.base)exit(OVERFLOW);//储存分配失败
	S.top = S.base;
	S.StackSize = MAXSIZE;
	cout << "初始化成功！" << endl;
	return OK;
}

//判空
status StackEmpty(SqStack& S)
{
	if (S.top == S.base)cout << "栈为空" << endl;
	else cout << "栈不为空" << endl;
	return OK;
}

//长度
status StackLength(SqStack& S)
{
	cout << "栈的长度为："<< S.top-S.base << endl;
	return S.top - S.base;
}


//清除顺序栈
//形式主义上的清除
status ClearStack(SqStack& S)
{
	if (S.base)S.top = S.base;
	S.StackSize = 0;
	cout << "清除顺序栈成功！" << endl;
	return OK;
}

//销毁顺序栈
status DestroyStack(SqStack& S)
{
	if (S.base) {
		delete S.base;
		S.StackSize = 0;
		S.base = S.top = NULL;
	}

	cout << "销毁顺序栈成功！" << endl;
	return OK;
}

//压栈
status Push(SqStack& S, SElemType& e)
{
	if (S.top - S.base == MAXSIZE)//栈满
	{
		cout << "栈已满！" << endl;
		return ERROR;
	}
		*S.top = e;
		S.top++;
		return OK;
}

//弹栈
status Pop(SqStack& S, SElemType& e)
{
	if (S.top == S.base)return ERROR;
	--S.top;
	e = *S.top;
	return OK;
}

//取栈顶
status GetTop(SqStack& S, SElemType& e)
{
	if (S.top == S.base)return ERROR;
	--S.top;
	e = *(S.top);
	++S.top;
	cout << "栈顶元素为：" << e << endl;
	return OK;
}