顺序栈的基本操作

C++顺序栈的基本操作

#include<iostream>
using namespace std;

#define MAXSIZE 10

typedef int Elemtype;
typedef struct
{
    Elemtype elem[MAXSIZE];
    int top;
}Seqstack;

void Initstack(Seqstack &s);
void Clear(Seqstack &s);
bool Isempty(Seqstack s);
bool Isfull(Seqstack s);
void Push(Seqstack &s, Elemtype e);
void Pop(Seqstack &s, Elemtype &e);
void Gettop(Seqstack s, Elemtype &e);
void Input(Seqstack &s);
void Output(Seqstack s);
void Interface();

int main()
{
    Interface();
    Seqstack s;
    int n;
    while (1)
    {
        cout << "请输入操作序号:";
        cin >> n;
        switch (n)
        {
        case 1:
        {
            Initstack(s);
            break;
        }
        case 2:
        {
            Clear(s);
            break;
        }
        case 3:
        {
            if (Isempty(s))
            {
                cout << "顺序栈为空!" << endl;
            }
            else
            {
                cout << "顺序栈不为空!" << endl;
            }
            break;
        }
        case 4:
        {
            if (Isfull(s))
            {
                cout << "顺序栈已满!" << endl;
            }
            else
            {
                cout << "顺序栈未满!" << endl;
            }
            break;
        }
        case 5:
        {
            Elemtype e;
            cout << "请输入入栈元素:";
            cin >> e;
            Push(s, e);
            break;
        }
        case 6:
        {
            Elemtype e;
            Pop(s, e);
            cout << "元素" << e << "已出栈!" << endl;
            break;
        }
        case 7:
        {
            Elemtype e;
            Gettop(s, e);
            cout << "栈顶元素为:" << e << endl;
            break;
        }
        case 8:
        {
            cout << "请依次输入数据，并以-1作为结束标记:" << endl;
            Input(s);
            break;
        }
        case 9:
        {
            cout << "顺序栈中的元素:" << endl;
            Output(s);
            break;
        }
        case 10:
        {
            Interface();
            break;
        }
        case 0:
        {
            exit(0);
            break;
        }
        default:
        {
            cout << "输入的操作序号不正确！请核对..." << endl;
        }
        }
    }
    return 0;
}

void Initstack(Seqstack &s)
{
    s.top = -1;
}

void Clear(Seqstack &s)
{
    s.top = -1;
}

bool Isempty(Seqstack s)
{
    if (s.top == -1)
    {
        return true;
    }
    else
    {
        return false;
    }
}

bool Isfull(Seqstack s)
{
    if (s.top == MAXSIZE - 1)
    {
        return true;
    }
    else
    {
        return false;
    }
}

void Push(Seqstack &s, Elemtype e)
{
    if (Isfull(s))
    {
        cout << "顺序栈已满!" << endl;
    }
    else
    {
        s.top++;
        s.elem[s.top] = e;
    }
}

void Pop(Seqstack &s, Elemtype &e)
{
    if (Isempty(s))
    {
        cout << "顺序栈为空!" << endl;
    }
    else
    {
        e = s.elem[s.top];
        s.top--;
    }
}

void Gettop(Seqstack s, Elemtype &e)
{
    if (Isempty(s))
    {
        cout << "顺序栈为空!" << endl;
    }
    else
    {
        e = s.elem[s.top];
    }
}

void Input(Seqstack &s)
{
    int e;
    while (1)
    {
        cin >> e;
        if (e == -1)
        {
            break;
        }
        Push(s, e);
    }
}

void Output(Seqstack s)
{
    for (int i = s.top; i >= 0; i--)
    {
        cout << s.elem[i] << " ";
    }
    cout << endl;
}

void Interface()
{
    cout << "***************欢迎使用顺序栈系统***************" << endl;
    cout << "1:初始化顺序栈                  2:清空顺序栈" << endl;
    cout << "3:判断顺序栈是否为空            4:判断顺序栈是否已满" << endl;
    cout << "5:入栈                          6:出栈" << endl;
    cout << "7:获取栈顶元素                  8:输入顺序栈" << endl;
    cout << "9:输出顺序栈                    10:菜单" << endl;
    cout << "0:退出" << endl;
    cout << "*************************************************" << endl;
    cout << "输入0-10之间的数:" << endl;
}