[C++知识库]顺序栈的代码实现（C++）

主要功能：

?

?完整代码展示：

#include <iostream>
using namespace std;
#define MAXSIZE 100

typedef struct Stack{  //栈的存储结构
    int *base;  //栈底指针
    int *top;   //栈顶指针
    int stacksize;  //栈的最大容量
}SqStack;

bool InitStack(SqStack &S){  //初始化
    S.base = new int[MAXSIZE];
    if(!S.base){
        cout<<"初始化失败"<<endl;
        return false;
    }
    S.top = S.base;
    S.stacksize = MAXSIZE;
    cout<<"初始化成功"<<endl;
    return true;
}

bool Push(SqStack &S, int e){  //入栈
    if (S.top - S.base == S.stacksize) return false;  //栈满
    *S.top++ = e;  //先赋值，再++; 相当于*S.top=e; S.top++;
    return true;
 }

void PushStack(SqStack &S){  //连续入栈
    int n,e,flag;
    cout<<"请输入入栈元素个数：";
    cin>>n;
    for (int i = 0; i < n; i++) {
        printf("请输入第%d个元素值：",i+1);
        cin>>e;
        flag = Push(S,e);
        if(flag) cout<<"入栈成功"<<endl;
        else {
            cout<<"栈已满"<<endl;
            break;
        }
    }
}

bool Pop(SqStack &S, int &e){  //出栈
    if(S.top == S.base) return false;  //空栈
    e = *--S.top;  //先--，再赋值；相当于 --S.top; e=*S.top;
    return true;
}

int GetTop(SqStack S, int &e){  //取栈顶元素
    if(S.top != S.base)
    e = *(S.top - 1);
    return e;
}

void StackEmpty(SqStack S){  //判断是否为空
    if(S.top == S.base) cout<<"栈为空"<<endl;
    else cout<<"栈不为空"<<endl;
}

int StackLength(SqStack S){  //求栈的长度
    return S.top - S.base;
}

bool ClearStack(SqStack &S){  //清空栈
    if (S.base)
        S.top = S.base;
    return true;
}

bool DestoryStack(SqStack &S){  //销毁栈
    if(S.base){
        delete S.base;
        S.stacksize = 0;
        S.base = S.top = NULL;
    }
    return true;
}

int main() {
    SqStack s;
    int e;
    cout<<"1.入栈------------2.连续入栈"<<endl;
    cout<<"3.出栈------------4.取栈顶元素"<<endl;
    cout<<"5.是否为空--------6.栈的长度"<<endl;
    cout<<"7.清空栈----------8.销毁栈"<<endl;
    cout<<"0.退出"<<endl;
    int choice = -1;
    InitStack(s);
    while (choice !=0) {
        cout << "请选择功能：";
        cin >> choice;
        switch (choice) {
            case 1:  //入栈
                cout << "输入入栈元素值：";
                cin >> e;
                if (Push(s, e)) cout << "入栈成功" << endl;
                else cout << "栈已满" << endl;
                break;
            case 2:  //连续入栈
                PushStack(s);
                break;
            case 3:  //出栈
                if (Pop(s, e)) cout << "出栈成功" << endl;
                else cout << "栈为空" << endl;
                break;
            case 4:  //取栈顶元素
                cout << "栈顶元素为：" << GetTop(s, e)<< endl;
                break;
            case 5:  //是否为空
                StackEmpty(s);
                break;
            case 6:  //栈长度
                cout << "栈的长度为：" << StackLength(s)<< endl;
                break;
            case 7:  //清空
                if (ClearStack(s)) cout << "栈已清空" << endl;
                break;
            case 8:  //销毁
                if (DestoryStack(s)) cout << "栈已销毁" << endl;
                break;
        }
    }
        return 0;
}

?运行结果展示：

?

?

?