数据结构-栈-链栈完整可执行代码

朴灿烈づ我的快乐病毒、 2022-09-18 00:52 154阅读 0赞

**数据结构-栈-链栈完整可执行代码**

#include "stdio.h"
    #include "stdlib.h"
    #include "time.h"
    
    #define OK 1
    #define ERROR 0
    #define TRUE 1
    #define FALSE 0
    #define MAXSIZE 20 /* 存储空间初始分配量 */
    
    typedef int Status;
    /* SElemType类型根据实际情况而定，这里假设为int */
    typedef int SElemType;
    
    /* 链栈结构 */
    typedef struct StackNode
    {
        SElemType data;
        struct StackNode *next;
    } StackNode,*LinkStackPtr;
    
    typedef struct
    {
        LinkStackPtr top;
        int count;
    } LinkStack;
    
    /*  构造一个空栈S */
    Status InitStack(LinkStack *S)
    {
        S->top = (LinkStackPtr)malloc(sizeof(StackNode));
        if(!S->top)
            return ERROR;
        S->top=NULL;
        S->count=0;
        return OK;
    }
    
    Status visit(SElemType c)
    {
        printf("%d ",c);
        return OK;
    }
    Status StackTraverse(LinkStack S)
    {
        LinkStackPtr p;
        p=S.top;
        while(p)
        {
            visit(p->data);
            p=p->next;
        }
        printf("\n");
        return OK;
    }
    
    /* 若栈S为空栈，则返回TRUE，否则返回FALSE */
    Status StackEmpty(LinkStack S)
    {
        if (S.count==0)
            return TRUE;
        else
            return FALSE;
    }
    
    /* 插入元素e为新的栈顶元素 */
    Status Push(LinkStack *S,SElemType e)
    {
        LinkStackPtr s=(LinkStackPtr)malloc(sizeof(StackNode));
        s->data=e;
        s->next=S->top;	/* 把当前的栈顶元素赋值给新结点的直接后继，见图中① */
        S->top=s;         /* 将新的结点s赋值给栈顶指针，见图中② */
        S->count++;
        return OK;
    }
    
    /* 若栈不空，则删除S的栈顶元素，用e返回其值，并返回OK；否则返回ERROR */
    Status Pop(LinkStack *S,SElemType *e)
    {
        LinkStackPtr p;
        if(StackEmpty(*S))
            return ERROR;
        *e=S->top->data;
        p=S->top;					/* 将栈顶结点赋值给p，见图中③ */
        S->top=S->top->next;    /* 使得栈顶指针下移一位，指向后一结点，见图中④ */
        free(p);                    /* 释放结点p */
        S->count--;
        return OK;
    }
    
    
    
    /* 把S置为空栈 */
    Status ClearStack(LinkStack *S)
    {
        LinkStackPtr p,q;
        p=S->top;
        while(p)
        {
            q=p;
            p=p->next;
            free(q);
        }
        S->count=0;
        return OK;
    }
    
    int main()
    {
        LinkStack s;
        int opp;
        int j, value, e;
        
        if(InitStack(&s)==OK)
        {
            printf("链栈初始化成功。");
        }
        
        printf("\n1.随机给栈赋值 \n2.栈遍历 \n3.进栈 \n4.出栈");
        printf("\n5.置空链栈 \n6.判断链栈是否为空");
        printf("\n0.退出 \n请选择你的操作：\n");
        while(opp != '0')
        {
            scanf("%d",&opp);
            switch(opp)
            {
                case 1:
                    srand(time(0));
                    for(j=1; j<=10; j++)
                    {
                        Push(&s,rand()%100+1);
                    }
                    StackTraverse(s);
                    break;
                    
                case 2:
                    StackTraverse(s);
                    break;
                    
                case 3:
                    printf("请输入需要进栈的元素：");
                    scanf("%d", &value);
                    Push(&s, value);
                    StackTraverse(s);
                    break;
                    
                case 4:
                    Pop(&s,&e);
                    printf("弹出的栈顶元素 e=%d\n",e);
                    StackTraverse(s);
                    break;
                    
                case 5:
                    ClearStack(&s);
                    printf("清空栈后，栈是否为空：%d(1:空 0:否)\n",StackEmpty(s));
                    break;
                    
                case 6:
                    printf("栈是否为空：%d(1:空 0:否)\n",StackEmpty(s));
                    break;
                    
                case 0:
                    exit(0);
            }
        }
        return 0;
    }

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