试用定制代码高亮

尝试用markdown来写个博。

顺序栈代码。

#include <iostream>

#define maxSize 5

using namespace std;

//sequence stack
typedef struct SequenceStack
{
    int a[maxSize];
    int top;
}SqStack;

void initSqStack(SqStack& s)
{
    s.top = -1;
}

int isSequenceStackEmpty(SqStack s)
{
    if (s.top == -1)
    {
        return 1;    //true
    }
    else
    {
        return 0;    //false;
    }
}

int pushSqStack(SqStack &s, int x)
{
    if (s.top >= maxSize - 1)
    {
        return 0;    //false
    }
    else
    {
        ++(s.top);
        s.a[s.top] = x;
        return 1;    //true;
    }
}

int popSqStack(SqStack& s, int &x)
{
    if (s.top <= -1)
    {
        return 0;    //false
    }
    else
    {
        x = s.top;
        --(s.top);
        return 1;    //true;
    }
}

void showSqStack(SqStack s)
{
    if (isSequenceStackEmpty(s) != 1)
    {
        for (int i = 0; i <= s.top;++i)
        {
            cout << s.a[i] << " ";
        }
        cout << endl;
    }
    else
    {
        cout << "This sequence stack is empty now.
";
    }
    
}

//link stack
typedef struct LinkNode
{
    int data;
    struct LinkNode* next;
}LNode;

void initLinkStack(LNode* &lst)
{
    lst->next = NULL;
}

int isLinkStackEmpty(LNode* lst)
{
    if (lst->next == NULL)
        return 1;    //true
    else
        return 0;    //false
}

void pushLinkStack(LNode* &lst,int x)
{
    LNode* p = (LNode*)malloc(sizeof(LNode));
    p->data = x;
    p->next = NULL;

    p->next = lst->next;
    lst->next = p;    //insert front
}

int popLinkStack(LNode* &lst, int& x)
{
    if (isLinkStackEmpty(lst) == 1)
    {
        return 0;    //false
    }
    else
    {
        LNode* p = (LNode*)malloc(sizeof(LNode));
        p = lst->next;
        x = p->data;
        lst->next = p->next;
        free(p);
        return 1;    //true
    }
}

void showLinkStack(LNode* lst)
{
    LNode* p;
    p = lst->next;
    if (p == NULL)
    {
        cout << "This link stack is empty now.
";
    }
    else
    {
        //the beginning node is the stack top
        while (p != NULL)
        {
            cout << p->data << " ";
            p = p->next;
        }
        cout << endl;
    }
}

int main()
{
    int tempPoped;
    
    SqStack SequenceStack_1;
    initSqStack(SequenceStack_1);
    showSqStack(SequenceStack_1);

    pushSqStack(SequenceStack_1, 1);pushSqStack(SequenceStack_1, 3);pushSqStack(SequenceStack_1, 5);
    showSqStack(SequenceStack_1);

    popSqStack(SequenceStack_1, tempPoped);
    showSqStack(SequenceStack_1);

    pushSqStack(SequenceStack_1, 7);pushSqStack(SequenceStack_1, 9);pushSqStack(SequenceStack_1, 11);
    pushSqStack(SequenceStack_1, 13);    //this should be ignored
    showSqStack(SequenceStack_1);
    
    //if maxSize is not concerned,there's another easy way
    //int Stack[maxSize];int top = -1;
    //Stack[++top] = x;    //push
    //x = Stack[top--];    //pop

    LNode* LinkStack_1 = (LNode*)malloc(sizeof(LNode));
    initLinkStack(LinkStack_1);
    showLinkStack(LinkStack_1);

    pushLinkStack(LinkStack_1, 2); pushLinkStack(LinkStack_1, 4); pushLinkStack(LinkStack_1, 6);
    showLinkStack(LinkStack_1);

    popLinkStack(LinkStack_1, tempPoped);
    showLinkStack(LinkStack_1);

    return 0;
}