bool queueIsFull(int rearPointer)
{
    if(rearPointer==9)
        return 1;
    khác
        trả về 0;
}

void PUSH (int queue[], int value, int *frontPointer, int *rearPointer)
{
    *rearPointer++;
    if(*frontPointer==-1)
        *frontPointer=0;
    queue[*rearPointer] = value;
}

bool queueIsEmpty (int frontPointer, int rearPointer)
{
    if(rearPointer==(-1) && frontPointer==(-1))
        trả về giá trị đúng;
    khác
        trả về false;
}

void POP (int* frontPointer, int* rearPointer, int queue[])
{
    cout << "\n Deleted element is: " << queue[*frontPointer];
    if(*rearPointer==*frontPointer)
    {
        *rearPointer=-1;
        *frontPointer=-1;
    }
    khác
        *frontPointer++;
}


int chính()
{
    int option, value, queue[10];
    int rearPointer=-1, frontPointer=-1;
    while(1)
    {
        cout << "\n----------[STATIC QUEUE]--------\nEnter a choice: \n1. PUSH AN ELEMENT\n2. POP AN ELEMENT\n3. EXIT\n";
        cin >> option;
        switch(option)
        {
            case 1: if(!queueIsFull(rearPointer))
                    {
                        cout << "\nEnter a value to push in queue: ";
                        cin >> value;
                        PUSH(queue, value, &frontPointer, &rearPointer);
                    }
                    khác
                        cout << "\nqueue is full. Empty the queue elements and try again!";
                    phá vỡ;

            case 2: if(!queueIsEmpty(frontPointer, rearPointer)) // either of the parameters would do.
                        POP(&frontPointer, &rearPointer, queue); // queue is optional. You only need it to display thte poped value.
                    khác
                        cout << "\nqueue is already empty. Enter some elements";
                    phá vỡ;

            case 3: return 0;
                    phá vỡ;

            default: cout << "\nWrong choice! Try again.";
                   phá vỡ;
        }
    }
}

我无法到达任何地方，也无法调试问题，因为当我在队列中输入值时程序突然终止!这就是为什么越来越难以理解根本问题所在的原因!为什么会这样？

另外，您能给我一些提示，告诉我以后如何解决此类问题吗？

1 Câu trả lời

PUSH 函数实际上是递增指针 rearPointer 而不是它指向的值。

改变

*rearPointer++;

đến

(*rearPointer)++;

关于c++ - 为什么这个静态队列程序不起作用？它自行结束，突然，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/17513999/