关于经典停车场问题指针输出乱码问题？

老师布置的作业 ，经典停车场问题

#include<stdio.h> #include<stdlib.h> #include<string.h> #include<math.h> struct stackstruct /栈的结构体/ { int id; int time; struct stackstruct pre; struct stackstruct next; };

struct queuestruct //队列结构体 { int id; struct queuestruct *next; };

struct stackstruct stackhead1, stackend1; struct stackstruct stackhead2, stackend2; struct queuestruct queuehead, queueend; int stack1count, stack2count; /栈中元素总数/ int queuecount; /队列中元素总数/

void push(int flag, struct stackstruct p) { struct stackstruct stack; if (flag == 0) /栈1进栈操作/ { if (stack1count == 0)//栈1空 { stackhead1 = (struct stackstruct )malloc(sizeof(struct stackstruct)); stackhead1->id = p->id; stackhead1->time = p->time; stackhead1->next = NULL; stackhead1->pre = NULL; stackend1 = stackhead1; } else { stack = (struct stackstruct )malloc(sizeof(struct stackstruct)); stack->id = p->id; stack->time = p->time; stackend1->next = stack; stack->pre = stackend1; stack->next = NULL; stackend1 = stack; } stack1count++; } else if (flag == 1) /栈2进栈操作，栈1出栈/ { if (stack2count == 0)//栈2空 { stackhead2 = (struct stackstruct )malloc(sizeof(struct stackstruct)); stackhead2->id = p->id; stackhead2->time = p->time; stackhead2->next = NULL; stackhead2->pre = NULL; stackend2 = stackhead2; } else { stack = (struct stackstruct )malloc(sizeof(struct stackstruct)); stack->id = p->id; stack->time = p->time; stackend2->next = stack; stack->pre = stackend2; stack->next = NULL; stackend2 = stack; } stack2count++; } }

struct stackstruct pop(int id, int time) { struct stackstruct stack; stack = (struct stackstruct *)malloc(sizeof(struct stackstruct));

if (stackend1->id != id)
{
    stack->id = stackend1->id;
    stack->time = stackend1->time;
    stack->pre = stackend1->pre;
    stackend1=NULL;
    stackend1 = stack->pre;
    stackend1->next = NULL;
    stack1count--;
}
else
{
    stack->id = stackend1->id;
    stack->time = stackend1->time;
    stack->pre = stackend1->pre;
    printf("%d号汽车出停车场\n",id);
    printf("停车场停留时间: %d\n",time - stack->time);
    printf("应该缴纳的费用(单价: 5): %d\n", 5 * (time - stack->time));
    stackend1=NULL;
    if (--stack1count == 0)
        stackend1 = stackhead1 = NULL;
    else
    {
        stackend1 = stack->pre;
        stackend1->next = NULL;
    }
    stack = NULL;
}
return stack;

}

struct stackstruct pop1()//栈2元素出栈 { struct stackstruct stack; stack = (struct stackstruct *)malloc(sizeof(struct stackstruct));

stack->id = stackend2->id;
stack->time = stackend2->time;
stack->pre = stackend2->pre;
free(stackend2);
stackend2 = stack->pre;
stack2count--;

return stack;

}

void Enqueue(struct stackstruct p)//入队 { struct queuestruct queue; if (queuecount == 0) { queuehead = (struct queuestruct )malloc(sizeof(struct queuestruct)); queuehead->id = p->id; queuehead->next = NULL; queueend = queuehead; } else { queue = (struct queuestruct )malloc(sizeof(struct queuestruct)); queue->id = p->id; queue->next = NULL; queueend->next = queue; queueend = queue; } queuecount++; }

struct stackstruct Dequeue(int time)//出队 { struct stackstruct stack; stack = (struct stackstruct *)malloc(sizeof(struct stackstruct));

stack->id = queuehead->id;
stack->time = time;
if (--queuecount == 0)
{
    queuehead = NULL;
    queueend = NULL;
}
else
    queuehead = queuehead->next;
return stack;

} int main() { int n; char s = {0}; struct stackstruct p; printf("输入狭长通道可停放汽车数量: "); scanf_s("%d", &n); getchar(); stack1count = stack2count = queuecount = 0; p = (struct stackstruct )malloc(sizeof(struct stackstruct)); printf("输入停车信息:(动作，车牌号，时间)\n"); while (scanf_s("%c,%d%d", &s,1, &p->id, &p->time) != EOF) { if (s =='E') { printf("End"); break; } if (s =='A') /汽车到达/ { if (stack1count < n) /栈未满，进栈操作/ { push(0, p); printf("%d号汽车进入停车场\n",p->id); printf("进入停车场时间: %d\n",stackend1->time); printf("停车位置: %d\n",stack1count); } else /栈满，进队列操作/ { Enqueue(p); printf("%d号汽车进入便道\n",p->id); printf("进入便道时间: %d\n",p->time); printf("便道位置: %d\n",queuecount); } } if (s =='D') /汽车离去/ { struct stackstruct *temp; while ((temp = pop(p->id, p->time)) != NULL) { push(1, temp); } while (stack2count != 0) { push(0, pop1()); } if (queuecount != 0) { push(0, Dequeue(p->time)); printf("%d号汽车进入停车场\n",stackend1->id); printf("进入时间: %d\n",stackend1->time); printf("停车位置: %d\n",stack1count); } } } return 0; } 我的博客即将同步至腾讯云+社区，邀请大家一同入驻：https://cloud.tencent.com/developer/support-plan?invite_code=hiyc3ueo3ntk