在本地运行OK，结果也是对的，提交到oj上就运行错误了😭

Question

题目网址：https://www.dotcpp.com/oj/problem1676.html

#include <stdio.h>
#include <stdlib.h>

struct node {
    int data;
    struct node *next;
};

typedef struct node NODE;

NODE *creat(int n) {
    NODE *h, *p, *q;
    int i, flag = 0;
    h = (NODE *)malloc(sizeof(NODE));
    p = h;
    for (i = 0; i < n; i++) {
        q = (NODE *)malloc(sizeof(NODE));
        scanf("%d", &q->data);
        if (flag == 0) {
            p->next = q;
            p = q;
            p->next = NULL;
            flag = 1;
        } else {
            h->next = q;
            q->next = p;
            p = q;
        }
    }
    return h;
}

void get_(NODE *h, int x) {
    NODE *p;
    int i;
    p = h;
    for (i = 0; i < x; i++) {
        p = p->next;
        if (p == NULL)
            break;
    }
    if (p != NULL)
        printf("%d\n", p->data);
    else
        printf("get fail\n");
}

void insert_(NODE *h, int x, int y) {
    NODE *p, *q;
    int i = 0;
    p = h;
    while (p != NULL && i < x - 1) {
        p = p->next;
        i++;
    }
    if (i < x - 1)
        printf("insert fail\n");
    else {
        q = (NODE *)malloc(sizeof(NODE));
        q->data = y;
        q->next = p->next;
        p->next = q;
        printf("insert OK\n");
    }
}

void delete_(NODE *h, int x) {
    NODE *p, *q;
    int i = 0;
    p = h;
    while (p->next != NULL && i < x - 1) {
        p = p->next;
        i++;
    }
    if (p->next == NULL)
        printf("delete fail\n");
    else {
        printf("delete OK\n");
        q = p->next;
        p->next = q->next;
        free(q);
    }
}

void show_(NODE *h) {
    NODE *p;
    p = h;
    if (p->next == NULL)
        printf("Link list is empty\n");
    else {
        p = p->next;
        do {
            printf("%d ", p->data);
            p = p->next;
        } while (p != NULL);
        printf("\n");
    }
}

int main() {
    int n, m, x, y;
    char a[10] = {0};
    scanf("%d", &n);
    NODE *h;
    h = creat(n);
    scanf("%d", &m);
    for (int i = 0; i < m; i++) {
        scanf("%s", a);
        if (a[0] == 'g') {
            scanf("%d", &x);
            get_(h, x);
        } else if (a[0] == 'i') {
            scanf("%d%d", &x, &y);
            insert_(h, x, y);
        } else if (a[0] == 'd') {
            scanf("%d", &x);
            delete_(h, x);
        } else if (a[0] == 's')
            show_(h);
    }
    return 0;
}

Answer 1

你觉得 OJ 上面的测试用例和你本地的测试用例有什么区别么？