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element table表格树形数据展示

言诗把酒 2024-08-12 阅读 7

题目:

题解:

struct ListNode* oddEvenList(struct ListNode* head) {
    if (head == NULL) {
        return head;
    }
    struct ListNode* evenHead = head->next;
    struct ListNode* odd = head;
    struct ListNode* even = evenHead;
    while (even != NULL && even->next != NULL) {
        odd->next = even->next;
        odd = odd->next;
        even->next = odd->next;
        even = even->next;
    }
    odd->next = evenHead;
    return head;
}
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