JZ25 合并两个排序的链表qaq

/*
 * function ListNode(x){
 *   this.val = x;
 *   this.next = null;
 * }
 */
/**
 * 代码中的类名、方法名、参数名已经指定，请勿修改，直接返回方法规定的值即可
 *
 *
 * @param pHead1 ListNode类
 * @param pHead2 ListNode类
 * @return ListNode类
 */
function ListNode(x) {
    this.val = x;
    this.next = null;
}
function Merge(pHead1, pHead2) {
    // write code here
    if (!pHead1) return pHead2;
    if (!pHead2) return pHead1;
    if (pHead1.val <= pHead2.val) {
        pHead1.next = Merge(pHead1.next, pHead2);
        return pHead1;
    } else {
        pHead2.next = Merge(pHead2.next, pHead1);
        return pHead2;
    }
}
module.exports = {
    Merge: Merge,
};

module.exports = {
    Merge: Merge,
};

合并两个排序的链表_牛客题霸_牛客网 (nowcoder.com)