翻译合并两个排好序的链表,并返回这个新链表。新链表应该由这两个链表的头部拼接而成。原文Merge two sorted linked lists and return it as a new list.The new list should be made by splicing together the nodes of the first two lists.代码/** * Definition for singly-linked list. * struct ListNode { * int val; * ListNode *next;