Merge two sorted linked lists and return it as a new list. The new list should be made by splicing t ...

原题链接在这里：https://leetcode.com/problems/insert-into-a-sorted-circular-linked-list/ 题目： Given a node ...

Reverse a singly linked list. click to show more hints. Hint: A linked list can be reversed ei ...

原题链接在这里：https://leetcode.com/problems/flatten-a-multilevel-doubly-linked-list/description/ 题目： You ...