2020年7月11日
430. Flatten a Multilevel Doubly Linked List
摘要： You are given a doubly linked list which in addition to the next and previous pointers, it could have a child pointer, which may or may not point to a 阅读全文
posted @ 2020-07-11 03:35 Schwifty 阅读(166) 评论(0) 推荐(0)