2019年11月5日
257. Binary Tree Paths
摘要： Given a binary tree, return all root-to-leaf paths. Note: A leaf is a node with no children. Example: Input: 1 / \ 2 3 \ 5 Output: ["1->2->5", "1->3"] 阅读全文
posted @ 2019-11-05 14:05 Schwifty 阅读(105) 评论(0) 推荐(0)