摘要: Source Given a binary tree, return the preorder traversal of its nodes' values. Note Given binary tree {1,#,2,3}, 1 \ 2 / 3 return [1,2,3]. Example Ch 阅读全文
posted @ 2023-08-12 22:28 凌雨尘 阅读(10) 评论(0) 推荐(0) 编辑