摘要: Easy Given an n-ary tree, return the postorder traversal of its nodes' values. For example, given a 3-ary tree: Return its postorder traversal as: [5, 阅读全文
posted @ 2019-09-19 13:52 程嘿嘿 阅读(188) 评论(0) 推荐(0) 编辑