摘要:
原题链接在这里:https://leetcode.com/problems/n-ary-tree-postorder-traversal/ 题目: Given the root of an n-ary tree, return the postorder traversal of its nodes 阅读全文
摘要:
原题链接在这里:https://leetcode.com/problems/n-ary-tree-preorder-traversal/ 题目: Given the root of an n-ary tree, return the preorder traversal of its nodes' 阅读全文