Demonstrate all the questions on LeetCode in the form of animation.（用动画的形式呈现解LeetCode题目的思路） - MisterBooo/LeetCodeAnimation ...

Given an n-ary tree, return the preorder traversal of its nodes' values. For example, given a 3-ary tree: Return its preorder traversal as: [1,3,5,6,2,4]. Note: Recursive solution is trivial, could ...