0001
01-01
[111. Minimum Depth of Binary Tree](https://leetcode-cn.com/problems/minimum-depth-of-binary-tree/)
01-01
[104. Maximum Depth of Binary Tree](https://leetcode-cn.com/problems/maximum-depth-of-binary-tree/)
01-01
[103. 二叉树的锯齿形层序遍历](https://leetcode-cn.com/problems/binary-tree-zigzag-level-order-traversal/)
01-01
[1018. Binary Prefix Divisible By 5](https://leetcode-cn.com/problems/binary-prefix-divisible-by-5/)
01-01
3 的幂 (Power of Three)