●235.二叉搜索樹的最近公共祖先 題目鏈接:https://leetcode.cn/problems/lowest-common-ancest...
●530.二叉搜索樹的最小絕對差 題目:https://leetcode.cn/problems/minimum-absolute-differ...
654.最大二叉樹 題目鏈接:https://leetcode.cn/problems/maximum-binary-tree/submissi...
513.找樹左下角的值 題目鏈接:https://leetcode.cn/problems/find-bottom-left-tree-valu...
●110.平衡二叉樹 題目鏈接:https://leetcode.cn/problems/balanced-binary-tree/[https...
104.二叉樹的最大深度 題目鏈接:https://leetcode.cn/problems/maximum-depth-of-binary-t...
層序遍歷: 102.二叉樹的層序遍歷 https://leetcode.cn/problems/binary-tree-level-order-...
239. 滑動窗口最大值 題目鏈接:https://leetcode.cn/problems/sliding-window-maximum/[h...
20. 有效的括號 題目鏈接:https://leetcode.cn/problems/valid-parentheses/[https://l...