› 精華區beta Marginalman 關於我們 聯絡資訊
看板 精華區
◇ Eazy
◆ 100. Same Tree
◆ 104. Maximum Depth of Binary Tree
◆ 110. Balanced Binary Tree
◆ 111. Minimum Depth of Binary Tree
◆ 112. Path Sum
◆ 144. Binary Tree Preorder Traversal
◆ 226. Invert Binary Tree
◆ 653. Two Sum IV - Input is a BST
◆ 783. Minimum Distance Between BST Node
◆ 872. Leaf-Similar Trees
◆ 938. Range Sum of BST
◇ Medium
◆ 103. Binary Tree Zigzag Level Order Traversal
◆ 113. Path Sum II
◆ 222. Count Complete Tree Nodes
◆ 235. Lowest Common Ancestor of a Binary Search Tree
◆ 427. Construct Quad Tree
◆ 530. Minimum Absolute Difference in BST
◆ 623. Add One Row to Tree
◆ 652. Find Duplicate Subtrees
◆ 662. Maximum Width of Binary Tree
◆ 863. All Nodes Distance K in Binary Tree
◆ 894. All Possible Full Binary Trees
◆ 958. Check Completeness of a Binary Tree
◆ 1026. Maximum Difference Between Node and Ancestor
◆ 1161. Maximum Level Sum of a Binary Tree
◆ 1339. Maximum Product of Splitted Binary Tree
◆ 1372. Longest ZigZag Path in a Binary Tree
◆ 1443. Minimum Time to Collect All Apples in a Tree
◆ 1457. Pseudo-Palindromic Paths in a Binary Tree
◆ 1519. Number of Nodes in the Sub-Tree With the Same La
◆ 2265. Count Nodes Equal to Average of Subtree
◇ Hard
◆ 124. Binary Tree Maximum Path Sum
◆ 1569. Number of Ways to Reorder Array to Get Same BST
◆ 2246. Longest Path With Different Adjacent Characters
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