LuLu[LeetCode] 297. Serialize and Deserialize Binary Tree — Tree — Hardhttps://leetcode.com/problems/serialize-and-deserialize-binary-tree/Sep 27, 2023Sep 27, 2023
LuLu[LeetCode] 124. binary-tree-max-path-sum — Tree — Mediumhttps://leetcode.com/problems/binary-tree-maximum-path-sum/description/Sep 26, 2023Sep 26, 2023
LuLu[LeetCode] 105. Construct Binary Tree from Preorder and Inorder Traversal — Tree — Mediumhttps://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/Sep 25, 2023Sep 25, 2023
LuLu[LeetCode] 230. Kth Smallest Element in a BST — Tree — Mediumhttps://leetcode.com/problems/kth-smallest-element-in-a-bst/description/Sep 22, 2023Sep 22, 2023
LuLu[LeetCode] 98. Validate Binary Search Tree — Tree — Mediumhttps://leetcode.com/problems/validate-binary-search-tree/description/Sep 21, 2023Sep 21, 2023
LuLu[LeetCode] 1448. Count Good Nodes in Binary Tree — Tree — MediumQuestion:Sep 20, 2023Sep 20, 2023
LuLu[LeetCode] 199. Binary Tree Right Side View —Tree — Mediumhttps://leetcode.com/problems/binary-tree-right-side-view/description/Sep 19, 2023Sep 19, 2023
LuLu[LeetCode] 102. Binary Tree Level Order Traversal — Tree — Mediumhttps://leetcode.com/problems/binary-tree-level-order-traversal/Sep 18, 2023Sep 18, 2023
LuLu[LeetCode] 235. Lowest Common Ancestor of a Binary Search Tree — Tree — Easyhttps://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/Sep 15, 2023Sep 15, 2023
LuLu[LeetCode] 572. Subtree of Another Tree — Tree — Easyhttps://leetcode.com/problems/subtree-of-another-tree/description/Sep 14, 2023Sep 14, 2023