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Finish Tree section of LC problems

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Wahoo! I need to remember that the inorder traversal of a BST should be
sorted. This piece of trivia comes in handy for a variety of BST related
problems.

I also think being able to do a {pre,in,post}-order traversal recursively and
iteratively is a skill that I need to develop.
This commit is contained in:
William Carroll 2020-12-25 03:56:44 +00:00
parent 93d7b5d8ea
commit 1783f371e9
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@ -140,11 +140,11 @@
https://leetcode.com/problems/serialize-and-deserialize-binary-tree/ https://leetcode.com/problems/serialize-and-deserialize-binary-tree/
** DONE Subtree of Another Tree ** DONE Subtree of Another Tree
https://leetcode.com/problems/subtree-of-another-tree/ https://leetcode.com/problems/subtree-of-another-tree/
** TODO Construct Binary Tree from Preorder and Inorder Traversal ** DONE Construct Binary Tree from Preorder and Inorder Traversal
https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/ https://leetcode.com/problems/construct-binary-tree-from-preorder-and-inorder-traversal/
** TODO Validate Binary Search Tree ** DONE Validate Binary Search Tree
https://leetcode.com/problems/validate-binary-search-tree/ https://leetcode.com/problems/validate-binary-search-tree/
** TODO Kth Smallest Element in a BST ** DONE Kth Smallest Element in a BST
https://leetcode.com/problems/kth-smallest-element-in-a-bst/ https://leetcode.com/problems/kth-smallest-element-in-a-bst/
** DONE Lowest Common Ancestor of BST ** DONE Lowest Common Ancestor of BST
https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/ https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/