Leetcode
LC 450 & LC 669 LC 450 & LC 669
Solution to LeetCode 450 Delete Node is a BST, and LeetCode 669 Trim a Binary Search Tree. A binary search tree is a tr
2022-06-03 BST
Recursion
LC 501 & LC 530 & LC 701 LC 501 & LC 530 & LC 701
LeetCode 501 Find Mode in Binary Search Tree, LeetCode 530 Minimum Absolute Difference in BST, and LeetCode 701 Insert i
2022-06-02 BST
Stack Recursion
LC 700 & LC 98 & LC 235 LC 700 & LC 98 & LC 235
LeetCode 700 Search in a Binary Search Tree, LeetCode 98 Validate Binary Search Tree, and LeetCode 235 west Common Ances
2022-06-01 BST
Stack Recursion DFS BFS
LC 617 & LC 236 LC 617 & LC 236
Solution to LeetCode 617 Merge Two Binary Trees, and LeetCode 236 Lowest Common Ancestor of a Binary Tree. LeetCode 617
2022-05-31 Binary Tree
Recursion Queue
LC 105 & LC 106 & LC 654 LC 105 & LC 106 & LC 654
Solution to LeetCode 105 Construct Binary Tree from Preorder and Inorder Traversal, LeetCode 106 Construct Binary Tree f
2022-05-30 Binary Tree
Stack Recursion Queue DFS BFS
LC 112 & LC 113 LC 112 & LC 113
Solution to LeetCode 112 Path Sum and LeetCode 113 Path Sum II. LeetCode 112Path Sum (Easy) [link] 1] Recursive solution
2022-05-29 Binary Tree
Stack Recursion Queue DFS BFS
LC 404 & LC 513 LC 404 & LC 513
Solution to LeetCode 404 Sum of Left Leaves and LeetCode 513 Find Bottom Left Tree Value. LeetCode 404Sum of Left Leaves
2022-05-28 Binary Tree
Stack Recursion Queue DFS BFS
LC 222 & LC 110 & LC 257 LC 222 & LC 110 & LC 257
Solution to LeetCode 222 Count Complete Tree Nodes, LeetCode 110 Balanced Binary Tree, and LeetCode 257 Binary Tree Path
2022-05-27 Binary Tree
Stack Recursion Queue DFS BFS
LC 100 & LC 101 & LC 572 LC 100 & LC 101 & LC 572
Solution to LeetCode 100 Same Tree, LeetCode 101 Symmetric Tree, and LeetCode 572 Subtree of Another Tree. LeetCode 100S
2022-05-26 Binary Tree
Stack Recursion Queue DFS BFS
LC 226 & LC 106 LC 226 & LC 106
Solution to LeetCode 226 Invert Binary Tree and LeetCode 106 Construct Binary Tree from Inorder and Postorder Traversal.
2022-05-25 Binary Tree
Recursion Queue
LC 104 & LC 111 & LC 559 LC 104 & LC 111 & LC 559
Solution to LeetCode 104 Maximum Depth of Binary Tree, LeetCode 111 Minimum Depth of Binary Tree, and LeetCode 559 Maxim
2022-05-24 Binary Tree
Queue DFS BFS
LC 116 & LC 117 LC 116 & LC 117
Solution to LeetCode 116 Populating Next Right Pointers in Each Node and LeetCode 117 Populating Next Right Pointers in
2022-05-23 Binary Tree
Queue BFS
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