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LeetCode #102: Binary Tree Level Order Traversal

https://leetcode.com/problems/binary-tree-level-order-traversal/description/ To solve the problem, we will use a breadth-first search (BFS) approach. We will use a queue to keep…

LeetCode #235: Lowest Common Ancestor of a Binary Search Tree

https://leetcode.com/problems/lowest-common-ancestor-of-a-binary-search-tree/ To solve the LeetCode problem “Lowest Common Ancestor of a Binary Search Tree,” we need to find the lowest…

LeetCode #572: Subtree of Another Tree

https://leetcode.com/problems/subtree-of-another-tree/ To solve the LeetCode problem “Subtree of Another Tree”, we need to determine whether the given binary tree subRoot…

LeetCode #100: Same Tree

https://leetcode.com/problems/same-tree/ This problem requires us to check whether two given binary trees are identical or not. In other words, we…

LeetCode #104: Maximum Depth of Binary Tree

https://leetcode.com/problems/maximum-depth-of-binary-tree/ The problem asks us to find the maximum depth of a binary tree, which is defined as the number…

LeetCode #226: Invert Binary Tree

https://leetcode.com/problems/invert-binary-tree/ Invert Binary Tree is a famous algorithmic problem that involves modifying a binary tree. Given a binary tree, the…

LeetCode #23: Merge k Sorted Lists

https://leetcode.com/problems/merge-k-sorted-lists/description/ To solve this problem, we can use a min heap to keep track of the minimum element from each…

LeetCode #141: Linked List Cycle

https://leetcode.com/problems/linked-list-cycle/description/ To solve this problem, we can use the two-pointer technique. We will have two pointers, a slow pointer and…