Web Reference: At each step in the recursion, we check if the current nodes in both trees are either null or have the same value. If one node is null while the other is not, or if their values differ, we return false. The key insight is that two trees are the same if and only if their roots match AND their corresponding subtrees match. This breaks down the problem into smaller subproblems of the same type - comparing smaller trees. Given the roots of two binary trees p and q, write a function to check if they are the same or not. Two binary trees are considered the same if they are structurally identical, and the nodes have the same value.
YouTube Excerpt: I have created a simple explanation of the LeetCode problem with live coding and dry run. Hope you liked it. #
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