Binary Tree Right Side View

Given a binary tree, imagine yourself standing on the right side of it, return the values of the nodes you can see ordered from top to bottom. Example: Input: [1,2,3,null,5,null,4] Output: [1, 3, 4] Explanation: 1 <— / \ 2 3 <— \ \ 5 4 <— Solution Perform Level Order traversal with simple condition Time Complexity: O(n) Space …

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