Leetcode Problem 662. Maximum Width of Binary Tree

662. Maximum Width of Binary Tree

Leetcode Solutions

Initialize a queue with a tuple containing the root node and its index (0).
Initialize max_width to 0 to keep track of the maximum width found.
While the queue is not empty, process nodes level by level.
Record the number of nodes at the current level (size of the queue).
For each node in the current level, pop it from the queue and obtain its index.
If it's the first node of the level, record its index as left_index.
If it's the last node of the level, use its index and left_index to update max_width.
Push the left and right children of the current node into the queue with their respective indices if they are not null.
Continue until the queue is empty.
Return max_width as the result.

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