Скачать или смотреть Binary Tree in Java - 23: Print Top View of Binary Tree

Source Code: https://thecodingsimplified.com/print...

Solution:
We'll take verticle height of each node. For root it's 0 & if height - 1, if we're going right & height + 1, if we're going left
Take Queue & add root node into it
Now one by one remove item from queue & add into Tree map based on height as key. Add only key is not present in map
Do it until queue is empty
At last, print all values of map
Time Complexity: O(n)
Space Complexity: O(n)

Please check video for more info:

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