<ul><li>Given a binary tree, we need to find the difference between the sum of the nodes at odd levels and the sum of the nodes at even levels.</li><li>The problem can be solved using recursive traversal.</li><li>We calculate the sum of nodes at odd levels and even levels separately by traversing the tree recursively.</li><li>Finally, we return the difference between the sum of nodes at odd levels and the sum of nodes at even levels.</li></ul>

Get difference between values at Even and Odd level in a binary tree

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