Prune Unary nodes to form Full Binary Tree

Range XOR Queries with Subarray Reversals

Amount of Time for Binary Tree to Be Infected

All Elements in Two Binary Search Trees

Longest ZigZag Path in a Binary Tree

Maximum Product of Splitted Binary Tree

Maximum Sum BST in Binary Tree

Lowest Common Ancestor of Deepest Leaves

Construct Binary Tree from Preorder and Postorder Traversal

Recover a Tree From Preorder Traversal

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