Maximum XOR of Two Non-Overlapping Subtrees

Solve Maximum XOR of Two Non-Overlapping Subtrees.

Examples
Input: []
Output: 0
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Maximum XOR of Two Non-Overlapping Subtrees

Solve **Maximum XOR of Two Non-Overlapping Subtrees**. This entry was scaffolded in Trie Mastery migration and should be refined with full statement/examples.