Very hard Difficulty
Very-hard questions are the ultimate test of your expertise and preparation. They demand not just knowledge, but creativity and strategic thinking, often addressing unique or highly technical aspects of your field.
Coding question
Coding questions assess your programming abilities and thought process. Showcase your problem-solving approach, coding style, knowledge of data structures, and ability to write clean, efficient, and maintainable code.
Here's a Hint
Consider a recursive approach that computes the maximum path sum from each subtree to its leaf, then combines these values through the root.
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