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Solution: Koko Eating Bananas

Explore how to solve the Koko Eating Bananas problem using modified binary search. Learn to find the minimum eating speed required for Koko to finish all banana piles within a given time. Understand the monotonic behavior of the problem and how to apply binary search to optimize time complexity. This lesson helps you develop techniques to analyze problem constraints and implement efficient solutions for similar coding interview challenges.

Statement

Koko has nn piles of bananas in front of her, where the ithi^{th} pile has piles[i] bananas. The guards have left and will return in h hours, and Koko must finish all the bananas before they come back.

Before eating, Koko chooses an integer as an eating speed kk ...