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Solution: The Number of the Smallest Unoccupied Chair

Explore how to solve the smallest unoccupied chair problem by implementing min heaps to manage chair availability dynamically. Understand sorting arrivals and using priority queues for efficient assignment and release, helping you master this common coding interview pattern with optimized time and space complexity.

Statement

At a party, nn friends, numbered from 00 to n1n - 1, arrive and leave at different times. There are infinitely many chairs, numbered 00 onwards. Each arriving friend sits on the smallest available chair at that moment.

For example, ...