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Solution: Find the Celebrity

Explore how to find a celebrity in a gathering by using a stack data structure and a binary matrix representation. Understand the step-by-step method to narrow down and verify a celebrity based on who knows whom. This lesson teaches an efficient algorithm with O(N) time complexity, helping you prepare practical coding solutions for interviews.

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Statement

In a gathering of NN individuals (labeled from 00 to N1N-1), there’s a possibility of one person being a celebrity. A celebrity is characterized by being known by everyone else and not knowing any attendees. This scenario is represented using an N×N ...