LinkedInjuniormar. de 2026
Similar to Leetcode 277 celebrity problem with a variation of input given as a 2D matrix.
Given n people and an API knows(a, b), find the celebrity — someone who is known by everyone else but who knows no one — or return -1 if none exists. The core challenge is to identify the candidate with minimal knows() calls (typically via pairwise elimination) and then verify incoming/outgoing relationships in O(n) time and O(1) space.
Use esses exemplos para entender em que contexto ela costuma cair e adaptar sua prática.
Similar to Leetcode 277 celebrity problem with a variation of input given as a 2D matrix.
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