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Solution: Lucky Numbers in a Matrix

Explore how to identify lucky numbers in a matrix by understanding the conditions that define them. Learn to implement an efficient algorithm that finds elements smallest in their row and largest in their column, helping you master matrix analysis and related graph techniques.

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Statement

Given an m×nm \times n matrix of distinct numbers, return the lucky number in the matrix.

A lucky number is an element of the matrix such that it is the smallest element in its row and largest in its column.

Constraints:

  • m=m = matrix.length

  • n=n = ...