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Grokking the Coding Interview Patterns in C#

Lucky Numbers in a Matrix

Explore how to find lucky numbers in a matrix, defined as elements smallest in their row and largest in their column. Understand the problem constraints and develop an algorithmic solution relevant to graph-based problem solving.

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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:

  • ...