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Grokking the Coding Interview Patterns in C++

Lucky Numbers in a Matrix

Explore how to solve the lucky number problem in a matrix by applying graph theory concepts. Understand how to identify elements that are minimal in their row and maximal in their column by leveraging graph patterns and matrix traversal 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:

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