Search in a Matrix

Find the position of a given key in a 2D matrix in which all rows and columns are sorted.

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Statement

Given a 2D array where all elements in any individual row or column are sorted. Find the position of a given key in such a matrix. If the key is not present in the matrix, return (−1,−1)(-1, -1).

Example

The following example elaborates on this problem:

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