Question: Write a method that takes two inputs: a two-dimensional array of integers representing an n by m matrix where all its columns and rows have

Write a method that takes two inputs: a two-dimensional array of integers representing an n by m matrix where all its columns and rows have been sorted in ascending order, and an integer. The method returns true if the given integer is an element of the matrix, false otherwise. Your method should run in O(m + n).

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