Question: Let A[0...n][0...m] be a 2-dimensional array of integers. Cell A[i][j] is called a peak element if its value is greater than or equal to

Let A[0...n][0...m] be a 2-dimensional array of integers. Cell A[i][j] is called a peak element if its value is greater than or equal to its four neighbors: above, below, left and right. For corner cells (e.g., A[0][j], A[i][0]), assume that non-existing neighbor contains -. Your task is to find a peak element from a 2D array. Notice that there should be at least one such element and there might be multiple peaks. (a) Outline a brute-force solution and analyze its complexity. (b) Devise and develop a divide and conquer solution and analyze its complexity.

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