Question: Peak in an integer array A is A [ i ] , when A [ i ] is not less than it s adjacent elements.

Peak in an integer array A is A[i], when A[i] is not less than its adjacent elements. Similarly, peak in a 2D integer array A is A[i][j], when it is not less than its atmost 4 adjacent elements (top, right, bottom, left).(15)
(a) Does a 2D array always contain a peak?
(b) Suggest a Divide & Conquer method to identify a peak. Explain your method and its time complexity.

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