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What is the time complexity of the divide and conquer algorithm used to find the maximum sub-array sum?

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What is the time complexity of the divide and conquer algorithm used to find the maximum sub-array sum?

(a) O(n)

(b) O(logn)

(c) O(nlogn)

(d) O(n^2)

The question was posed to me by my school principal while I was bunking the class.

The question is from Maximum Sum of Continuous Subarray topic in chapter Dynamic Programming of Data Structures & Algorithms II

1 Answer

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Best answer
Right choice is (c) O(nlogn)

Best explanation: The time complexity of the divide and conquer algorithm used to find the maximum sub-array sum is O(nlogn).

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