What is the runtime efficiency of using brute force technique for the closest pair problem?(a) O(N)(b) O(N log N)(c) O(N^2)(d) O(N^3log N)I got this question in class test.The origin of the question is Computational Geometry in portion Computational Geometry of Data Structures & Algorithms II

What is the runtime efficiency of using brute force technique for the

1.	What is the runtime efficiency of using brute force technique for the closest pair problem?(a) O(N)(b) O(N log N)(c) O(N^2)(d) O(N^3log N)I got this question in class test.The origin of the question is Computational Geometry in portion Computational Geometry of Data Structures & Algorithms II
Answer» Right answer is (c) O(N^2) Easy EXPLANATION - The efficiency of closest pair algorithm by BRUTE force TECHNIQUE is MATHEMATICALLY found to be O(N^2).

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