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GATE | GATE CS 2021 | Set 1 | Question 12

Let P be an array containing n integers. Let t be the lowest upper bound on the number of comparisons of the array elements, required to find the minimum and maximum values in an arbitrary array of n elements. Which one of the following choices is correct?

(A)

t>2n−2

(B)

t>3⌈n/2⌉ and t≤2n−2

(C)

t>n and t≤3⌈n/2⌉

(D)

t>⌈log2(n)⌉ and t≤n

Answer

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