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GATE | Sudo GATE 2020 Mock II (10 January 2019) | Question 30

Given A, an array of size n, comprised of an increasing sequence of numbers followed immediately by a decreasing one. What is worst case time complexity of optimal algorithm to determine if a given number x is in the array ?

(A)

Θ(log n)

(B)

Θ(n)

(C)

Θ(n^2)

(D)

Θ(log n)^2

Answer

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