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GATE | GATE MOCK 2017 | Question 46

Given two Balanced binary search trees, B1 having n elements and B2 having m elements, what is the time complexity of the best known algorithm to merge these trees to form another balanced binary tree containing m+n elements ?

(A)

O(m+n)

(B)

O(mlogn)

(C)

O(nlogm)

(D)

O(m2 + n2)

Answer

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