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MCQ

Consider a sequence of numbers to have repetitions, how a cartesian tree can be constructed in such situations without violating any rules?

use any tie-breaking rule between repeated elements

cartesian tree is impossible when repetitions are present

construct a max heap in such cases

construct a min heap in such cases

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all basic operations

set intersection, set union and subset test

only insertion and deletion

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Why Red-black trees are preferred over hash tables though hash tables have constant time complexity?

no they are not preferred

because of resizing issues of hash table and better ordering in redblack trees

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In how many different ways can a tree be traversed?

Two ways

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One way

It cannot be traversed

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In an arbitrary tree ( not a search tree) of order M. Its size is N, and its height is K. The computation time needed to find a data item on T is

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