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A-2-3 tree is a tree such that 1. All internal nodes have either 2 or 3 children. 2. All paths from root to the leaves have the same length. The number of internal nodes of a 2-3 tree having 9 leaves could be

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In how many different ways can a tree be traversed?

Two ways

Three ways

One way

It cannot be traversed

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What is the space complexity of the in-order traversal in the recursive fashion? (d is the tree depth and n is the number of nodes)

O(1)

O(nlogd)

O(logd)

O(d)

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What is the space complexity of the post-order traversal in the recursive fashion? (d is the tree depth and n is the number of nodes)

O(1)

O(nlogd)

O(logd)

O(d)

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MCQ

Consider the below left-left rotation pseudo code where the node contains value pointers to left, right child nodes and a height value and Height() function returns height value stored at a particular node.
What is missing?

avltree leftrotation(avltreenode z):
   avltreenode w =x-left
   x-left=w-right
   w-right=x
   x-height=max(Height(x-left),Height(x-right))+1 
   w-height=max(missing)+1   
  return w

Height(w-left), x-height

Height(w-right), x-height

Height(w-left), x

Height(w-left)

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MCQ

Which of the following options is an application of splay trees?

cache Implementation

networks

send values

receive values

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Banking

Engineering

General

Medical

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Abstract data types

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Trees

Binary Trees

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Heaps

Hash based structures

Graphs

Mixed

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Engineering

General

Medical

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category More Data Structure Topics

Data Structure Basics

Abstract data types

Arrays

Lists

Stacks

Queues

Trees

Binary Trees

B Trees

Heaps

Hash based structures

Graphs

Mixed

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More Data Structure Topics