Question Discussion & Solution

MCQ

The pre-order and post order traversal of a Binary Tree generates the same output. The tree can have maximum

Three nodes

Two nodes

One node

Any number of nodes

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MCQ

In a full binary tree if there are L leaves, then total number of nodes N are?

N = 2L

N = L + 1

N = L

N = 2L

Discussion

MCQ

A full binary tree with n leaves contains

n nodes

log n 2 nodes

2 nodes

Discussion

MCQ

Which of the following is correct with respect to binary trees?

Let T be a binary tree. For every k ? 0, there are no more than 2k nodes in level k

Let T be a binary tree with ? levels. Then T has no more than 2?

Let T be a binary tree with N nodes. Then the number of levels is at least ceil(log (N + 1))

All of the mentioned

Discussion

MCQ

A binary tree can easily be converted into a 2-tree

by replacing each empty sub tree by a new internal node

by inserting an internal nodes for non-empty node

by inserting an external nodes for non-empty node

by replacing each empty sub tree by a new external node

Discussion

MCQ

If each node in a tree has value greater the every value in its left subtree and has value less than every value in its right subtree, the tree is called

AVL tree

Complete tree

Full binary tree

Binary search tree

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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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