State true of false.i) A node is a parent if it has successo...

MCQ

State true of false.i) A node is a parent if it has successor nodes.ii) A node is child node if out degree is one.

True, True

True, False

False, True

False, False

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What is missing in this logic of finding a path in the tree for a given sum (i.e checking whether there will be a path from roots to leaf nodes with given sum)?

checkSum(struct bin-treenode *root , int sum) :
  if(root==null)
    return sum as 0
  else :
     leftover_sum=sum-root_node-->value
     //missing

code for having recursive calls to either only left tree or right trees or to both subtrees depending on their existence

code for having recursive calls to either only left tree or right trees

code for having recursive calls to either only left tree

code for having recursive calls to either only right trees

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MCQ

Each node of a tree stores a data value and has zero or more pointers pointing to the other nodes of the tree, which are also known as its__________.

Child nodes

Leaf nodes

Root

None of the above

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Level of any node of a tree is

Height of its left subtree minus height of its right subtree

Height of its right subtree minus height of its left subtree

Its distance from the root

None of these

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Which of the following remarks about Tree- indexing are true?

It is an m-ary tree

Successful searches should terminate in leaf nodes

Unsuccessful searches may terminate in leaf nodes level of the tree structure

All of these

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In binary heap, whenever the root is removed then the rightmost element of last level is replaced by the root. Why?

It is the easiest possible way.

To make sure that it is still complete binary tree.

Because left and right subtree might be missing.

None of the above.

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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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