GATE CSE 2015 Set 2 | Trees Question 27 | Data Structures

Data Structures

Arrays

Marks 1 Marks 2

Stacks and Queues

Linked List

Trees

Graphs

Hashing

GATE CSE 2015 Set 2

Numerical

-0

A binary tree $$T$$ has $$20$$ leaves. The number of nodes in $$T$$ having two children is _______________.

Your input ____

GATE CSE 2015 Set 1

MCQ (Single Correct Answer)

-0.3

The height of a tree is the length of the longest root-to-leaf path in it. The maximum and minimum number of nodes in a binary tree of height 5 are

63 and 6, respectively

64 and 5, respectively

32 and 6, respectively

31 and 5, respectively

GATE CSE 2015 Set 1

MCQ (Single Correct Answer)

-0.3

Which of the following is/are correct inorder traversal sequence(s) of binary search tree(s)?

I. 3, 5, 7, 8, 15, 19, 25
II. 5, 8, 9, 12, 10, 15, 25
III. 2, 7, 10, 8, 14, 16, 20
IV. 4, 6, 7, 9 18, 20, 25

I and IV only

II and III only

II and IV only

II only

GATE CSE 2015 Set 1

MCQ (Single Correct Answer)

-0.3

What are the worst-case complexities of insertion and deletion of a key in a binary search tree?

$$\Theta \left( {\log n} \right)$$ for both insertion and deletion

$$\Theta \left( n \right)$$ for both insertion and deletion

$$\Theta \left( n \right)$$ for insertion and $$\Theta \left( {\log n} \right)$$for deletion

$$\Theta \left( {\log n} \right)$$ for insertion and $$\Theta \left( n \right)$$ for deletion

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GATE CSE Subjects

Theory of Computation

Operating Systems

Algorithms

Digital Logic

Database Management System

Data Structures

Computer Networks

Software Engineering

Compiler Design

Web Technologies

General Aptitude

Discrete Mathematics

Programming Languages

Computer Organization