GATE CSE 2006 | Searching and Sorting Question 26 | Algorithms

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GATE CSE 2006

MCQ (Single Correct Answer)

-0.3

Which one of the following in place sorting algorithms needs the minimum number of swaps?

Quick sort

Insertion sort

Selection sort

Heap sort

GATE CSE 2006

MCQ (Single Correct Answer)

-0.3

An element in an array X is called a leader if it is greater than all elements to the right of it in X. The best algorithm to find all leaders in an array

Solves it in linear time using a left to right pass of the array

Solves it in linear time using a right to left pass of the array

Solves it using divide and conquer in time $$\theta \left( {n\log n} \right)$$

Solves it in time $$\theta \left( {{n^2}} \right)$$

GATE CSE 2004

MCQ (Single Correct Answer)

-0.3

The tightest lower bound on the number of comparisons, in the worst case, for comparison-based sorting is of the order of

$$n$$

$${n^2}$$

$$n\log n$$

$$n{\log ^2}n$$

GATE CSE 2003

MCQ (Single Correct Answer)

-0.3

In a heap with n elements with the smallest element at the root, the 7^th smallest element can be found in time

$$\Theta (n \log n)$$

$$\Theta (n)$$

$$\Theta(\log n)$$

$$\Theta(1)$$

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GATE CSE Subjects

Discrete Mathematics

Graph Theory Set Theory & Algebra Combinatorics Mathematical Logic Probability Linear Algebra Calculus

Programming Languages

Basic of Programming Language Function and Recursion Pointer and Structure in C

Theory of Computation

Finite Automata and Regular Language Push Down Automata and Context Free Language Recursively Enumerable Language and Turing Machine Undecidability

Operating Systems

Process Concepts and Cpu Scheduling Synchronization and Concurrency Deadlocks Memory Management File System IO and Protection

Digital Logic

K Maps Boolean Algebra Combinational Circuits Number Systems Sequential Circuits

Computer Organization

Computer Arithmetic Memory Interfacing Pipelining Machine Instructions and Addressing Modes Alu Data Path and Control Unit IO Interface Secondary Memory

Database Management System

Structured Query Language Transactions and Concurrency Functional Dependencies and Normalization Relational Algebra File Structures and Indexing Er Diagrams

Data Structures

Arrays Stacks and Queues Linked List Trees Graphs Hashing

Computer Networks

Network Security Data Link Layer and Switching Application Layer Protocol Network Layer Routing Algorithm Concepts of Layering Lan Technologies and Wi-Fi TCP UDP Sockets and Congestion Control

Algorithms

Complexity Analysis and Asymptotic Notations Searching and Sorting Divide and Conquer Method Greedy Method Dynamic Programming P and NP Concepts

Compiler Design

Lexical Analysis Parsing Syntax Directed Translation Code Generation and Optimization

Software Engineering

Web Technologies

General Aptitude

Numerical Ability Verbal Ability