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Data Structure and Algorithms: Recursive Algorithms

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Questions and Answers

What are the two main components of a recursive algorithm?

Base case and general case (correct)
Base case and iterative case
Recursive case and dynamic case
Backtracking case and greedy case

What is recursion in algorithmic terms?

A process in which an algorithm never calls itself.
A one-time process in which an algorithm solves a problem.
A repetitive process in which an algorithm calls itself. (correct)
A process in which an algorithm only uses loops.

What is the purpose of the base case in a recursive algorithm?

To calculate the final result
To stop the recursion (correct)
To handle the recursive case
To initialize the variables

What is the difference between a recursive and an iterative solution?

Recursive solutions use recursion, while iterative solutions use loops (B) Signup and view all the answers

What is the purpose of drawing trees to illustrate callings and the value of parameters passed to them?

To illustrate the recursive approach. (C) Signup and view all the answers

What is the purpose of the gcd function in the Euclidean algorithm?

To calculate the greatest common divisor of two numbers (B) Signup and view all the answers

What can be developed to compare the recursive and the iterative approach?

An experiment (program). (C) Signup and view all the answers

What is an example of a recursive function written in C/C++?

Factorial function. (B) Signup and view all the answers

What is the result of the gcd(12, 18) function?

6 (A) Signup and view all the answers

What is the recursive formula for the factorial function?

F(n) = n × F(n - 1) (D) Signup and view all the answers

What is related to the backtracking technique?

Recursion. (B) Signup and view all the answers

Who is the lecturer for the Data Structure and Algorithms [CO2003] course?

Duc Dung Nguyen, PhD. (D) Signup and view all the answers

What is the primary goal of the Towers of Hanoi Algorithm?

To move disks from source to destination using the minimum number of moves (C) Signup and view all the answers

What is the definition of backtracking in the context of algorithms?

A process to go back to previous steps to try unexplored alternatives (D) Signup and view all the answers

What is the main objective of the Eight Queens Problem?

To place eight queens on the chess board in a way that no queen can capture another (C) Signup and view all the answers

What is the approach used in the Towers of Hanoi Algorithm to solve the problem?

Recursion (B) Signup and view all the answers

What is the purpose of the putQueen function in the Eight Queens Problem Algorithm?

To place remaining queens safely from a row of a chess board (A) Signup and view all the answers

What is the common technique used in the Eight Queens Problem and the Towers of Hanoi Algorithm?

Recursion (A) Signup and view all the answers

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