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Binary Search Tree (BST) and Recursive Functions

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Binary Search Tree (BST) and Recursive Functions

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Questions and Answers

What is the main characteristic of a recursive method?

It uses a stopping condition (base case) to terminate the recursion. (correct)

It can only be implemented in certain programming languages.

It can only be called once.

It consumes large amounts of storage.

What is a disadvantage of using recursive techniques?

It is provided in all programming languages.

It is easy to implement for problems that are naturally recursive.

It is not efficient in storage usage. (correct)

It reduces the use of variables.

In the given example, what is the 4th term of the series of Triangular Number?

10 (correct)

What does the base case in a recursive method represent?

The condition that prevents infinite recursion. (D) Signup and view all the answers

Why are not all problems suitable for solving using recursive techniques?

Because they are not efficient for all types of problems. (A) Signup and view all the answers

What does the recursive step in a method involve?

Repeating calls to the method with arguments that will eventually reach a stopping condition. (D) Signup and view all the answers

Which characteristic is NOT an advantage of using recursive techniques?

Efficient in storage usage (C) Signup and view all the answers

What impact does using recursive techniques have on variable usage?

Reduces the use of variables. (D) Signup and view all the answers

What is the primary purpose of an if-else statement in a recursive method?

To distinguish between the stopping condition and a recursive step. (A) Signup and view all the answers

Which statement best describes the implementation of a base case in a recursive method?

It indicates when to stop the recursion. (A) Signup and view all the answers

What is recursion in programming?

A method that calls itself with different argument value each time (C) Signup and view all the answers

What is the base case in recursion?

The condition that causes the recursive method to return without calling itself (C) Signup and view all the answers

Why might a recursive approach be inefficient in some cases?

It calls itself excessively and consumes more memory (A) Signup and view all the answers

What happens if a recursive method lacks a base case?

It runs forever (infinite loop) (B) Signup and view all the answers

What does recursion require to have for each argument?

One or more stopping conditions (base cases) (A) Signup and view all the answers

What is the relationship between recursion and a stack?

Any operation that can be carried out with recursion can be carried out with a stack (D) Signup and view all the answers