Towers of Hanoi problem using Recursion Test

The puzzle consists of three pegs and a number of disks of different sizes, which can slide onto any peg. The puzzle starts with the disks in a neat stack in ascending order of size on one peg, the smallest at the top, thus making a conical shape.

Available in

  • English

1 skills measured

  • Recursion

Test Type

Coding Test

Duration

35 Mins

Level

Intermediate

Questions

1

Use of Towers of Hanoi problem using Recursion Test

The objective of the puzzle is to move the entire stack to another peg, obeying the following simple rules:

-> Only one disk can be moved at a time. -> Each move consists of taking the upper disk from one of the stacks and placing it on top of another stack or on an empty peg. -> No disk may be placed on top of a smaller disk.

Skills measured

Expand All

Recursion is a fundamental skill in computer science that involves a function calling itself in order to solve a problem. In the Towers of Hanoi problem, recursion is used to solve the puzzle of moving a stack of disks from one pole to another, following certain rules. By breaking down the problem into smaller subproblems and solving them recursively, we can efficiently find the optimal solution. This skill is important as it allows for elegant and concise solutions to complex problems, and can be applied to a wide range of programming challenges. Mastering recursion can greatly enhance a programmer's problem-solving abilities.

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Frequently asked questions (FAQs) for Towers of Hanoi problem using Recursion Test

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