Java How to solve towers of hanoi problem?

Java How to solve towers of hanoi problem?

The towers of Hanoi problem is a classic recursive problem that involves moving a stack of discs from one peg to another, subject to the following rules:

  • Only one disc can be moved at a time.
  • A larger disc cannot be placed on top of a smaller disc.

To solve the towers of Hanoi problem in Java, you can use a recursive function that follows these steps:

  1. If the stack of discs consists of only one disc, move the disc from the source peg to the destination peg.
  2. Otherwise, follow these steps:
      3. Move the top n-1 discs from the source peg to the auxiliary peg, using the destination peg as the auxiliary.
    1. Move the remaining disc from the source peg to the destination peg.
    2. Move the n-1 discs from the auxiliary peg to the destination peg, using the source peg as the auxiliary.

    Here's an example of how you can implement a recursive solution to the towers of Hanoi problem in Java:

    refer to‮:‬lautturi.com
    public class Main {
        public static void solveTowersOfHanoi(int n, char source, char auxiliary, char destination) {
            if (n == 1) {
                System.out.println("Move disc from " + source + " to " + destination);
            } else {
                solveTowersOfHanoi(n - 1, source, destination, auxiliary);
                System.out.println("Move disc from " + source + " to " + destination);
                solveTowersOfHanoi(n - 1, auxiliary, source, destination);
            }
    }
Created Time:2017-11-03 23:27:08  Author:lautturi