As part of Advent of Code (adventofcode.com) each day there are two programming tasks to be solved. All solutions are listed here.

I am writing the solutions in Swift with the Playground environment in xCode.

Tasks - 10th December 2020

Given is a list of numbers.

1. Count differences between numbers in list.

2. Count number of arrangments when differnces of 1, 2, 3 are allowed and any number can be left out.

For a more detailed description of the tasks check this out.

The numbers variable is an array of integers containing a set of numbers each member given by Advent of Code, which is individual for each user.

Here is the solution:

Overview of all solutions of 2020:

Advent of Code 2020 Solutions Overview