14th December solution - Advent of Code 2020 - swift

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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 - 14th December 2020

  1. Applying a bitmask to a binary value and storing them at specific memory adresses. Sum up all values in memory.

  2. Applying a bitmask to memory addresses and storing them at these. Sum up all values in memory.

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

The lines variable is an array of string containing all lines of the txt file given each member by Advent of Code, which is individual for each user.

Here are the solutions:

Overview of all solutions of 2020:

Advent of Code 2020 Solutions Overview