Some solutions to Advent of Code in C++ and alternatives in python

Design choices:

• Primary solution should be in C++ (as an alternative to all python solutions)
• Single source file solutions (to make each solution readable without switching files)
• No libraries should be used except for the standard template library (to train on use c++ built in features)
• The code should be readable, and when possible compact

for more info about advent of code look at

https://adventofcode.com