Solutions to Advent of Code written in Elixir
Make sure to change the code inside of Day_X_.ex to return single integer solution. part1(input) and part2(input) need to return an integer number; this is the answer that gets plugged into Advent of Code website. input is entire input from Advent of Code website read as a string. Need to copy/paste text input from Advent of Code website into associated file in lib/advent_of_code_ex/puzzle_inputs. There's also space to copy easier example from puzzle explanation in lib/advent_of_code_ex/example_inputs.
Example:
def part1(input) do
input
|> read_input
|> calc_answer // returns single integer to plug into Advent of Code website
end
def read_input(input) do
// convert input to readable data structure
end
def calc_answer(readable_data_structure) do
// do work to return answer
end
To compile:
mix escript.build
To run:
escript advent_of_code_ex <day> <part>
To run example (mainly for debugging/testing):
escript advent_of_code_ex <day> <part> -e