Advent of code 2018 Solutions to Advent of code 2018 Day 7 main "input_test.txt" 2 0 main "input.txt" 5 60 Day 9 Data.Sequence.Seq was used instead of [] so the performance is good enough. To execute the unit tests: Day9.test Day 11 main 9995 300 TODO: Second part is pending Day 12