bored, doing past years

2018/01/01.exs

@@ -0,0 +1,20 @@
+list = File.read!("input.txt")
+|> String.split("\n")
+|> Enum.map(&String.to_integer/1)
+
+ans1 = list
+|> Enum.sum()
+IO.puts(ans1)
+
+reducer = fn i, {current, seen} -> frequency = current + i
+	if MapSet.member?(seen, frequency) do
+		{:halt, frequency}
+	else
+		{:cont, {frequency, MapSet.put(seen, frequency)}}
+	end
+end
+
+ans2 = list
+|> Stream.cycle()
+|> Enum.reduce_while({0, MapSet.new([0])}, reducer)
+IO.puts(ans2)

2018/02/02.py

@@ -0,0 +1,18 @@
+def read_file():
+	with open("input.txt","r") as f:
+		return f.read().split('\n')
+
+def part1(boxes):
+	from collections import Counter as C
+	counts = [C(box) for box in boxes]
+	hasTwo = len([1 for count in counts if 2 in count.values()])
+	hasThree = len([1 for count in counts if 3 in count.values()])
+	return hasTwo * hasThree
+
+def main():
+	boxes = read_file()
+	print(f'Part 1: {part1(boxes)}')
+	# print(f'Part 2: {part2(boxes)}')
+
+if __name__ == "__main__":
+	main()

2018/02/input.txt

@@ -0,0 +1,250 @@
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