From 13774dedbb194496faa48493df70fe5ecde79f1a Mon Sep 17 00:00:00 2001 From: Sebastian Seedorf Date: Thu, 3 Dec 2020 11:18:56 +0100 Subject: [PATCH] Day 3 --- day01/part2.py | 1 - day03/input.txt | 323 ++++++++++++++++++++++++++++++++++++++++++++++++ day03/part1.py | 12 ++ day03/part2.py | 28 +++++ 4 files changed, 363 insertions(+), 1 deletion(-) create mode 100644 day03/input.txt create mode 100644 day03/part1.py create mode 100644 day03/part2.py diff --git a/day01/part2.py b/day01/part2.py index 0d6ed9c..893176b 100644 --- a/day01/part2.py +++ b/day01/part2.py @@ -27,7 +27,6 @@ for item in items: sum(vals), prod(vals) )) - exit() elif new[0] > 0 and new[1] > 0: if new not in tree: tree[new] = item diff --git a/day03/input.txt b/day03/input.txt new file mode 100644 index 0000000..6e5de58 --- /dev/null +++ b/day03/input.txt @@ -0,0 +1,323 @@ +...........#..#.#.###....#..... +...#..#...........#.#...#...... +#.....#..#........#...#..##.... +..#...##.#.....#.............#. 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+...#.........#.........#..#.... +...#..........#.#.....#.#...... +.....#........#....##......#... +..#.#.#......#..#.#......#....# +.#.#..#................#.#..... +.#.#.........##...#.......#.#.# +#..#.....#...#..#...........#.. +..##......####......#..#....### +#.....###....#.#........#..#..# +..##.#...#.#..##..........#..#. +#.........#.#.............#...# +...#.#...#...#.#.#....##....... +##.##...#.....#...#...........# +....#........#.#.....#......... +.................##..#..##...## +.....##....#...#...#.....#..#.. +....#...#........#............# +..#...........##....#...#...##. +.....#......#.........#..##.#.. diff --git a/day03/part1.py b/day03/part1.py new file mode 100644 index 0000000..9756d03 --- /dev/null +++ b/day03/part1.py @@ -0,0 +1,12 @@ +lines = (x.strip() for x in open("input.txt")) + +pos = 0 +count = 0 + +for line in lines: + pos = pos % len(line) + if line[pos] == '#': + count += 1 + pos += 3 + +print(count) diff --git a/day03/part2.py b/day03/part2.py new file mode 100644 index 0000000..e11f0a8 --- /dev/null +++ b/day03/part2.py @@ -0,0 +1,28 @@ +import operator +from functools import reduce + +lines = [x.strip() for x in open("input.txt")] + +pos = 0.0 +count = 0 +factors = [] + + +def prod(iterable): + return reduce(operator.mul, iterable, 1) + + +for movement in [1, 3, 5, 7, 0.5]: + count = 0 + for line in lines: + if isinstance(pos, int) or pos.is_integer(): + pos = int(pos) + pos = pos % len(line) + if line[pos] == '#': + count += 1 + pos += movement + factors.append(count) + pos = 0 + +print(factors) +print(prod(factors))