Advent of Code 2023 - December 2nd
Rob van der Leek
Posted on December 2, 2023
In this series, I'll share my progress with the 2023 version of Advent of Code.
Check the first post for a short intro to this series.
You can also follow my progress on GitHub.
December 2nd
The puzzle of day 2 was not so hard. The one from yesterday made me a bit nervous for what's to come, but it seems the Elves gave me a break today 😅
My pitfall for this puzzle: Not really any, programming the solution was pretty straightforward.
Solution here, do not click if you want to solve the puzzle first yourself
#!/usr/bin/env python3
valid_games = []
game_powers = []
def is_valid_draw(marbles):
for marble in marbles:
[count, color] = marble.split(' ')
if (color == 'red' and int(count) > 12) or \
(color == 'green' and int(count) > 13) or \
(color == 'blue' and int(count) > 14):
return False
return True
def is_valid_game(games):
for game in games:
marbles = game.split(', ')
if not is_valid_draw(marbles):
return False
return True
def game_power(game_marbles):
red = 0
green = 0
blue = 0
for marbles in game_marbles:
for marble in marbles:
[count, color] = marble.split(' ')
if (color == 'red' and int(count) > red):
red = int(count)
if (color == 'green' and int(count) > green):
green = int(count)
if (color == 'blue' and int(count) > blue):
blue = int(count)
return red * green * blue
with open('input.txt') as infile:
lines = infile.readlines()
for line in lines:
[game_id, all_games] = line.strip().split(': ')
game_number = int(game_id.split(' ')[1])
games = all_games.split('; ')
if is_valid_game(games):
valid_games.append(game_number)
game_marbles = [game.split(', ') for game in games]
game_powers.append(game_power(game_marbles))
print(sum(valid_games))
print(sum(game_powers))
That's it! See you again tomorrow!
Posted on December 2, 2023
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