Jake Pullen
91 lines
3.0 KiB
Python
91 lines
3.0 KiB
Python
from functools import reduce
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import operator
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with open(r'advent_of_code\2023\day_2\input.txt', 'r') as file:
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input = file.read()
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# print(input)
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test_input = '''Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
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Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
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Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
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Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
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Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green'''
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amount_of_cubes = '12 red, 13 green, 14 blue'
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amount_of_cubes = amount_of_cubes.split(', ')
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# create a dictionary to store the amount of cubes
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amount_of_cubes_dict = {}
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for cube in amount_of_cubes:
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# split the string into the amount and the colour
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# first 2 characters are the amount
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cube = [int(cube[:2]), cube[3:]]
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amount_of_cubes_dict[cube[1]] = cube[0]
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print(f'control: {amount_of_cubes_dict}')
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def check_round(round_dict):
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# Check if the keys exist in the dictionary, if not assign 0
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red = round_dict.get('red', 0)
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green = round_dict.get('green', 0)
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blue = round_dict.get('blue', 0)
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# Now compare with the amount_of_cubes_dict
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if red > amount_of_cubes_dict['red'] or green > amount_of_cubes_dict['green'] or blue > amount_of_cubes_dict['blue']:
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print('round', round_counter, 'is invalid')
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return False
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else:
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print('round', round_counter, 'is valid')
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return True
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def highest_count_per_colour(game):
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colour_counts = {}
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groups = game.split(';')
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for group in groups:
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pairs = group.split(',')
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for pair in pairs:
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count, color = pair.strip().split(' ')
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count = int(count)
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if color not in colour_counts or count > colour_counts[color]:
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colour_counts[color] = count
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print(f'colour counts: {colour_counts}')
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product_of_counts = reduce(operator.mul, colour_counts.values(), 1)
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print(f'product of colour counts: {product_of_counts}')
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return product_of_counts
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#return 0
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# break out each game to check if any of the games are valid
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#games = test_input.split('\n')
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games = input.split('\n')
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game_counter = 0
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score = 0
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sum_of_powers = 0
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for game in games:
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game_counter += 1
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game = game.split(': ')[1]
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print('game', game_counter)
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print(game)
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round_counter = 0
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rounds = game.split('; ')
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powers = highest_count_per_colour(game)
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sum_of_powers += powers
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for round in rounds:
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round_counter += 1
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round = round.split(', ')
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round_dict = {}
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for cube in round:
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cube = [int(cube[:2]), cube[2:]]
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cube[1] = cube[1].replace(' ', '')
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round_dict[cube[1]] = cube[0]
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#print(round_dict)
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if check_round(round_dict) == False:
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break
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else:
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continue
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else:
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score += game_counter
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print('game', game_counter, 'is valid')
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continue
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else:
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print('score:', score)
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print('sum of powers:', sum_of_powers)
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