50 lines
1.1 KiB
Python
50 lines
1.1 KiB
Python
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with open("input.txt") as f:
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lines = f.readlines()
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def parse_game(line: str) -> tuple[int, list[dict[str, int]]]:
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prefix, turns = line.strip("\n").split(": ")
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game = int(prefix[5:]) # remove "Game ", yielding just the number
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draw_list = []
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for turn in turns.split("; "):
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draws = {}
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for color in turn.split(", "):
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v, k = color.split(" ") # count, then color
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draws[k] = int(v) # map color -> count
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draw_list.append(draws)
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return (game, draw_list)
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part1 = 0
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R = 12
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G = 13
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B = 14
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for line in lines:
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game, draw_list = parse_game(line)
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possible = True
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for draw in draw_list:
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red = draw.get("red", 0)
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green = draw.get("green", 0)
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blue = draw.get("blue", 0)
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if red > R or green > G or blue > B:
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possible = False
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if possible:
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part1 += game
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print(part1)
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part2 = 0
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for line in lines:
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game, draw_list = parse_game(line)
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R = 0
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G = 0
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B = 0
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for draw in draw_list:
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red = draw.get("red", 0)
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green = draw.get("green", 0)
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blue = draw.get("blue", 0)
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R = max(red, R)
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G = max(green, G)
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B = max(blue, B)
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power = R*G*B
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part2 += power
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print(part2)
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