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43 lines
1007 B
43 lines
1007 B
10 months ago
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#!python3
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import re
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import argparse
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parser = argparse.ArgumentParser()
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parser.add_argument("filename", help="the file from which to take the list of games")
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args = parser.parse_args()
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line_re = re.compile("Game (\d+):(.*)")
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red_re = re.compile(".*?(\d+) red.*")
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green_re = re.compile(".*?(\d+) green.*")
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blue_re = re.compile(".*?(\d+) blue.*")
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def game_from_line(string):
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m = line_re.match(string)
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game_number = int(m.group(1))
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game_strings = m.group(2).split(";")
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games = []
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for g in game_strings:
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reds = red_re.match(g)
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reds = int(reds.group(1)) if reds else 0
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greens = green_re.match(g)
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greens = int(greens.group(1)) if greens else 0
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blues = blue_re.match(g)
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blues = int(blues.group(1)) if blues else 0
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games.append((reds, greens, blues))
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return (game_number, games)
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all_games = []
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with open(args.filename, "r") as f:
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for l in f.readlines():
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all_games.append(game_from_line(l))
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answer = 0
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for l in all_games:
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r, g, b = map(max, zip(*l[1]))
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answer += r*g*b
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print(answer)
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