48 lines
1.3 KiB
Nim
48 lines
1.3 KiB
Nim
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import std/[strscans, strformat, strutils]
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type
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Reveal = tuple[red: int, green: int, blue: int]
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Game = object
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number: int
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reveals: seq[Reveal]
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max_red, max_green, max_blue: int
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var games: seq[Game]
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for line in readFile("input_02.txt").splitLines:
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if line.strip.len == 0:
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continue
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var gameNum: int
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var gamespec = line.strip.split(":", 1)
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if not scanf(gamespec[0], "Game $i", gameNum):
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echo "invalid line. Game number prefix mising."
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var game = Game(number: gameNum)
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for revealspec in gamespec[1].split(";"):
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var reveal: Reveal
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for dice in revealspec.strip.split(","):
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var spec = dice.strip.split(" ", 1)
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case spec[1].strip:
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of "red":
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reveal.red = parseInt(spec[0])
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game.max_red = max(game.max_red, reveal.red)
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of "green":
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reveal.green = parseInt(spec[0])
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game.max_green = max(game.max_green, reveal.green)
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of "blue":
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reveal.blue = parseInt(spec[0])
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game.max_blue = max(game.max_blue, reveal.blue)
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game.reveals.add(reveal)
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games.add(game)
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var result = 0
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for game in games:
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result += game.max_red * game.max_green * game.max_blue
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echo &"Result: {result}"
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