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2023/02
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5 files changed

+97
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‎2023/Day02/Solution.cs

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using System.Collections.Generic;
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using System.Linq;
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using System.Text.RegularExpressions;
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namespace AdventOfCode.Y2023.Day02;
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[ProblemName("Cube Conundrum")]
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class Solution : Solver {
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public object PartOne(string input) => (
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from line in input.Split("\n")
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let game = ParseGame(line)
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where game.red <= 12 && game.green <= 13 && game.blue <= 14
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select game.id
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).Sum();
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public object PartTwo(string input) => (
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from line in input.Split("\n")
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let game = ParseGame(line)
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select game.red * game.green * game.blue
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).Sum();
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// no need to keep track of the individual rounds in a game, just return
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// the maximum of the red, green, blue boxes
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Game ParseGame(string line) =>
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new Game(
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ParseInts(line, @"Game (\d+)").First(),
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ParseInts(line, @"(\d+) red").Max(),
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ParseInts(line, @"(\d+) green").Max(),
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ParseInts(line, @"(\d+) blue").Max()
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);
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// extracts integers from a string identified by the a single regex group.
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IEnumerable<int> ParseInts(string st, string rx) =>
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from m in Regex.Matches(st, rx)
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select int.Parse(m.Groups[1].Value);
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}
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record Game(int id, int red, int green, int blue);

‎2023/Day02/input.refout

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2076
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‎2023/SplashScreen.cs

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var color = Console.ForegroundColor;
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Write(0xcc00, false, " ▄█▄ ▄▄█ ▄ ▄ ▄▄▄ ▄▄ ▄█▄ ▄▄▄ ▄█ ▄▄ ▄▄▄ ▄▄█ ▄▄▄\n █▄█ █ █ █ █ █▄█ █ █ █ █ █ █▄ ");
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Write(0xcc00, false, " █ █ █ █ █ █▄█\n █ █ █▄█ ▀▄▀ █▄▄ █ █ █▄ █▄█ █ █▄ █▄█ █▄█ █▄▄ /* 2023 */\n \n ");
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Write(0xcc00, false, " █ █ █ █ █ █▄█\n █ █ █▄█ ▀▄▀ █▄▄ █ █ █▄ █▄█ █ █▄ █▄█ █▄█ █▄▄ {:year 2023}\n ");
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Write(0xcc00, false, "\n \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n ");
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Write(0xcc00, false, " \n \n ");
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Write(0xcc00, false, " \n ");
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Write(0xcc00, false, " \n ");
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Write(0x9b715b, false, "----@");
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Write(0x333333, false, " * ");
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Write(0x666666, false, " 2\n ");
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Write(0xcc00, false, " ");
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Write(0xffffff, false, "' ");
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Write(0xccccff, false, "- \n ");
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Write(0xffffff, false, "' . ");
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Write(0xccccff, false, "- -");
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Write(0x333333, false, " * ");
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Write(0xffffff, false, ". ");
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Write(0x666666, false, " 3\n ");
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Write(0x9b715b, false, "----@ ");
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Write(0xffffff, false, "'''..");
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Write(0xffff66, true, "*");
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Write(0xffffff, false, "......''' ");
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Write(0xcccccc, false, " 2 ");
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Write(0xffff66, false, "**\n ");
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Write(0xffff66, true, "* ");
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Write(0x9b715b, false, "! /^\\ ");
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Write(0xcccccc, false, " 1 ");

‎2023/calendar.svg

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‎adventofcode.sln

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Microsoft Visual Studio Solution File, Format Version 12.00
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# Visual Studio Version 17
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VisualStudioVersion = 17.5.002.0
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MinimumVisualStudioVersion = 10.0.40219.1
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Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "adventofcode", "adventofcode.csproj", "{0311BBC7-3D97-4391-B294-89A21ED184D7}"
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EndProject
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Global
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GlobalSection(SolutionConfigurationPlatforms) = preSolution
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Debug|Any CPU = Debug|Any CPU
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Release|Any CPU = Release|Any CPU
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EndGlobalSection
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GlobalSection(ProjectConfigurationPlatforms) = postSolution
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{0311BBC7-3D97-4391-B294-89A21ED184D7}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
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{0311BBC7-3D97-4391-B294-89A21ED184D7}.Debug|Any CPU.Build.0 = Debug|Any CPU
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{0311BBC7-3D97-4391-B294-89A21ED184D7}.Release|Any CPU.ActiveCfg = Release|Any CPU
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{0311BBC7-3D97-4391-B294-89A21ED184D7}.Release|Any CPU.Build.0 = Release|Any CPU
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EndGlobalSection
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GlobalSection(SolutionProperties) = preSolution
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HideSolutionNode = FALSE
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EndGlobalSection
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GlobalSection(ExtensibilityGlobals) = postSolution
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SolutionGuid = {830E1FB4-A083-4DC8-A157-2C1AC6B9F285}
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EndGlobalSection
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EndGlobal

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