AdventOfCode/Year2022/Day2.cs

namespace AdventOfCode.Year2022;

public class Day2
{
    private static readonly List<string[]> Matches = LoadMatches();

    public Day2()
    {
        Console.WriteLine($@"
Day2 Solution
Part1 Result: {Part1()}
Part2 Result: {Part2()}

=============================");
    }

    private static int Part1()
    {
        var score = 0;
        foreach (var match in Matches)
        {
            if (match[0] == "A")
            {
                if (match[1] == "X")
                    score += 1 + 3;
                if (match[1] == "Y")
                    score += 2 + 6;
                if (match[1] == "Z")
                    score += 3;
            }

            if (match[0] == "B")
            {
                if (match[1] == "X")
                    score += 1;
                if (match[1] == "Y")
                    score += 2 + 3;
                if (match[1] == "Z")
                    score += 3 + 6;
            }

            if (match[0] == "C")
            {
                if (match[1] == "X")
                    score += 1 + 6;
                if (match[1] == "Y")
                    score += 2;
                if (match[1] == "Z")
                    score += 3 + 3;
            }
        }

        return score;
    }

    private static int Part2()
    {
        var score = 0;
        foreach (var match in Matches)
        {
            if (match[0] == "A")
            {
                if (match[1] == "X")
                    score += 3;
                if (match[1] == "Y")
                    score += 1 + 3;
                if (match[1] == "Z")
                    score += 2 + 6;
            }

            if (match[0] == "B")
            {
                if (match[1] == "X")
                    score += 1;
                if (match[1] == "Y")
                    score += 2 + 3;
                if (match[1] == "Z")
                    score += 3 + 6;
            }

            if (match[0] == "C")
            {
                if (match[1] == "X")
                    score += 2;
                if (match[1] == "Y")
                    score += 3 + 3;
                if (match[1] == "Z")
                    score += 1 + 6;
            }
        }

        return score;
    }

    private static List<string[]> LoadMatches()
    {
        var matches = new List<string[]>();
        foreach (var line in File.ReadAllLines("inputs/day2.txt"))
            matches.Add(line.Split(" "));
        return matches;
    }
}