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2015_16.cs
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2015_16.cs
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using System.Text.RegularExpressions;
namespace AOC.CSharp;
public static class AOC2015_16
{
private static readonly Regex Regex = new(@"Sue (\d+): (.*)");
public static long Solve1(string[] lines)
{
var sues = lines.Select(Parse);
foreach (Sue sue in sues)
{
if (sue.Children.HasValue && sue.Children.Value != 3)
continue;
if (sue.Cats.HasValue && sue.Cats.Value != 7)
continue;
if (sue.Samoyeds.HasValue && sue.Samoyeds.Value != 2)
continue;
if (sue.Pomeranians.HasValue && sue.Pomeranians.Value != 3)
continue;
if (sue.Akitas.HasValue && sue.Akitas.Value != 0)
continue;
if (sue.Vizslas.HasValue && sue.Vizslas.Value != 0)
continue;
if (sue.Goldfish.HasValue && sue.Goldfish.Value != 5)
continue;
if (sue.Trees.HasValue && sue.Trees.Value != 3)
continue;
if (sue.Cars.HasValue && sue.Cars.Value != 2)
continue;
if (sue.Perfumes.HasValue && sue.Perfumes.Value != 1)
continue;
return sue.Num;
}
return -1;
}
public static long Solve2(string[] lines)
{
var sues = lines.Select(Parse);
foreach (Sue sue in sues)
{
if (sue.Children.HasValue && sue.Children.Value != 3)
continue;
if (sue.Cats.HasValue && sue.Cats.Value <= 7)
continue;
if (sue.Samoyeds.HasValue && sue.Samoyeds.Value != 2)
continue;
if (sue.Pomeranians.HasValue && sue.Pomeranians.Value >= 3)
continue;
if (sue.Akitas.HasValue && sue.Akitas.Value != 0)
continue;
if (sue.Vizslas.HasValue && sue.Vizslas.Value != 0)
continue;
if (sue.Goldfish.HasValue && sue.Goldfish.Value >= 5)
continue;
if (sue.Trees.HasValue && sue.Trees.Value <= 3)
continue;
if (sue.Cars.HasValue && sue.Cars.Value != 2)
continue;
if (sue.Perfumes.HasValue && sue.Perfumes.Value != 1)
continue;
return sue.Num;
}
return -1;
}
private static Sue Parse(string line)
{
Sue sue = new();
Match m = Regex.Match(line);
sue.Num = int.Parse(m.Groups[1].Value);
string remaining = m.Groups[2].Value;
string[] splits = remaining.Split(',');
List<string[]> splitList = splits
.Select(s => s.Split(':').Select(s => s.Trim()).ToArray())
.ToList();
foreach (string[] sp in splitList)
{
string category = sp[0];
int value = int.Parse(sp[1]);
switch (category)
{
case "children":
sue.Children = value;
break;
case "cats":
sue.Cats = value;
break;
case "samoyeds":
sue.Samoyeds = value;
break;
case "pomeranians":
sue.Pomeranians = value;
break;
case "akitas":
sue.Akitas = value;
break;
case "vizslas":
sue.Vizslas = value;
break;
case "goldfish":
sue.Goldfish = value;
break;
case "trees":
sue.Trees = value;
break;
case "cars":
sue.Cars = value;
break;
case "perfumes":
sue.Perfumes = value;
break;
}
}
return sue;
}
private class Sue
{
public int Num { get; set; }
public int? Children { get; set; }
public int? Cats { get; set; }
public int? Samoyeds { get; set; }
public int? Pomeranians { get; set; }
public int? Akitas { get; set; }
public int? Vizslas { get; set; }
public int? Goldfish { get; set; }
public int? Trees { get; set; }
public int? Cars { get; set; }
public int? Perfumes { get; set; }
}
}