public static Aunt FindAunt2(List <Aunt> aunts, Aunt sample)
{
Dictionary <string, int?> sampleProperties = sample.Properties;
return(aunts.Single(x =>
{
Dictionary <string, int?> properties = x.Properties;
return properties.Where(y => y.Value.HasValue).All(y =>
{
switch (y.Key)
{
case nameof(Aunt.Cats):
case nameof(Aunt.Trees):
return y.Value > sampleProperties[y.Key];
case nameof(Aunt.Pomeranians):
case nameof(Aunt.Goldfish):
return y.Value < sampleProperties[y.Key];
default:
return y.Value == sampleProperties[y.Key];
}
});
}));
}
public static void Run()
{
// Load information about aunts
List <Aunt> aunts = LoadAunts(Path.Combine("16", "input")).ToList();
// Task 1
Aunt sample = new Aunt()
{
Children = 3,
Cats = 7,
Samoyeds = 2,
Pomeranians = 3,
Akitas = 0,
Vizslas = 0,
Goldfish = 5,
Trees = 3,
Cars = 2,
Perfumes = 1
};
Aunt theAunt = FindAunt(aunts, sample);
Console.WriteLine(theAunt.Id);
// Task 2
theAunt = FindAunt2(aunts, sample);
Console.WriteLine(theAunt.Id);
}
public static Aunt FindAunt(List <Aunt> aunts, Aunt sample)
{
Dictionary <string, int?> sampleProperties = sample.Properties;
return(aunts.Single(x =>
{
Dictionary <string, int?> properties = x.Properties;
return properties.Where(y => y.Value.HasValue).All(y => y.Value == sampleProperties[y.Key]);
}));
}
public static IEnumerable <Aunt> LoadAunts(string path)
{
Dictionary <string, PropertyInfo> nameToProperty = typeof(Aunt).GetProperties().ToDictionary(x => x.Name.ToLower());
return(File.ReadLines(path).Select(x =>
{
Aunt aunt = new Aunt();
// Get id Sue 36: cats: 3, children: 9, samoyeds: 3
aunt.Id = int.Parse(x.Split(' ', ':')[1]);
// Set properties
string[] parts = x.Split(new char[] { ':', ',', ' ' }, StringSplitOptions.RemoveEmptyEntries);
for (int i = 2; i < parts.Length; i += 2)
{
nameToProperty[parts[i]].SetValue(aunt, int.Parse(parts[i + 1]));
}
return aunt;
}));
}