private (IList <KeyValuePair <string, string> > Replacements, string Medicine) ParseInput(IPuzzleInput input)
{
List <KeyValuePair <string, string> > replacements = new();
var medicine = string.Empty;
foreach (var line in input.ReadLines())
{
var(key, value, _) = line.Split(" => ");
key = key?.Trim() ?? string.Empty;
value = value?.Trim() ?? string.Empty;
if (string.IsNullOrWhiteSpace(key))
{
// this is a blank line
continue;
}
if (string.IsNullOrWhiteSpace(value))
{
// this is the medicine molecule
medicine = key;
continue;
}
// this is a replacement
replacements.Add(new KeyValuePair <string, string>(key, value));
}
return(replacements, medicine);
}
private IDictionary <string, Guest> ParseGuests(IPuzzleInput input)
{
var guests = new Dictionary <string, Guest>();
foreach (var line in input.ReadLines())
{
var(name, _, direction, points, _, _, _, _, _, _, neighbor, rest) = line.Trim(' ', '.').Split(' ');
if (!guests.ContainsKey(name))
{
guests.Add(name, new Guest(new Dictionary <string, int>()));
}
var modifier = direction switch
{
"lose" => - 1,
_ => 1
};
if (!guests[name].Neighbors.ContainsKey(neighbor))
{
var number = int.Parse(points) * modifier;
guests[name].Neighbors.Add(neighbor, number);
}
}
return(guests);
}
}
private IList <int> ParseContainers(IPuzzleInput input)
{
List <int> containers = new();
foreach (var line in input.ReadLines())
{
containers.Add(int.Parse(line));
}
return(containers);
}
private IList <Reindeer> ParseReindeer(IPuzzleInput input)
{
var list = new List <Reindeer>();
foreach (var line in input.ReadLines())
{
var(name, _, _, speed, _, _, flySeconds, _, _, _, _, _, _, restSeconds, _) = line.Split(' ');
list.Add(new Reindeer(name, int.Parse(speed), int.Parse(flySeconds), int.Parse(restSeconds)));
}
return(list);
}
public _24(IPuzzleInput input)
{
var packages = new List <ulong>();
foreach (var line in input.ReadLines())
{
if (ushort.TryParse(line, out var package))
{
packages.Add(package);
}
}
_packages = packages.OrderByDescending(p => p).ToArray();
}
private Character ParseEnemy(IPuzzleInput input)
{
Character enemy = new();
var type = enemy.GetType();
foreach (var line in input.ReadLines())
{
var(key, value, _) = line.Split(":");
var property = type.GetProperty(key.Replace(" ", ""));
if (property != null)
{
property.SetValue(enemy, int.Parse(value));
}
}
return(enemy);
}
private IList <Ingredient> ParseIngredients(IPuzzleInput input)
{
var list = new List <Ingredient>();
var separators = new[] { ' ', ',', ':' };
foreach (var line in input.ReadLines())
{
var(name, _, capacity, _, durability, _, flavor, _, texture, _, calories, _) = line.Split(separators, StringSplitOptions.RemoveEmptyEntries);
list.Add(new Ingredient(
name,
int.Parse(capacity),
int.Parse(durability),
int.Parse(flavor),
int.Parse(texture),
int.Parse(calories)
));
}
return(list);
}
private static IDictionary <string, Instruction> ParseInstructions(IPuzzleInput input)
{
var result = new Dictionary <string, Instruction>();
foreach (var line in input.ReadLines())
{
var(inputs, wire, _) = line.Split(" -> ");
var tokens = inputs.Split(" ");
string leftOperand = null;
string operatorStr = null;
string rightOperand = null;
switch (tokens.Length)
{
case 1:
(leftOperand, _) = tokens;
break;
case 2:
(operatorStr, rightOperand, _) = tokens;
break;
case 3:
(leftOperand, operatorStr, rightOperand, _) = tokens;
break;
}
Operator? @operator = null;
if (!string.IsNullOrWhiteSpace(operatorStr) && Enum.TryParse <Operator>(operatorStr, true, out var operatorEnum))
{
@operator = operatorEnum;
}
result.Add(wire, new Instruction(leftOperand, @operator, rightOperand));
}
return(result);
}