public Dictionary <string, char> Calc(IEnumerable <string> words)
{
Dictionary <string, char> keys = new();
var shorts = words.ToDictionary(w => w, w => calculator.Calc(w).ToList());
var chosen = new HashSet <char>();
List <string> toRemove;
while (shorts.Count != 0)
{
toRemove = new List <string>();
foreach (var key in shorts.Keys.OrderBy(x => x, comparator))
{
if (shorts[key].Count == 0)
{
toRemove.Add(key);
continue;
}
char first = shorts[key].First();
if (!chosen.Contains(first))
{
chosen.Add(first);
keys[key] = first;
toRemove.Add(key);
}
shorts[key].RemoveAt(0);
}
foreach (var key in toRemove)
{
shorts.Remove(key);
}
}
return(keys);
}
public WordPool(ShortCalculator calculator, IEnumerable <string> words = null)
{
this.calculator = calculator;
this.words = words?.ToHashSet() ?? new();
this.keys = words.ToDictionary(w => w, w => calculator.Calc(w).ToHashSet());
}
