private static IEnumerable <Distribution> Get2Out3()
{
var lookup = new Dictionary <DicePair, int>();
foreach (var a in Roll())
{
foreach (var b in Roll())
{
foreach (var c in Roll())
{
var all = (new[] { a, b, c }).OrderByDescending(i => i).Take(2).ToArray();
var dice = new DicePair(all[0], all[1]);
if (lookup.ContainsKey(dice))
{
lookup[dice]++;
}
else
{
lookup[dice] = 1;
}
}
}
}
foreach (var kvp in lookup)
{
yield return(new Distribution(kvp.Key, kvp.Value));
}
}
public Distribution(DicePair dice, int frequency)
{
Dice = dice;
Frequency = frequency;
}