public static BigInteger[] Mixbonacci(string[] patterns, int n)
{
// Build sequence map
var patternList = patterns.ToList();
var sequenceMap = patternList
.Distinct()
.Select(pattern => new { Pattern = pattern, Strategy = Kata.GetNacciStrategy(pattern) })
.ToDictionary(obj => obj.Pattern, obj => obj.Strategy.GetSequence(n).ToList());
//var patternCountMap = Enumerable.Repeat(0, patterns.Length).ToArray();
Dictionary <string, int> patternCountMap = new Dictionary <string, int>();
foreach (string pattern in patterns)
{
if (!patternCountMap.ContainsKey(pattern))
{
patternCountMap.Add(pattern, 0);
}
}
var actual = new List <BigInteger>(n);
for (int i = 0; i < n; i++)
{
int patternIndex = i % patterns.Length;
string pattern = patterns[patternIndex];
int mapIndex = patternCountMap[pattern]++;
actual.Add(sequenceMap[pattern][mapIndex]);
}
return(actual.ToArray());
}