public int CalculateDistinctSlices(int[] sequence)
{
if (sequence.Length == 0)
{
return(0);
}
var totalSlices = 0L;
var slice = new Slice();
slice.Add(sequence[0], 0);
for (int i = 1; i < sequence.Length; i++)
{
if (slice.ContainsValue(sequence[i]))
{
totalSlices += GetNumberOfSubSlices(slice.Count);
slice.CleanUpToValue(sequence[i]);
totalSlices -= GetNumberOfSubSlices(slice.Count);
}
slice.Add(sequence[i], i);
}
totalSlices += GetNumberOfSubSlices(slice.Count);
return((int)totalSlices);
}