public SeatingRange GetRange(SeatingRange range, bool shouldTakeUpper)
{
var difference = range.Max - range.Min;
var half = difference >> 1;
var adjustment = range.Min + half;
return(shouldTakeUpper
? new SeatingRange(adjustment + 1, range.Max)
: new SeatingRange(range.Min, adjustment));
}
public int GetColumnIdFromPattern(string pattern)
{
var range = new SeatingRange(0, 7);
var columnPattern = GetColumnPattern(pattern);
var characterArray = columnPattern.ToCharArray();
range = characterArray
.Select(ShouldTakeUpper)
.Aggregate(range, GetRange);
return(ShouldTakeUpper(characterArray.Last())
? range.Max
: range.Min);
}
