public CoupleOfCharacters FindMostCommonSequence(String inputedString)
{
var currentCouple = new CoupleOfCharacters();
var coupleForCompare = new CoupleOfCharacters();
var maxMatchesCouple = new CoupleOfCharacters();
var List = new List <CoupleOfCharacters>();
for (var i = 0; i < inputedString.Length - 1; i++)
{
currentCouple.FirstCharacter = inputedString[i];
currentCouple.SecondCharacter = inputedString[++i];
currentCouple.AmountOfmatches = 0;
i--;
for (var j = i; j < inputedString.Length - 1; j++)
{
coupleForCompare.FirstCharacter = inputedString[j];
coupleForCompare.SecondCharacter = inputedString[++j];
j--;
currentCouple.CountMatches(coupleForCompare);
}
List.Add(currentCouple);
}
foreach (var i in List)
{
if (List.Select(p => p.AmountOfmatches).Max() == i.AmountOfmatches)
{
maxMatchesCouple = i;
}
}
return(maxMatchesCouple);
}
public int CountMatches(CoupleOfCharacters compare)
{
AmountOfmatches += ((FirstCharacter == compare.FirstCharacter) && (SecondCharacter == compare.SecondCharacter)) ? 1 : 0;
return(AmountOfmatches);
}