static bool isValid_TobogganCorporate(PasswordItem passwordItem)
{
// N.B. The rule was redefined to mean: min = first location of letter, max = second locaiton of letter
// Indexing for the password starts at 1
bool slot1ContainsLetter = (passwordItem.password[passwordItem.min - 1] == passwordItem.letter);
bool slot2ContainsLetter = (passwordItem.password[passwordItem.max - 1] == passwordItem.letter);
return(slot1ContainsLetter ^ slot2ContainsLetter);
}
static bool isValid_SledRental(PasswordItem passwordItem)
{
int letterCount = passwordItem.password.Count((letter) => letter == passwordItem.letter);
return((letterCount >= passwordItem.min) && (letterCount <= passwordItem.max));
}