private static PasswordWithPolicy[] PrepareInput(List <string> listInput)
{
var result = new PasswordWithPolicy[listInput.Count];
for (int i = 0; i < listInput.Count; ++i)
{
int colonIndex = listInput[i].IndexOf(':');
int dashIndex = listInput[i].IndexOf('-');
result[i] = new PasswordWithPolicy(
int.Parse(listInput[i].Substring(0, dashIndex)),
int.Parse(listInput[i].Substring(dashIndex + 1, colonIndex - dashIndex - 2)),
listInput[i][colonIndex - 1],
listInput[i].Substring(colonIndex + 2));
}
return(result);
}
private static bool IsCorrect(PasswordWithPolicy policy)
{
int letterOccurences = 0;
for (int i = 0; i < policy.password.Length; ++i)
{
if (policy.password[i] == policy.letter)
{
++letterOccurences;
if (letterOccurences > policy.num2)
{
return(false);
}
}
}
return(letterOccurences >= policy.num1);
}
private static bool IsCorrect2(PasswordWithPolicy policy) => policy.password[policy.num1 - 1] == policy.letter ^ policy.password[policy.num2 - 1] == policy.letter;