public static int Assignment1()
{
// Read input
string[] input = InputReader.ReadInputLines(4);
// Initialize values
int validCounter = 0;
bool valid = true;
int fieldAmount = 0;
bool cid;
string[] validKeys = { "cid", "pid", "ecl", "hcl", "hgt", "eyr", "iyr", "byr" };
List <string> passportKeys = new List <string>();
// Calculate items
foreach (string item in input)
{
// Check for new passport
if (item.Equals(""))
{
if (valid)
{
validCounter++;
}
passportKeys.Clear();
fieldAmount = 0;
}
else
{
// Split item
string[] splitItem = item.Split(' ');
for (int x = 0; x < splitItem.Length; x++)
{
foreach (string passportItem in splitItem[x].Split(':'))
{
if (validKeys.Contains(passportItem))
{
passportKeys.Add(passportItem);
fieldAmount++;
}
}
}
// Initialize bool & set arraycounter
cid = passportKeys.Contains("cid");
// Check for correct fields
if (cid && fieldAmount == 8)
{
valid = true;
}
else if (fieldAmount == 7 && !cid)
{
valid = true;
}
else
{
valid = false;
}
}
}
if (valid)
{
validCounter++;
}
return(validCounter);
}
public static int Assignment2()
{
// Read input
string[] input = InputReader.ReadInputLines(4);
// Initialize values
int validCounter = 0;
bool validItems = true;
bool valid = true;
int fieldAmount = 0;
bool cid;
string[] validKeys = { "cid", "pid", "ecl", "hcl", "hgt", "eyr", "iyr", "byr" };
string key = "";
List <string> passportKeys = new List <string>();
// Calculate items
foreach (string item in input)
{
// Check for new passport
if (item.Equals(""))
{
if (valid && validItems)
{
validCounter++;
}
passportKeys.Clear();
fieldAmount = 0;
validItems = true;
}
else
{
// Split item
string[] splitItem = item.Split(' ');
for (int x = 0; x < splitItem.Length; x++)
{
foreach (string passportItem in splitItem[x].Split(':'))
{
if (validKeys.Contains(passportItem))
{
key = passportItem;
}
else
{
bool validItem = false;
// Ugly switch case for ugly needs
switch (key)
{
case "cid":
validItem = true;
break;
case "pid":
if (passportItem.Length == 9)
{
validItem = true;
}
break;
case "ecl":
bool ambblu = passportItem.Equals("amb") || passportItem.Equals("blu");
bool brngry = passportItem.Equals("brn") || passportItem.Equals("gry");
bool grnhzloth = passportItem.Equals("grn") || passportItem.Equals("hzl") || passportItem.Equals("oth");
if (ambblu || brngry || grnhzloth)
{
validItem = true;
}
break;
case "hcl":
char firstSymbol = passportItem[0];
char[] validBetChars = { 'a', 'b', 'c', 'd', 'e', 'f' };
char[] validIntChars = { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0' };
string restOfString = passportItem.Remove(0, 1);
if (firstSymbol == '#' && restOfString.Length == 6)
{
foreach (char symbol in restOfString)
{
if (validBetChars.Contains(symbol) || validIntChars.Contains(symbol))
{
validItem = true;
}
else
{
validItem = false;
break;
}
}
}
break;
case "hgt":
if (passportItem.Length == 5)
{
if (passportItem[3] == 'c' && passportItem[4] == 'm')
{
int length = int.Parse(passportItem.Split("cm")[0]);
if (length >= 150 && length <= 193)
{
validItem = true;
}
}
}
else if (passportItem.Length == 4)
{
if (passportItem[2] == 'i' && passportItem[3] == 'n')
{
int length = int.Parse(passportItem.Split("in")[0]);
if (length >= 59 && length <= 76)
{
validItem = true;
}
}
}
break;
case "eyr":
if (int.Parse(passportItem) >= 2020 && int.Parse(passportItem) <= 2030)
{
validItem = true;
}
break;
case "iyr":
if (int.Parse(passportItem) >= 2010 && int.Parse(passportItem) <= 2020)
{
validItem = true;
}
break;
case "byr":
if (int.Parse(passportItem) >= 1920 && int.Parse(passportItem) <= 2002)
{
validItem = true;
}
break;
}
if (validItem)
{
passportKeys.Add(key);
fieldAmount++;
}
else
{
validItems = false;
}
}
}
}
// Initialize bool
cid = passportKeys.Contains("cid");
// Check for correct fields
if (cid && fieldAmount == 8)
{
valid = true;
}
else if (fieldAmount == 7 && !cid)
{
valid = true;
}
else
{
valid = false;
}
}
}
if (valid && validItems)
{
validCounter++;
}
return(validCounter);
}