static void Main(string[] args)
{
var idsFile = args[0];
var inputStream = new StreamReader(idsFile);
var checkSum = IDSummer.CalculateSumOfIds(inputStream);
System.Console.WriteLine($"Checksum: {checkSum}");
inputStream = new StreamReader(idsFile);
string letters = null;
if (!IDFinder.FindSimilar(inputStream, out letters))
{
System.Console.Error.WriteLine("Error: Could not find similar IDs");
}
System.Console.WriteLine($"Common characters: {letters}");
}
public static uint CalculateSumOfIds(TextReader inputStream)
{
uint doubles = 0;
uint triples = 0;
while (true)
{
var line = inputStream.ReadLine();
if (line == null)
{
break;
}
var rowSum = IDSummer.IDSum(line);
if (rowSum.hasDoubles)
{
doubles += 1;
}
if (rowSum.hasTriples)
{
triples += 1;
}
}
return(doubles * triples);
}