public static void Run(string[] args)
{
string algorithmFilePath = string.Empty;
TicketCountAlgorithms currentAlgorhytm = TicketCountAlgorithms.None;
if (args.Length == 0)
{
algorithmFilePath = UI.RequestFilePath();
}
else
{
algorithmFilePath = args[0];
}
AlgorithmGetter algorithmGet = new AlgorithmGetter(new AlgorithmFileReader());
currentAlgorhytm = algorithmGet.GetAlgorhytm(algorithmFilePath);
if (currentAlgorhytm != TicketCountAlgorithms.None)
{
ulong ticketCount = 0;
LuckyTicketsCounter counter;
try
{
switch (currentAlgorhytm)
{
case TicketCountAlgorithms.Moscow:
counter = new LuckyTicketsCounterMoscow(DEFAULT_DIGITS_NUMBER);
ticketCount = counter.GetLuckyTicketsQuantity();
break;
case TicketCountAlgorithms.Piter:
counter = new LuckyTicketsCounterPiter(DEFAULT_DIGITS_NUMBER);
ticketCount = counter.GetLuckyTicketsQuantity();
break;
default:
break;
}
}
catch (InvalidTicketDigitsCountException ex)
{
UI.PrintExceptionMessage(ex);
}
catch (RecursionDepthTooBigException ex)
{
UI.PrintExceptionMessage(ex);
}
UI.PrintTicketsCount(ticketCount);
}
else
{
UI.PrintHelp(Path.GetFullPath(algorithmFilePath));
}
}
public static void Run(string[] args)
{
string algorithmFilePath = string.Empty;
if (args.Length == 0)
{
algorithmFilePath = UI.RequestFilePath();
}
else
{
algorithmFilePath = args[0];
}
algorithmFilePath = Path.GetFullPath(algorithmFilePath);
if (!TryValidateFilePath(ref algorithmFilePath))
{
UI.PrintHelp(algorithmFilePath);
return;
}
TicketCountAlgorithms currentAlgorhytm;
if (TryGetAlgorhytm(algorithmFilePath, out currentAlgorhytm))
{
ulong ticketCount = 0;
try
{
if (currentAlgorhytm == TicketCountAlgorithms.Moscow)
{
ticketCount = new LuckyTicketsCounterMoscow(DEFAULT_DIGITS_NUMBER).GetLuckyTicketsQuantity();
}
if (currentAlgorhytm == TicketCountAlgorithms.Piter)
{
ticketCount = new LuckyTicketsCounterPiter(DEFAULT_DIGITS_NUMBER).GetLuckyTicketsQuantity();
}
}
catch (InvalidTicketDigitsCountException ex)
{
UI.PrintExceptionMessage(ex);
}
catch (RecursionDepthTooBigException ex)
{
UI.PrintExceptionMessage(ex);
}
UI.PrintTicketsCount(ticketCount);
}
else
{
UI.PrintHelp(algorithmFilePath);
}
}
/// <summary>
/// Calculating the number of "Petersburg-type" lucky tickets can be done by transferring
/// all the even digits to the right part of the number, while transferring all the odd
/// digits to the left part (or vice-versa), then using the "Moscow-type" tickets calculating
/// algorithm.
/// So the quantity of "Petersburg-type" tickets is always equal to "Moscow-type" tickets quantity.
/// Thus, creating the scpecific algorithm for calculating "Petersburg-type" tickets quantity
/// is redundant.
///
///Proof: http://kvant.mccme.ru/1975/07/razgovor_v_tramvae.htm
/// </summary>
/// <param name="digits"></param>
/// <returns></returns>
public override ulong GetLuckyTicketsQuantity()
{
LuckyTicketsCounterMoscow ticketCounter = new LuckyTicketsCounterMoscow(TicketDigitsCount);
return(ticketCounter.GetLuckyTicketsQuantity());
}