public AlphameticEquationSolverHelper(AlphameticEquation equation, bool allowRepeatingNumbers, bool allowLeadingZeros, bool findOneSolutionOnly)
{
Equation = equation;
AllowRepeatingNumbers = allowRepeatingNumbers;
AllowLeadingZeros = allowLeadingZeros;
FindOneSolutionOnly = findOneSolutionOnly;
CreateLetterNumberPairs();
}
public void SolveEquation(AlphameticEquation equation, bool allowRepeatingNumbers, bool allowLeadingZeros, bool findOneSolutionOnly, Action <AlphameticEquation, Dictionary <char, byte> > onSolutionFound)
{
Equation = equation;
AlphameticEquationSolverHelper[] alphameticEquationSolverHelpers = new AlphameticEquationSolverHelper[Environment.ProcessorCount];
Parallel.ForEach(alphameticEquationSolverHelpers, (alphameticEquationSolverHelper, state, index) =>
{
alphameticEquationSolverHelper = new AlphameticEquationSolverHelper(equation, allowRepeatingNumbers, allowLeadingZeros, findOneSolutionOnly);
long triesPerProcessor = (long)Math.Pow(10, alphameticEquationSolverHelper.GetCountOfUniqueLetters()) / Environment.ProcessorCount;
alphameticEquationSolverHelper.Solve(index * triesPerProcessor, (index + 1) * triesPerProcessor, onSolutionFound);
if (findOneSolutionOnly)
{
state.Break();
}
});
}
public static void PrintSolution(AlphameticEquation equation, Dictionary <char, byte> letterNumberPairs)
{
lock (printLock)
{
string solution = AlphameticEquationSolverHelper.TranslateAlphametic(equation.ToString(), letterNumberPairs);
Console.WriteLine(equation.ToString());
Console.WriteLine(solution);
Console.WriteLine();
PrintDictionary(letterNumberPairs);
Console.WriteLine();
for (int i = 0; i < solution.Length; i++)
{
Console.Write("-");
}
Console.WriteLine("\n");
}
}