public static SolverResults Solve(int[] tiles, int target)
{
Stopwatch stopWatch = new Stopwatch();
stopWatch.Start();
SolverResults results = new SolverResults();
for (int k = 2; k <= tiles.Length; k++)
{
Combinations <int> combinations = new Combinations <int>(tiles, k);
foreach (List <int> combination in combinations)
{
Permutations <int> permutations = new Permutations <int>(combination);
Parallel.ForEach(permutations,
// the partitions local solver
() => new SolvingEngine(target, k),
// the parallel action
(permutation, loopState, solvingEngine) =>
{
solvingEngine.Solve(permutation);
return(solvingEngine);
},
// local finally
(solvingEngine) => results.AggregateData(solvingEngine));
}
}
stopWatch.Stop();
results.Elapsed = stopWatch.Elapsed;
return(results);
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="p"></param>
public PermutationEnumerator(Permutations <T> p)
{
setUpFirstItem = true;
current = p.input;
comparer = p.comparer;
}