private static void MeasuringAverageAlgorithmSolvingTime() { const int REPEATS = 2; System.Console.WriteLine("Measuring average algorithm solving time:"); System.Console.WriteLine(""); FileInfo[] files = new DirectoryInfo(Directories.Solutions).GetFiles(FileExtensions.XmlZipMask); var solutions1 = from file in files.AsParallel() select new { intermediate_solution = SudokuIntermediateSolution.LoadFromFile(file.FullName), fileName = file.FullName }; var solutions2 = (from solution in solutions1 group solution by solution.intermediate_solution.Solution.Type into g select(from obj in g orderby obj.fileName select obj).ToArray()).ToArray(); foreach (var sols_gr in solutions2) { var sols = SudokuSolutionNode.FilterByOptions(sols_gr.Select(gr => gr.intermediate_solution.Solution).ToList()); if (sols_gr.Length == 20) { if (SudokuOptions.Current.IncludeBoxes) { sols = sols.Take(10).ToList(); } else { sols = sols.Skip(10).Take(10).ToList(); } } var sols_gr2 = (from gr in sols_gr where sols.Contains(gr.intermediate_solution.Solution) select gr).ToList(); System.Diagnostics.Stopwatch stopwatch = new System.Diagnostics.Stopwatch(); stopwatch.Start(); foreach (var solution in sols_gr2) { SudokuIntermediateSolution intermediate_solution = solution.intermediate_solution; bool bError = false; for (int i = 0; i < REPEATS; i++) { for (int j = 0; j < 4; j++) { if (!intermediate_solution.Test(false)) { bError = true; } intermediate_solution = intermediate_solution.Rotate(); } } if (bError) { System.Console.WriteLine("Can't solve: {0}", solution.fileName); } } stopwatch.Stop(); double time = stopwatch.ElapsedMilliseconds * 1.0 / sols_gr.Length / REPEATS / 4; s_algorithmToTime[sols_gr.First().intermediate_solution.Solution.Type] = time; System.Console.WriteLine("{0} ({1}): {2} [ms]", sols_gr.First().intermediate_solution.Solution.Type, sols_gr.Length, time.ToString("G4")); } }
private bool LoadFile(string a_fileName) { if (a_fileName.Equals("")) { return(false); } solutionsCheckedListBox.SelectedSolution = null; SudokuBoard board = SudokuBoard.LoadFromFile(a_fileName); if (board != null) { Cursor.Current = Cursors.WaitCursor; try { solutionsTree.InitTree(board); } finally { Cursor.Current = Cursors.Default; } } else { SudokuIntermediateSolution intermediate_solution = SudokuIntermediateSolution.LoadFromFile(a_fileName); if (intermediate_solution == null) { MessageBox.Show("Loaded file is invalid", "Sudoku", MessageBoxButtons.OK, MessageBoxIcon.Exclamation); return(false); } else { Cursor.Current = Cursors.WaitCursor; try { solutionsTree.InitTree(intermediate_solution.Before); solutionsCheckedListBox.SelectedSolution = solutionsCheckedListBox.Node.Nodes.Select(n => n.Solution).FirstOrDefault(s => s.Equals(intermediate_solution.Solution)); } finally { Cursor.Current = Cursors.Default; } } } LastOpenFiles.Instance.Opened(a_fileName); openFileDialog.FileName = new FileInfo(a_fileName).Name; saveBoardFileDialog.FileName = new FileInfo(a_fileName).Name; saveIntermediateSolutionFileDialog.FileName = new FileInfo(a_fileName).Name; Text = "Sudoku - " + a_fileName; UndoRedoManager.Instance.Clear(); return(true); }
private static void GenerateAllSolutions(GenerationMethod a_method) { System.Console.WriteLine(); System.Console.WriteLine("Generating solutions..."); System.Console.WriteLine(); string dir = Directories.SolutionTrees + Path.DirectorySeparatorChar + "All"; new DirectoryInfo(dir).CreateOrEmpty(); FileInfo[] files1 = new DirectoryInfo(Directories.Examples).GetFiles(FileExtensions.XmlZipMask); FileInfo[] files2 = new DirectoryInfo(Directories.SolutionTrees).GetFiles(FileExtensions.XmlZipMask); var not_all = (from file1 in files1 where files2.Count(fi => Directories.ConvertName(fi.FullName) == file1.Name) < 4 select file1).ToArray(); var too_much = (from file2 in files2 where files1.All(fi => fi.Name != Directories.ConvertName(file2.Name)) select file2).ToArray(); if (not_all.Count() > 0) { System.Console.WriteLine("Is in 'Examples', but not in 'SolutionTrees' (run project 'SudokuGenerator'): " + not_all.First().FullName); System.Console.ReadKey(true); return; } if (too_much.Count() > 0) { System.Console.WriteLine("Is in 'SolutionTrees', but not in 'Examples': " + too_much.First().FullName); System.Console.ReadKey(true); return; } FileInfo[] files = (from file in new DirectoryInfo(Directories.SolutionTrees).GetFiles(FileExtensions.XmlZipMask) group file by Directories.ConvertName(file.Name) into gr select gr.First()).ToArray(); ShowProgress(0, 70); ConcurrentCounter counter = new ConcurrentCounter(); Parallel.ForEach(files, (file) => { SudokuSolutionNode root = SudokuSolutionNode.LoadFromFile(file.FullName); string file_name = Path.GetFileNameWithoutExtension(Directories.ConvertName(file.Name)); Dictionary <SudokuSolutionType, int> counters = new Dictionary <SudokuSolutionType, int>(); Dictionary <SudokuSolutionType, List <SudokuSolutionNode> > lists = new Dictionary <SudokuSolutionType, List <SudokuSolutionNode> >(); foreach (var type in Enum.GetValues(typeof(SudokuSolutionType)).Cast <SudokuSolutionType>()) { if (type == SudokuSolutionType.MarkImpossibles) { continue; } if (type == SudokuSolutionType.MarkSolved) { continue; } if (type == SudokuSolutionType.SinglesInUnit) { continue; } new DirectoryInfo(dir + Path.DirectorySeparatorChar + type).CreateOrEmpty(); lists[type] = new List <SudokuSolutionNode>(); counters[type] = 1; } foreach (var list in lists.Values) { list.Clear(); } foreach (SudokuSolutionNode node in root.GetAllNodesEnumerator()) { if (node.State != SudokuSolutionNodeState.State) { continue; } var nodes = (from n in node.Nodes where (n.Solution.Type != SudokuSolutionType.MarkImpossibles) && (n.Solution.Type != SudokuSolutionType.MarkSolved) && (n.Solution.Type != SudokuSolutionType.SinglesInUnit) select n).ToList(); var sols = SudokuSolutionNode.FilterByOptions(nodes.Select(n => n.Solution).ToList()); var nodes_gr = (from n in nodes where sols.Contains(n.Solution) group n by n.Solution.Type into gr select gr.ToList()).ToList(); if ((a_method == GenerationMethod.OneType) || (a_method == GenerationMethod.OneSolution)) { bool one_type = nodes_gr.Count(gr => gr.Any()) == 1; if (!one_type) { continue; } } if (a_method == GenerationMethod.OneSolution) { bool one_solution = nodes_gr.Count(gr => gr.Count == 1) == 1; if (!one_solution) { continue; } } foreach (var n in nodes) { lists[n.Solution.Type].Add(n); } } foreach (var list in lists.Values) { var uniques = from n in list group n by n.Solution into gr select gr.First(); var exclude = from n1 in uniques from n2 in uniques where !Object.ReferenceEquals(n1, n2) && n1.Solution.Removed.Contains(n2.Solution.Removed, Comparators.SudokuNumberRowColComparer.Instance) && n1.Solution.Stayed.Contains(n2.Solution.Stayed, Comparators.SudokuNumberRowColComparer.Instance) && n1.Solution.ColorUnits.Equals(n2.Solution.ColorUnits) select n2; var sols = uniques.Except(exclude); foreach (var n in sols) { SudokuIntermediateSolution intermediate_solution = new SudokuIntermediateSolution(n.Board, n.NextBoard, n.Solution); intermediate_solution.SaveToFile(dir + Path.DirectorySeparatorChar + n.Solution.Type + Path.DirectorySeparatorChar + file_name + " - " + counters[n.Solution.Type]++ + FileExtensions.XmlZipExt); } } counter.Increment(); lock (counter) { ShowProgress(counter.Value * 70 / files.Length, 70); } }); }
public void Test_Solution_Trees_Consolidate() { SudokuOptions.Current.ShowAllSolutions = false; ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name); FileInfo[] files = new DirectoryInfo(Directories.SolutionTrees).GetFiles(FileExtensions.XmlZipMask); string dir = Directories.SolutionTrees + Path.DirectorySeparatorChar + "Consolidate"; new DirectoryInfo(dir).CreateOrEmpty(); int index = 0; ConcurrentCounter counter = new ConcurrentCounter(); Parallel.ForEach(files, (file) => { counter.Increment(); pi.AddLine((counter.Value * 100 / files.Length).ToString()); SudokuSolutionNode root = SudokuSolutionNode.LoadFromFile(file.FullName); foreach (SudokuSolutionNode node in root.GetAllNodesEnumerator()) { if (node.State != SudokuSolutionNodeState.State) { continue; } var filtered_sols = SudokuSolutionNode.FilterByOptions(node.Nodes.Select(n => n.Solution).ToList()); var filtered_nodes = (from n in node.Nodes where filtered_sols.Contains(n.Solution) select n).ToList(); var new_includes = (from n1 in filtered_nodes from n2 in filtered_nodes where SudokuSolutionNode.IsInclude(n1.Solution, n2.Solution, false) select new { n1, n2 }).ToList(); var ignore_pairs = new[] { new [] { SudokuSolutionType.NakedPair, SudokuSolutionType.BoxLineReduction }, new [] { SudokuSolutionType.NakedPair, SudokuSolutionType.PointingPair }, new [] { SudokuSolutionType.NakedPair, SudokuSolutionType.NakedTriple }, new [] { SudokuSolutionType.NakedPair, SudokuSolutionType.NakedQuad }, new [] { SudokuSolutionType.NakedTriple, SudokuSolutionType.BoxLineReduction }, new [] { SudokuSolutionType.NakedTriple, SudokuSolutionType.NakedQuad }, new [] { SudokuSolutionType.NakedTriple, SudokuSolutionType.PointingPair }, new [] { SudokuSolutionType.NakedTriple, SudokuSolutionType.PointingTriple }, new [] { SudokuSolutionType.NakedQuad, SudokuSolutionType.PointingPair }, new [] { SudokuSolutionType.HiddenPair, SudokuSolutionType.HiddenTriple }, new [] { SudokuSolutionType.HiddenPair, SudokuSolutionType.HiddenQuad }, new [] { SudokuSolutionType.HiddenTriple, SudokuSolutionType.HiddenQuad }, }; var ignore = from pair in new_includes from ignore_pair in ignore_pairs where (((pair.n1.Solution.Type == ignore_pair.First()) && (pair.n2.Solution.Type == ignore_pair.Last())) || ((pair.n1.Solution.Type == ignore_pair.Last()) && (pair.n2.Solution.Type == ignore_pair.First()))) select pair; new_includes = new_includes.Except(ignore).ToList(); var doubles = from p1 in new_includes from p2 in new_includes where (p1.n1 == p2.n2) && (p1.n2 == p2.n1) select p1; new_includes = new_includes.Except(doubles).ToList(); foreach (var pair in new_includes) { SudokuIntermediateSolution intermediate_solution_1 = new SudokuIntermediateSolution(pair.n1.Board, pair.n1.NextBoard, pair.n1.Solution); intermediate_solution_1.SaveToFile(dir + Path.DirectorySeparatorChar + index + "_" + Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(file.FullName)) + "_" + pair.n1.Solution.Type + FileExtensions.XmlZipExt); SudokuIntermediateSolution intermediate_solution_2 = new SudokuIntermediateSolution(pair.n2.Board, pair.n2.NextBoard, pair.n2.Solution); intermediate_solution_2.SaveToFile(dir + Path.DirectorySeparatorChar + index + "_" + Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(file.FullName)) + "_" + pair.n2.Solution.Type + FileExtensions.XmlZipExt); index++; } } }); Assert.IsTrue(index == 0); }
private bool CompareNodes(SudokuSolutionNode a_node, SudokuSolutionNode a_expected_node, FileInfo a_fileInfo, ConcurrentBag <string> a_list, int add_counter, int remove_counter) { bool b1 = false; IEnumerable <SudokuSolutionNode> solutions_added = null; IEnumerable <SudokuSolutionNode> solutions_removed = null; if (!a_node.Nodes.Exact(a_expected_node.Nodes)) { solutions_added = a_node.Nodes.Substract(a_expected_node.Nodes); solutions_removed = a_expected_node.Nodes.Substract(a_node.Nodes); if (solutions_removed.Count() > 0) { solutions_removed = RemoveIfExistsElsewhere(solutions_removed, a_node.Root); } else { solutions_removed = null; } if (solutions_added.Count() > 0) { solutions_added = RemoveIfExistsElsewhere(solutions_added, a_node.Root); } else { solutions_added = null; } } if (solutions_added != null) { foreach (var added in solutions_added) { if (added.Solution != null) { string dir = a_fileInfo.DirectoryName + Path.DirectorySeparatorChar + "Diffrencies" + Path.DirectorySeparatorChar + "Added"; SudokuIntermediateSolution intermediate_solution = new SudokuIntermediateSolution(added.Board, added.NextBoard, added.Solution); intermediate_solution.SaveToFile(dir + Path.DirectorySeparatorChar + Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(a_fileInfo.FullName)) + "_added_" + add_counter + FileExtensions.XmlZipExt); a_list.Add(Path.GetFileNameWithoutExtension(Path.GetFileNameWithoutExtension(a_fileInfo.FullName)) + "_added_" + add_counter + ": " + intermediate_solution.Solution.ToString()); add_counter++; b1 = true; } } } if (solutions_removed != null) { foreach (var removed in solutions_removed) { if (removed.Solution != null) { string dir = a_fileInfo.DirectoryName + Path.DirectorySeparatorChar + "Diffrencies" + Path.DirectorySeparatorChar + "Removed"; SudokuIntermediateSolution intermediate_solution = new SudokuIntermediateSolution(removed.Board, removed.NextBoard, removed.Solution); intermediate_solution.SaveToFile(dir + Path.DirectorySeparatorChar + Path.GetFileNameWithoutExtension(Path.DirectorySeparatorChar + Path.GetFileNameWithoutExtension(a_fileInfo.FullName)) + "_removed_" + remove_counter + FileExtensions.XmlZipExt); a_list.Add(Path.GetFileNameWithoutExtension( Path.GetFileNameWithoutExtension(a_fileInfo.FullName)) + "_removed_" + remove_counter + ": " + intermediate_solution.Solution.ToString()); remove_counter++; b1 = true; } } } var node_next = ((a_node != null) && a_node.Nodes.Any()) ? a_node.Nodes.First() : null; var expected_next = ((a_expected_node != null) && a_expected_node.Nodes.Any()) ? a_expected_node.Nodes.First() : null; if ((node_next == null) || (expected_next == null)) { return(b1); } if (!node_next.Solution.Equals(expected_next.Solution)) { var next = a_node.Nodes.FirstOrDefault(n => n.Solution.Equals(expected_next.Solution)); if (next == null) { next = a_expected_node.Nodes.FirstOrDefault(n => n.Solution.Equals(node_next.Solution)); if (next != null) { expected_next = next; expected_next.SolveWithStepAll(); } else { return(b1); } } else { node_next = next; node_next.SolveWithStepAll(); } } if (node_next.Nodes.Any()) { node_next = node_next.Nodes.First(); } else { return(b1); } if (expected_next.Nodes.Any()) { expected_next = expected_next.Nodes.First(); } else { return(b1); } bool b2 = CompareNodes(node_next, expected_next, a_fileInfo, a_list, add_counter, remove_counter); return(b1 | b2); }
public void Test_Solutions_Unique() { ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name); FileInfo[] files = new DirectoryInfo(Directories.Solutions).GetFiles(FileExtensions.XmlZipMask); var solutions1 = (from file in files.AsParallel() select new { intermediate_solution = SudokuIntermediateSolution.LoadFromFile(file.FullName), fileName = file.FullName, }).ToArray(); solutions1.ForEach(example => Assert.IsNotNull(example.intermediate_solution, example.fileName)); var solutions2 = (from sol in solutions1.AsParallel() select new[] { new { intermediate_solution = sol.intermediate_solution, fileName = sol.fileName, rotate = 0 }, new { intermediate_solution = sol.intermediate_solution.Rotate(), fileName = sol.fileName, rotate = 1 }, new { intermediate_solution = sol.intermediate_solution.Rotate().Rotate(), fileName = sol.fileName, rotate = 2 }, new { intermediate_solution = sol.intermediate_solution.Rotate().Rotate().Rotate(), fileName = sol.fileName, rotate = 3 } }).SelectMany().ToArray(); var solutions_gr = (from obj in solutions2 group obj by obj.intermediate_solution.Solution.Type into gr select(from obj in gr orderby obj.fileName select obj).ToArray()).ToArray(); solutions_gr = (from gr in solutions_gr select(gr.Length == 80) ? new[] { gr.Take(40).ToArray(), gr.Skip(40).Take(40).ToArray() } : new[] { gr }).SelectMany(gr => gr.ToArray()).ToArray(); ConcurrentBag <string> not_uniques = new ConcurrentBag <string>(); ConcurrentCounter counter = new ConcurrentCounter(); int count = solutions_gr.Sum(gr => gr.Length); Parallel.ForEach(solutions_gr, (solution_gr) => { var sols = solution_gr; foreach (var solution1 in sols) { foreach (var solution2 in sols.Except(solution1)) { if (sols.IndexOf(solution1) >= sols.IndexOf(solution2)) { continue; } if ((solution1.fileName == solution2.fileName)) { continue; } if (solution1.intermediate_solution.Equals(solution2.intermediate_solution)) { not_uniques.Add("are the same"); not_uniques.Add("solution1; " + solution1.rotate + " - " + solution1.fileName); not_uniques.Add("solution2; " + solution2.rotate + " - " + solution2.fileName); } } counter.Increment(); pi.AddLine((counter.Value * 100 / count).ToString()); } }); if (not_uniques.Count != 0) { foreach (var line in not_uniques) { TestContext.WriteLine(line); } Assert.Fail(); } }
public void Test_Solutions_Solvable() { SudokuOptions.Current.ShowAllSolutions = false; SudokuOptions.Current.IncludeBoxes = true; FileInfo[] files = new DirectoryInfo(Directories.Solutions).GetFiles(FileExtensions.XmlZipMask); ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name); var solutions1 = (from file in files.AsParallel() select new { intermediate_solution = SudokuIntermediateSolution.LoadFromFile(file.FullName), fileName = file.FullName }).ToArray(); var solutions2 = (from sol in solutions1.AsParallel() select new[] { new { intermediate_solution = sol.intermediate_solution, fileName = sol.fileName, rotate = 0 }, new { intermediate_solution = sol.intermediate_solution.Rotate(), fileName = sol.fileName, rotate = 1 }, new { intermediate_solution = sol.intermediate_solution.Rotate().Rotate(), fileName = sol.fileName, rotate = 2 }, new { intermediate_solution = sol.intermediate_solution.Rotate().Rotate().Rotate(), fileName = sol.fileName, rotate = 3 } }).SelectMany().ToArray(); var solutions3 = (from sol in solutions2 group sol by sol.intermediate_solution.Solution.Type into gr select gr.ToArray()).ToArray(); ConcurrentBag <string> unsolvable = new ConcurrentBag <string>(); int count = solutions3.Sum(gr => gr.Count()); ConcurrentCounter counter = new ConcurrentCounter(); Parallel.ForEach(ChunkPartitioner.Create(solutions3.SelectMany(), 10), (solution) => { if (!solution.intermediate_solution.Test(true)) { unsolvable.Add("unsolvable; rotate_" + solution.rotate + "; " + solution.fileName); } counter.Increment(); pi.AddLine((counter.Value * 100 / count).ToString()); }); if (unsolvable.Count > 0) { foreach (var file in unsolvable) { TestContext.WriteLine(file); } Assert.Fail(); } }
public void Test_Solutions_Quantity() { SudokuOptions.Current.ShowAllSolutions = false; SudokuOptions.Current.IncludeBoxes = true; ProgressIndicator pi = new ProgressIndicator(System.Reflection.MethodBase.GetCurrentMethod().Name); FileInfo[] files = new DirectoryInfo(Directories.Solutions).GetFiles(FileExtensions.XmlZipMask); var solutions = (from file in files.AsParallel() select new { intermediate_solution = SudokuIntermediateSolution.LoadFromFile(file.FullName), fileName = file.FullName, }).ToArray(); solutions.ForEach(example => Assert.IsNotNull(example.intermediate_solution, example.fileName)); var solutions_gr = (from obj in solutions group obj by obj.intermediate_solution.Solution.Type into gr select(from obj in gr orderby obj.fileName select obj).ToArray()).ToArray(); ConcurrentBag <string> bad_quantities = new ConcurrentBag <string>(); Parallel.ForEach(solutions_gr, (solution_gr) => { pi.AddLine((solutions_gr.IndexOf(solution_gr) * 100 / solutions_gr.Count()).ToString()); if (new[] { SudokuSolutionType.XWing, SudokuSolutionType.JellyFish, SudokuSolutionType.SwordFish }.Contains( solution_gr.First().intermediate_solution.Solution.Type)) { if (solution_gr.Count() < 20) { bad_quantities.Add(solution_gr.First().intermediate_solution.Solution.Type + " - less then 20"); } else if (solution_gr.Count() > 20) { bad_quantities.Add(solution_gr.First().intermediate_solution.Solution.Type + " - more then 20"); } else { SudokuOptions.Current.IncludeBoxes = false; var gr1 = (from obj in solution_gr.Take(10) select obj.intermediate_solution.Solution).ToList(); int c1 = SudokuSolutionNode.FilterByOptions(gr1).Count(); if (c1 == 0) { bad_quantities.Add(solution_gr.First().intermediate_solution.Solution.Type + " - solutions from 1 to 10 doesn't contains any boxes"); } if (c1 == 10) { bad_quantities.Add(solution_gr.First().intermediate_solution.Solution.Type + " - solutions from 1 to 10 all contains boxes"); } SudokuOptions.Current.IncludeBoxes = false; var gr2 = (from obj in solution_gr.Skip(10).Take(10) select obj.intermediate_solution.Solution).ToList(); int c2 = SudokuSolutionNode.FilterByOptions(gr2).Count(); if (c2 != 10) { bad_quantities.Add(solution_gr.First().intermediate_solution.Solution.Type + " - solutions from 11 to 20 some contains boxes"); } } } else { if (solution_gr.Count() < 10) { bad_quantities.Add(solution_gr.First().intermediate_solution.Solution.Type + " - less then 10"); } if (solution_gr.Count() > 10) { bad_quantities.Add(solution_gr.First().intermediate_solution.Solution.Type + " - more then 10"); } } }); if (solutions_gr.Count() != Enum.GetValues(typeof(SudokuSolutionType)).Length) { bad_quantities.Add("Not all algorithms was tested"); } if (bad_quantities.Count != 0) { foreach (var line in bad_quantities) { TestContext.WriteLine(line); } } }