Start() public method

Start method
public Start ( long timeout ) : void
timeout long /// The timeout. ///
return void
示例#1
0
        static void Main(string[] args)
        {
            Network net = new Network();

            IntVariable[] A = new IntVariable[6];
            for (int j=0; j< 6; j++)
            {
                IntDomain d = new IntDomain(1, 9);
                A[j] = new IntVariable(net);
                A[j].Domain = d;
                Trail trail = new Trail();
            }
            ((A[4].Multiply(10).Add(A[5])).Multiply(A[0])).Add(
            ((A[1].Multiply(10).Add(A[2])).Multiply(A[3]))).Equals(
                (A[1].Multiply(10).Add(A[2])).Multiply(A[4].Multiply(10).Add(A[5])));
            new NotEquals(net, A);
            Solver solver = new DefaultSolver(net);
            int i = 0;
            for (solver.Start(); solver.WaitNext(); solver.Resume())
            {
                Solution solution = solver.Solution;
                Console.Out.WriteLine();
                Console.Out.WriteLine(solution.GetIntValue(A[0]) + "    " + solution.GetIntValue(A[3]));
                Console.Out.WriteLine("-- + -- = 1");
                Console.Out.WriteLine(solution.GetIntValue(A[1])+""+solution.GetIntValue(A[2])+"   "+
                                      solution.GetIntValue(A[4]) + solution.GetIntValue(A[5]));
                Console.Out.WriteLine("=========");
                i++;
            }
            Console.Out.WriteLine("There are {0} solutions",i);

            solver.Stop();
            Console.In.ReadLine();
            //------------------------------------------------------------------------------------------
        }
示例#2
0
 internal void queens(int n)
 {
     var c = 0;
     var net = new Network();
     var q = new IntVariable[n];
     var u = new IntVariable[n];
     var d = new IntVariable[n];
     for (var i = 0; i < n; ++i)
     {
         q[i] = new IntVariable(net, 1, n);
         u[i] = q[i].Add(i);
         d[i] = q[i].Subtract(i);
     }
     new NotEquals(net, q);
     new NotEquals(net, u);
     new NotEquals(net, d);
     Solver solver = new DefaultSolver(net);
     for (solver.Start(); solver.WaitNext(); solver.Resume())
     {
         Solution solution = solver.Solution;
         sol[c] = new int[8];
         for (int i = 0; i < n; i++)
         {
             var s = solution.GetIntValue(q[i]);
             sol[c][i] = solution.GetIntValue(q[i]);
         }
         c++;
     }
     solver.Stop();
 }
示例#3
0
    public static void Main(String[] args)
    {
        // Create a constraint network
        Network net = new Network();
        // Declare variables
        IntVariable x = new IntVariable(net);
        IntVariable y = new IntVariable(net);
        // x >= 0
        x.Ge(0);
        // y >= 0
        y.Ge(0);
        // x + y == 7
        x.Add(y).Equals(7);
        // 2x + 4y == 20
        x.Multiply(2).Add(y.Multiply(4)).Equals(20);
        // Solve the problem
        Solver solver = new DefaultSolver(net);
        /*Solution solution = solver.findAll(Solution);
        int xv = solution.getIntValue(x);
        int yv = solution.getIntValue(y);
        Console.Out.WriteLine("x = " + xv + ", y = " + yv);
        */

        for (solver.Start(); solver.WaitNext(); solver.Resume()) {
        Solution solution = solver.Solution;
        int xv = solution.GetIntValue(x);
        int yv = solution.GetIntValue(y);
        Console.Out.WriteLine("x8 = " + xv + ", y = " + yv);
        }
        solver.Stop();

        //solver.findAll(new FirstStepHandler(x, y));
        Console.In.ReadLine();
    }
示例#4
0
        public static void Main(string[] args)
        {
            var net = new Network();

            var x = new IntVariable(net, 0, 708);
            var y = new IntVariable(net, 0, 708);
            var z = new IntVariable(net, 0, 708);
            var t = new IntVariable(net, 0, 708);
            x.Add(y).Add(z).Add(t).Equals(711);
            x.Ge(y);
            y.Ge(z);
            z.Ge(t);
            x.Multiply(y).Multiply(z).Multiply(t).Equals(711000000);
            Solver solver = new DefaultSolver(net);
            for (solver.Start(); solver.WaitNext(); solver.Resume())
            {
                var solution = solver.Solution;
                Console.Out.WriteLine();
                Console.Out.WriteLine(" {0:F} + {1:F} + {2:F} + {3:F} = {4:F} ",
                                      solution.GetIntValue(x)/100.0, solution.GetIntValue(y)/100.0,
                                      solution.GetIntValue(z)/100.0, solution.GetIntValue(t)/100.0,7.11 );
            }
            solver.Stop();
            Console.ReadLine();
        }
示例#5
0
        internal static void pp()
        {
            Network net = new Network();
            // number of materials
            int m = 3;
            // limit of each material
            int[] limit = new int[] { 1650, 1400, 1800 };
            // number of products
            int n = 2;
            // profit of each product
            int[] p = new int[] { 5, 4 };
            // amount of materials required to make each product
            int[][] a = new int[][] { new int[] { 15, 10, 9 }, new int[] { 11, 14, 20 } };

            // initialize variables for products
            IntVariable[] x = new IntVariable[n];
            for (int j = 0; j < n; j++)
            {
                x[j] = new IntVariable(net);
                x[j].Ge(0);
            }
            // generate constraits of limiting materials
            for (int i = 0; i < m; i++)
            {
                IntVariable sum = new IntVariable(net, 0);
                for (int j = 0; j < n; j++)
                {
                    sum = sum.Add(x[j].Multiply(a[j][i]));
                }
                sum.Le(limit[i]);
            }
            // total profit
            IntVariable profit = new IntVariable(net, 0);
            for (int j = 0; j < n; j++)
            {
                profit = profit.Add(x[j].Multiply(p[j]));
            }
            // maximize the total profit
            net.Objective = profit;
            // iteratively find a better solution until the optimal solution is found
            Solver solver = new DefaultSolver(net, Solver.Maximize | Solver.Better);
            for (solver.Start(); solver.WaitNext(); solver.Resume())
            {
                Solution solution = solver.Solution;
                Console.WriteLine(solver.GetCount());
                Console.Out.WriteLine("Profit = " + solution.GetIntValue(profit));
                for (int j = 0; j < n; j++)
                {
                    Console.Out.WriteLine("x[" + j + "]=" + solution.GetIntValue(x[j]));
                }
                Console.Out.WriteLine();
            }

            solver.Stop();
            Console.ReadLine();
        }
示例#6
0
    internal static void golomb(int m)
    {
        int n = (1 << (m - 1)) - 1;
        Network net = new Network();
        IntVariable[] a = new IntVariable[m];
        a[0] = new IntVariable(net, 0);
        for (int i = 1; i < m; i++)
        {
            a[i] = new IntVariable(net, 1, n);
            a[i - 1].Lt(a[i]);
        }
        IntVariable[] d = new IntVariable[m * (m - 1) / 2];
        int k = 0;
        for (int i = 0; i < m; i++)
        {
            for (int j = i + 1; j < m; j++)
            {
                d[k++] = a[j].Subtract(a[i]);
            }
        }
        //d[0].Lt((d[m - 1]));
        new NotEquals(net, d);
        net.Objective=a[m - 1];

        Solver solver = new DefaultSolver(net, Solver.Minimize);
        Solution solution;
        for (solver.Start(); solver.WaitNext(); solver.Resume())
        {
            solution = solver.Solution;
            //estSolution = solver.BestSolution;

            Console.Out.Write("0");
                   for (int i = 1; i < m; i++)
                   {
                       Console.Out.Write("," + solution.GetIntValue(a[i]));
                   }
                   Console.Out.WriteLine();
        }
        solver.Stop();
        solution = solver.FindBest();
        Console.Out.WriteLine("===========================");
        Console.Out.Write("0");
        for (int i = 1; i < m; i++)
        {
            Console.Out.Write("," + solution.GetIntValue(a[i]));
        }
        Console.Out.WriteLine();
    }
示例#7
0
 public static void Main(String[] args)
 {
     Network net = new Network();
     int n = 3;
     int sum = n * (n * n + 1) / 2;
     IntVariable[][] v = new IntVariable[n][];
     for (int i = 0; i < n; i++)
     {
         v[i] = new IntVariable[n];
     }
     for (int i = 0; i < n; i++)
         for (int j = 0; j < n; j++)
             v[i][j] = new IntVariable(net, 1, n * n);
     IntVariable[] u = new IntVariable[] { v[0][0], v[0][1], v[0][2], v[1][0], v[1][1], v[1][2], v[2][0], v[2][1], v[2][2] };
     new NotEquals(net, u);
     for (int i = 0; i < n; i++)
         v[i][0].Add(v[i][1]).Add(v[i][2]).Equals(sum);
     for (int j = 0; j < n; j++)
         v[0][j].Add(v[1][j]).Add(v[2][j]).Equals(sum);
     v[0][0].Add(v[1][1]).Add(v[2][2]).Equals(sum);
     v[0][2].Add(v[1][1]).Add(v[2][0]).Equals(sum);
     Solver solver = new DefaultSolver(net);
     for (solver.Start(); solver.WaitNext(); solver.Resume())
     {
         Solution solution = solver.Solution;
         for (int i = 0; i < n; i++)
         {
             for (int j = 0; j < n; j++)
                 Console.Out.Write(solution.GetIntValue(v[i][j]) + " ");
             Console.Out.WriteLine();
         }
         Console.Out.WriteLine();
     }
     solver.Stop();
     Console.ReadLine();
 }
示例#8
0
    internal static void solve()
    {
        setProblem();

        Solver solver = new DefaultSolver(net);
        for (solver.Start(); solver.WaitNext(); solver.Resume())
        {
            Solution solution = solver.Solution;
            printSolution(solution);
        }
        solver.Stop();
    }
示例#9
0
        public static void solve()
        {
            int FAMILIES = 2;
            int CHILDREN = 6;
            int maxAge = 9;

            Network net = new Network();

            IntVariable[][] isBoy = new IntVariable[FAMILIES][];
            for (int i = 0; i < FAMILIES; i++)
            {
                isBoy[i] = new IntVariable[CHILDREN];
            }
            IntVariable[][] age = new IntVariable[FAMILIES][];
            for (int i2 = 0; i2 < FAMILIES; i2++)
            {
                age[i2] = new IntVariable[CHILDREN];
            }
            IntVariable[][] boyAge = new IntVariable[FAMILIES][];
            for (int i3 = 0; i3 < FAMILIES; i3++)
            {
                boyAge[i3] = new IntVariable[CHILDREN];
            }
            IntVariable[][] girlAge = new IntVariable[FAMILIES][];
            for (int i4 = 0; i4 < FAMILIES; i4++)
            {
                girlAge[i4] = new IntVariable[CHILDREN];
            }

            for (int family = 0; family < FAMILIES; family++)
            {
                for (int child = 0; child < CHILDREN; child++)
                {
                    isBoy[family][child] = new IntVariable(net, 0, 1);
                    age[family][child] = new IntVariable(net, 0, maxAge);
                    if (child > 0)
                        age[family][child].Gt(age[family][child - 1]);
                    boyAge[family][child] = age[family][child].Multiply(isBoy[family][child]);
                    girlAge[family][child] = age[family][child].Subtract(boyAge[family][child]);
                }
            }

            isBoy[0][0].Equals(0);
            isBoy[1][0].Equals(0);
            age[1][0].Equals(0);

            for (int family = 0; family < FAMILIES; family++)
            {
                sum(isBoy[family]).Equals(3);
                sum(boyAge[family]).Equals(sum(girlAge[family]));
                sum2(boyAge[family]).Equals(sum2(girlAge[family]));
            }
            sum(age).Equals(60);

            Solver solver = new DefaultSolver(net);
            for (solver.Start(); solver.WaitNext(); solver.Resume())
            {
                Solution solution = solver.Solution;
                for (int family = 0; family < FAMILIES; family++)
                {
                    Console.Out.Write("Family " + family + ": ");
                    for (int child = 0; child < CHILDREN; child++)
                    {
                        int _isBoy = solution.GetIntValue(isBoy[family][child]);
                        int _age = solution.GetIntValue(age[family][child]);
                        Console.Out.Write(_isBoy != 0 ? "Boy  " : "Girl ");
                        Console.Out.Write(_age + "  ");
                    }
                    Console.Out.WriteLine();
                }
            }
            Console.ReadLine();
        }
示例#10
0
 internal static void runExample(Network net, int opt)
 {
     Console.Out.WriteLine("# Problem");
     //UPGRADE_TODO: Method 'java.io.PrintStream.println' was converted to 'System.Console.Out.WriteLine' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaioPrintStreamprintln_javalangObject'"
     Console.Out.WriteLine(net);
     Console.Out.WriteLine("# Solutions");
     Solver solver = new DefaultSolver(net, opt);
     for (solver.Start(); solver.WaitNext(); solver.Resume())
     {
         Solution solution = solver.Solution;
         Console.Out.WriteLine(solution);
     }
     solver.Stop();
     long count = solver.GetCount();
     long time = solver.GetElapsedTime();
     Console.Out.WriteLine("Found " + count + " solutions in " + time + " milli seconds");
     Console.Out.WriteLine();
 }
示例#11
0
    public static void magic(int n)
    {
        Network net = new Network();
        IntVariable[][] square = new IntVariable[n][];
        for (int i = 0; i < n; i++)
        {
            square[i] = new IntVariable[n];
        }

        // All squares have different numbers 1 .. n*n
        IntVariable[] v = new IntVariable[n * n];
        int k = 0;
        for (int i = 0; i < n; i++)
        {
            for (int j = 0; j < n; j++)
            {
                square[i][j] = new IntVariable(net, 1, n * n);
                v[k++] = square[i][j];
            }
        }
        new NotEquals(net, v);

        // Sum of each row is n*(n*n+1)/2
        IntVariable s;
        int sum = n * (n * n + 1) / 2;
        for (int i = 0; i < n; i++)
        {
            s = square[i][0];
            for (int j = 1; j < n; j++)
                s = s.Add(square[i][j]);
            s.Equals(sum);
        }

        // Sum of each column is n*(n*n+1)/2
        for (int j = 0; j < n; j++)
        {
            s = square[0][j];
            for (int i = 1; i < n; i++)
                s = s.Add(square[i][j]);
            s.Equals(sum);
        }

        // Sum of down-diagonal is n*(n*n+1)/2
        s = square[0][0];
        for (int i = 1; i < n; i++)
            s = s.Add(square[i][i]);
        s.Equals(sum);

        // Sum of up-diagonal is n*(n*n+1)/2
        s = square[0][n - 1];
        for (int i = 1; i < n; i++)
            s = s.Add(square[i][n - i - 1]);
        s.Equals(sum);

        // Left-upper corner is minimum
        square[0][0].Lt(square[0][n - 1]);
        square[0][0].Lt(square[n - 1][0]);
        square[0][0].Lt(square[n - 1][n - 1]);

        // Upper-right is less than lower-left
        square[0][n - 1].Lt(square[n - 1][0]);

        Console.Out.WriteLine("Start");
        long time0 = (DateTime.Now.Ticks - 621355968000000000) / 10000;
        int count = 0;
        bool output = true;
        Solver solver = new DefaultSolver(net);
        for (solver.Start(); solver.WaitNext(); solver.Resume())
        {
            if (output)
            {
                Solution solution = solver.Solution;
                for (int i = 0; i < n; i++)
                {
                    for (int j = 0; j < n; j++)
                    {
                        Console.Out.Write(solution.GetIntValue(square[i][j]) + " ");
                    }
                    Console.Out.WriteLine();
                }
                Console.Out.WriteLine();
            }
            count++;
        }
        solver.Stop();
        int time = (int)(((DateTime.Now.Ticks - 621355968000000000) / 10000 - time0) / 1000);
        Console.Out.WriteLine(count + " solutions found in " + time + " seconds");
    }