Esempio n. 1
0
        /// <summary>
        /// Main method.
        /// </summary>
        /// <param name="args"></param>
        static void Main(string[] args)
        {
            // these are used to decide whether to see
            // parts of the assignment that were required
            // on the handout.
            bool   userChoice;
            string choice;

            Tree <string> bt = new Tree <string>();

            // I tried to use an array to store the characters and then
            // iterate through these. I feel like the list of tree elements
            // could be entered by the user in a line, like:
            //          a,b,s,d,f,e,g
            // and read from that array, but I couldn't get it to work in a
            // way that would make writing that code worth the effort.
            //Console.WriteLine("Enter a series of values to add to the tree,
            //separated by commas: ");

            bt.moveTo(Relative.Root);

            // This could be done differently, I think
            // examples that use Add to add to a tree
            bt.Add("A", Relative.Root);
            bt.Add("B", Relative.LeftChild);
            bt.Add("C", Relative.RightChild);

            bt.moveTo(Relative.LeftChild);
            bt.Add("D", Relative.LeftChild);
            bt.moveTo(Relative.LeftChild);

            bt.Add("F", Relative.RightChild);

            bt.moveTo(Relative.Root);
            bt.moveTo(Relative.RightChild);
            bt.Add("E", Relative.RightChild);
            bt.moveTo(Relative.RightChild);

            bt.Add("G", Relative.LeftChild);

            // let's go to the top of the tree and demonstrate
            // the other functions we wrote for the assignment!
            bt.moveTo(Relative.Root);

            Console.WriteLine("Demonstration of Size method: ");
            Console.WriteLine(bt.GetTreeSize(bt));

            Console.WriteLine("Preorder Traversal");
            bt.PreOrder(bt.Root);
            Console.WriteLine("\n");

            Console.WriteLine("Inorder Traversal");
            bt.InOrder(bt.Root);
            Console.WriteLine("\n");

            Console.WriteLine("Postorder Traversal");
            bt.PostOrder(bt.Root);
            Console.WriteLine("\n");
            bt.moveTo(Relative.Root);

            // I could not make this work!
            //Console.WriteLine("Demonstration of Add requirement. Please enter a key...\n");
            //string str = Console.ReadLine();
            //bt.Add(str, Relative.Root);

            Environment.Exit(0);
        }
Esempio n. 2
0
        //Tree diagram
        //                 50
        //
        //         30             90
        //
        //      10   45         70   95
        //
        //     5    35  48    55       105
        static void Main(string[] args)
        {
            Tree tree = new Tree();

            tree.insert(50);
            tree.insert(30);
            tree.insert(80);
            tree.insert(10);
            tree.insert(45);
            tree.insert(70);
            tree.insert(95);
            tree.insert(5);
            tree.insert(35);
            tree.insert(48);
            tree.insert(55);
            tree.insert(90);
            tree.insert(105);

            Console.WriteLine("Tree has a height of " + tree.getHeight() + ".");
            tree.insert(120);
            Console.WriteLine("Tree has a height of " + tree.getHeight() + ".");
            tree.insert(4);
            tree.insert(3);
            Console.WriteLine("Tree has a height of " + tree.getHeight() + ".");

            Console.WriteLine("Tree has " + tree.getNumberOfNodes() + " nodes.");

            Console.WriteLine("Is 70 in the tree? " + (tree.contains(70) ? "Yes" : "No"));
            Console.WriteLine("Is 12 in the tree? " + (tree.contains(12) ? "Yes" : "No"));
            Console.WriteLine("Is 55 in the tree? " + (tree.contains(55) ? "Yes" : "No"));
            Console.WriteLine("Is 40 in the tree? " + (tree.contains(40) ? "Yes" : "No"));
            Console.WriteLine("Is 5 in the tree? " + (tree.contains(5) ? "Yes" : "No"));
            Console.WriteLine("Is 6 in the tree? " + (tree.contains(6) ? "Yes" : "No"));
            Console.WriteLine("Is 48 in the tree? " + (tree.contains(48) ? "Yes" : "No"));
            Console.WriteLine("Is 47 in the tree? " + (tree.contains(47) ? "Yes" : "No"));

            Node <int> node45       = tree.search(45);
            String     leftNode45   = node45.getLeft() == null ? "empty" : node45.getLeft().getData().ToString();
            String     rightNode45  = node45.getRight() == null ? "empty" : node45.getRight().getData().ToString();
            String     parentNode45 = node45.getParent() == null ? "empty" : node45.getParent().getData().ToString();

            Console.WriteLine("Node 45 left child: " + leftNode45 + " right child: " + rightNode45 + " parent: " + parentNode45);

            Node <int> node70       = tree.search(70);
            String     leftNode70   = node70.getLeft() == null ? "empty" : node70.getLeft().getData().ToString();
            String     rightNode70  = node70.getRight() == null ? "empty" : node70.getRight().getData().ToString();
            String     parentNode70 = node70.getParent() == null ? "empty" : node70.getParent().getData().ToString();

            Console.WriteLine("Node 70 left child: " + leftNode70 + " right child: " + rightNode70 + " parent: " + parentNode70);

            Node <int> node105       = tree.search(105);
            String     leftNode105   = node105.getLeft() == null ? "empty" : node105.getLeft().getData().ToString();
            String     rightNode105  = node105.getRight() == null ? "empty" : node105.getRight().getData().ToString();
            String     parentNode105 = node105.getParent() == null ? "empty" : node105.getParent().getData().ToString();

            Console.WriteLine("Node 105 left child: " + leftNode105 + " right child: " + rightNode105 + " parent: " + parentNode105);

            tree.delete(80);
            Node <int> node90       = tree.search(90);
            String     leftNode90   = node90.getLeft() == null ? "empty" : node90.getLeft().getData().ToString();
            String     rightNode90  = node90.getRight() == null ? "empty" : node90.getRight().getData().ToString();
            String     parentNode90 = node90.getParent() == null ? "empty" : node90.getParent().getData().ToString();

            Console.WriteLine("Node 90 left child: " + leftNode90 + " right child: " + rightNode90 + " parent: " + parentNode90);

            Node <int> node95       = tree.search(95);
            String     leftNode95   = node95.getLeft() == null ? "empty" : node95.getLeft().getData().ToString();
            String     rightNode95  = node95.getRight() == null ? "empty" : node95.getRight().getData().ToString();
            String     parentNode95 = node95.getParent() == null ? "empty" : node95.getParent().getData().ToString();

            Console.WriteLine("Node 95 left child: " + leftNode95 + " right child: " + rightNode95 + " parent: " + parentNode95);

            Node <int> node50       = tree.search(50);
            String     leftNode50   = node50.getLeft() == null ? "empty" : node50.getLeft().getData().ToString();
            String     rightNode50  = node50.getRight() == null ? "empty" : node50.getRight().getData().ToString();
            String     parentNode50 = node50.getParent() == null ? "empty" : node50.getParent().getData().ToString();

            Console.WriteLine("Node 50 left child: " + leftNode50 + " right child: " + rightNode50 + " parent: " + parentNode50);


            Console.Write("Inorder: ");
            tree.inOrder();
            Console.WriteLine();
            Console.Write("Preorder: ");
            tree.preOrder();
            Console.WriteLine();
            Console.Write("Postorder: ");
            tree.postOrder();
            Console.WriteLine();
            Console.Write("Breadth first: ");
            tree.breadthFirst();
            Console.WriteLine();
        }