private static void Main()
{
Console.WriteLine("Represents the following tree");
Console.WriteLine(@" 4 ");
Console.WriteLine(@" / \ ");
Console.WriteLine(@" / \ ");
Console.WriteLine(@" / \ ");
Console.WriteLine(@" / \ ");
Console.WriteLine(@" 2 6 ");
Console.WriteLine(@" / \ / \ ");
Console.WriteLine(@" / \ / \ ");
Console.WriteLine(@" / \ / \ ");
Console.WriteLine(@" 1 3 5 7 ");
var binaryTree = new BinaryTree<int>();
binaryTree.Add(4);
binaryTree.Add(2);
binaryTree.Add(6);
binaryTree.Add(1);
binaryTree.Add(3);
binaryTree.Add(5);
binaryTree.Add(7);
var preOrderTraversal = new PreOrderTraversal<int>();
Console.Write("PreOrder: ");
preOrderTraversal.Traverse(binaryTree.Root);
Console.WriteLine();
Console.Write("InOrder: ");
var inOrderTraversal = new PreOrderTraversal<int>();
inOrderTraversal.Traverse(binaryTree.Root);
Console.WriteLine();
Console.Write("PostOrder: ");
var postOrderTraversal = new PostOrderTraversal<int>();
postOrderTraversal.Traverse(binaryTree.Root);
Console.WriteLine();
Console.WriteLine("Value to find: 5");
Node<int> nodeFound = binaryTree.Find(5);
if (nodeFound == null)
Console.WriteLine("Value not found");
else
Console.WriteLine("Value found: {0}", nodeFound.Value);
Console.WriteLine();
Console.WriteLine("Value to find: 100");
Node<int> notFound = binaryTree.Find(100);
Console.WriteLine(notFound == null ? "Worked as expected" : "Failed");
}
static void Main(string[] args)
{
Console.WriteLine("Hello World!");
//declare and define the tree root for both
Node treeRoot = new Node(20);
//create new Binary Search Tree
BinarySearchTree binarySearch = new BinarySearchTree();
//create new binary tree
BinaryTree biTree = new BinaryTree();
//add to binary search tree
Console.WriteLine("adding some nodes to binary search tree");
binarySearch.Add(treeRoot, new Node(17));
binarySearch.Add(treeRoot, new Node(15));
binarySearch.Add(treeRoot, new Node(10));
binarySearch.Add(treeRoot, new Node(9));
binarySearch.Add(treeRoot, new Node(5));
binarySearch.Add(treeRoot, new Node(3));
//add to binary tree
Console.WriteLine("adding some nodes to binary tree");
biTree.Add(treeRoot, new Node(3));
biTree.Add(treeRoot, new Node(5));
biTree.Add(treeRoot, new Node(9));
biTree.Add(treeRoot, new Node(10));
biTree.Add(treeRoot, new Node(15));
biTree.Add(treeRoot, new Node(17));
// expected output 20, 3, 5, 9, 10, 15, 17
binarySearch.PreOrder(treeRoot);
biTree.PreOrder(treeRoot);
// expected output
biTree.InOrder(treeRoot);
// expected output
biTree.PostOrder(treeRoot);
// expected output
biTree.BreadthFirst(treeRoot);
}
public static void BinaryTree()
{
Console.Clear();
Console.WriteLine("This is a Binary Tree");
Node n1 = new Node(15);
Node n2 = new Node(20);
Node n3 = new Node(10);
Node n4 = new Node(70);
Node n5 = new Node(30);
Node n6 = new Node(40);
Node n7 = new Node(50);
BinaryTree binaryTree = new BinaryTree(n1);
binaryTree.Add(n1, n2);
binaryTree.Add(n1, n3);
binaryTree.Add(n1, n4);
binaryTree.Add(n1, n5);
binaryTree.Add(n1, n6);
binaryTree.Add(n1, n7);
Console.WriteLine("This is BreadthFirst");
Console.WriteLine("The order should be:");
Console.WriteLine("15 -> 20 -> 10 -> 70 -> 30 -> 40 -> 50");
Console.WriteLine("The traversal starts now:");
// 15 -> 20 -> 10 -> 70 -> 30 -> 40 -> 50 ->
binaryTree.BreadthFirst(n1);
Console.ReadLine();
Console.Clear();
Console.WriteLine("This is PreOrder");
Console.WriteLine("The order should be:");
Console.WriteLine("15 -> 20 -> 70 -> 30 -> 10 -> 40 -> 50");
Console.WriteLine("The traversal starts now:");
// 15 -> 20 -> 70 -> 30 -> 10 -> 40 -> 50
binaryTree.PreOrder(n1);
Console.ReadLine();
Console.Clear();
Console.WriteLine("This is InOrder");
Console.WriteLine("The order should be:");
Console.WriteLine("70 -> 20 -> 30 -> 15 -> 40 -> 10 -> 50");
Console.WriteLine("The traversal starts now:");
// 70 -> 20 -> 30 -> 15 -> 40 -> 10 -> 50
binaryTree.InOrder(n1);
Console.ReadLine();
Console.Clear();
Console.WriteLine("This is PostOrder");
Console.WriteLine("The order should be:");
Console.WriteLine("70 -> 30 -> 20 -> 40 -> 50 -> 10 -> 15");
Console.WriteLine("The traversal starts now:");
// 70 -> 30 -> 20 -> 40 -> 50 -> 10 -> 15
binaryTree.PostOrder(n1);
Console.WriteLine();
Console.Clear();
Console.WriteLine("Here is a search for a value in the tree");
try
{
Node node = binaryTree.Search(n1, 20);
Console.WriteLine(node.Value);
Console.ReadLine();
Console.WriteLine("Here is a search for a value not in the tree");
Node node2 = binaryTree.Search(n1, 25);
Console.WriteLine(node2.Value);
}
catch (NullReferenceException)
{
Console.WriteLine("A null reference exception was thrown");
Console.ReadLine();
}
}
public static void Main(string[] args)
{
// Declare placeholder variables - used later by various methods
string menuSelection = "", newNodeInput = "", nodeSearchValue = "";
// Instantiate BinaryTree and BinarySearchTree objects, add initial values
BinaryTree binTree = new BinaryTree(new Node(25));
binTree.Add(binTree.Root, new Node(10));
binTree.Add(binTree.Root, new Node(5));
binTree.Add(binTree.Root, new Node(7));
binTree.Add(binTree.Root, new Node(1));
binTree.Add(binTree.Root, new Node(40));
binTree.Add(binTree.Root, new Node(50));
binTree.Add(binTree.Root, new Node(30));
BinarySearchTree binSearchTree = new BinarySearchTree(new Node(25));
binSearchTree.Add(binSearchTree.Root, new Node(10));
binSearchTree.Add(binSearchTree.Root, new Node(5));
binSearchTree.Add(binSearchTree.Root, new Node(7));
binSearchTree.Add(binSearchTree.Root, new Node(1));
binSearchTree.Add(binSearchTree.Root, new Node(40));
binSearchTree.Add(binSearchTree.Root, new Node(50));
binSearchTree.Add(binSearchTree.Root, new Node(30));
// Loop until the user enters the "8" key to exit the application
do
{
// Prompt user to select an option from the menu
PrintMainMenu();
menuSelection = Console.ReadLine();
Console.Clear();
switch (menuSelection)
{
case "1": // Adds a Node to the Binary Tree
Console.WriteLine("What value you like add to the Binary Tree?");
newNodeInput = Console.ReadLine();
Console.Clear();
if (int.TryParse(newNodeInput, out int binTree_Add))
{
binTree.Add(binTree.Root, new Node(binTree_Add));
Console.WriteLine("Success!");
}
else
{
Console.WriteLine("Sorry, unable to add that value to the Binary Tree.");
}
PromptToReturnToMainMenu();
break;
case "2": // Adds a Node to the Binary Search Tree
Console.WriteLine("What value you like add to the Binary Search Tree?");
newNodeInput = Console.ReadLine();
Console.Clear();
if (int.TryParse(newNodeInput, out int binSearchTree_Add))
{
binSearchTree.Add(binSearchTree.Root, new Node(binSearchTree_Add));
Console.WriteLine("Success!");
}
else
{
Console.WriteLine("Sorry, unable to add that value to the Binary Search Tree.");
}
PromptToReturnToMainMenu();
break;
case "3": // Searches for a value in the Binary Tree
Console.WriteLine("What value you like search for in the Binary Tree?");
nodeSearchValue = Console.ReadLine();
Console.Clear();
if (int.TryParse(nodeSearchValue, out int binTree_Search))
{
Node foundBinTreeNode = binTree.Search(binTree.Root, binTree_Search);
if (foundBinTreeNode != null)
{
Console.WriteLine("Found!");
}
else
{
Console.WriteLine("That value does not exist within the Binary Tree");
}
}
else
{
Console.WriteLine("Sorry, please input an integer to search for.");
}
PromptToReturnToMainMenu();
break;
case "4": // Searches for a value in the Binary Search Tree
Console.WriteLine("What value you like search for in the Binary Search Tree?");
nodeSearchValue = Console.ReadLine();
Console.Clear();
if (int.TryParse(nodeSearchValue, out int binSearchTree_Search))
{
Node foundBinSearchTreeNode = binSearchTree.Search(binSearchTree.Root, binSearchTree_Search);
if (foundBinSearchTreeNode != null)
{
Console.WriteLine("Found!");
}
else
{
Console.WriteLine("That value does not exist within the Binary Search Tree");
}
}
else
{
Console.WriteLine("Sorry, please input an integer to search for.");
}
PromptToReturnToMainMenu();
break;
case "5": // Prints the values in the Binary Tree in "Preorder" sequence
binTree.PreOrder(binTree.Root);
PromptToReturnToMainMenu();
break;
case "6": // Prints the values in the Binary Tree in "Postorder" sequence
binTree.PostOrder(binTree.Root);
PromptToReturnToMainMenu();
break;
case "7": // Prints the values in the Binary Tree in "Inorder" sequence
binTree.InOrder(binTree.Root);
PromptToReturnToMainMenu();
break;
case "8": // Prints the values in the Binary Tree in "Breadth First" sequence
binTree.BreadthFirst(binTree.Root);
PromptToReturnToMainMenu();
break;
case "9": // Exits the Program
Environment.Exit(0);
break;
default: // Handles cases where user doesn't enter a valid menu option
Console.WriteLine("That did not match one of the menu options. Try again.\n");
break;
}
} while (menuSelection != "9");
}
static void Main(string[] args)
{
BinaryTree BTree = new BinaryTree();
BTree.Add(15);
BTree.Add(5);
BTree.Add(10);
BTree.Add(75);
BTree.Add(20);
BTree.Add(11);
BTree.Add(50);
BTree.Add(1);
BTree.Add(6);
BTree.Add(32);
BTree.Add(38);
BTree.Add(26);
BTree.Add(7);
BTree.Add(200);
Console.WriteLine(BTree.Contains(7));
InOrder(BTree);
}