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Program.cs
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Program.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
namespace DoAnCTDL
{
public class Program
{
static void Main(string[] args)
{
Console.OutputEncoding = System.Text.Encoding.UTF8;
Console.Clear();
// Insert Product
Console.Write("**Product Database using Binary Search Tree** \n");
BSTree tree = new BSTree();
tree.Insert(new Node(new Product(18, "Dell XPS 15 9510", 180, 1, "Up-to-date")));
tree.Insert(new Node(new Product(20, "Ram DDR4", 980, 5, "Fast")));
tree.Insert(new Node(new Product(10, "SSD 256gb", 1000, 4, "Reasonable")));
tree.Insert(new Node(new Product(15, "HDD 1T", 560, 3, "Cheap")));
tree.Insert(new Node(new Product(12, "VGA NVIDIA", 3800, 4, "Cool")));
tree.Insert(new Node(new Product(17, "USB 16gb", 250, 3, "Great")));
tree.Insert(new Node(new Product(7, "Dell Vostro 5490", 18000, 4, "Versatile")));
tree.Insert(new Node(new Product(8, "Surface Pro 3", 15000, 3, "Expensive")));
tree.Insert(new Node(new Product(3, "Logitech Mouse", 480, 3, "Good")));
// Create MENU
for (; ; )
{
Console.BackgroundColor = ConsoleColor.Black;
Console.ForegroundColor = ConsoleColor.Blue;
Console.WriteLine("| 1 - Insert |\n| 2 - Traverse |\n| 3 - Find |\n| 4 - Remove |\n| 5 - DepthTree|\n| 0 - Exit |");
Console.ForegroundColor = ConsoleColor.DarkRed;
Console.Write("\n\n---Choose number: ");
string sel = Console.ReadLine();
int _Id;
int _Price;
string _Productname;
int _Rating;
string _Des;
Console.ForegroundColor = ConsoleColor.White;
switch (sel)
{
case "1":
Console.Write("\nInsert product information: ");
Console.Write("\nId = ");
_Id = int.Parse(Console.ReadLine());
Console.Write("Product Name = ");
_Productname = Console.ReadLine();
Console.Write("Product Price = ");
_Price = int.Parse(Console.ReadLine());
Console.Write("Product Rating = ");
_Rating = int.Parse(Console.ReadLine());
Console.Write("Product Description = ");
_Des = Console.ReadLine();
tree.Insert(new Node(new Product(_Id, _Productname, _Price, _Rating, _Des)));
Console.ReadLine();
Console.Clear();
continue;
case "2":
try
{
Console.WriteLine("\n>> Count nodes: " + tree.numNodesIn());
Console.WriteLine(">> Count edges: " + tree.numEdgesIn());
Console.WriteLine("\nChoose number:");
Console.Write(">> [1] -- Inorder\n>> [2] -- Preorder\n>> [3] -- Postorder\n");
Console.Write("Choose number: ");
sel = Console.ReadLine();
switch (sel)
{
case "1":
tree.TraversetInOrder();
break;
case "2":
tree.TraversePreOrder();
break;
case "3":
tree.TraversePostOrder();
break;
default:
Console.WriteLine(">> Try again please!");
continue;
}
Console.ReadLine();
Console.Clear();
continue;
}
catch
{
Console.WriteLine(">> BSTree not found!");
Console.ReadLine();
Console.Clear();
continue;
}
case "3":
try
{
Console.Write("Enter product Id : ");
_Id = int.Parse(Console.ReadLine());
Node node = tree.Find(_Id);
if (node == null)
{
Console.WriteLine("\n\n>> No results. Please try again!");
}
else
{
Console.WriteLine("\n\n---Find result = " + _Id);
node.Data();
}
Console.ReadLine();
Console.Clear();
continue;
}
catch
{
Console.WriteLine("\n\n>> No results. Please try again!");
Console.ReadLine();
Console.Clear();
continue;
}
case "4":
try
{
Console.Write("Enter product Id: ");
_Id = int.Parse(Console.ReadLine());
Node node = tree.Find(_Id);
if (node == null)
{
Console.WriteLine("\n\n>> No results. Please try again!");
}
else
{
tree.Delete(_Id);
Console.WriteLine("\n\n---Delete product have Id = " + _Id);
//Show Preorder
tree.TraversePreOrder();
//Show Postorder
//tree.TraversePostOrder();
//Show Inorder
//tree.TraversetInOrder();
}
Console.ReadLine();
Console.Clear();
continue;
}
catch
{
Console.WriteLine("\n\n>> No results. Please try again!");
Console.ReadLine();
Console.Clear();
continue;
}
case "5":
{
Console.Write("\n>> Max Depth: " + tree.maxDepth());
Console.Write("\n>> Min Depth: " + tree.minDepth());
Console.ReadLine();
Console.Clear();
break;
}
case "0":
Environment.Exit(0);
continue;
default:
Console.ForegroundColor = ConsoleColor.Yellow;
Console.WriteLine("\n>> Please try another number!");
Console.ReadLine();
Console.Clear();
break;
}
}
}
}
}