init

AiSD.Laba2.sln

@@ -5,6 +5,8 @@ VisualStudioVersion = 17.4.33403.182
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AiSD.Laba2", "AiSD.Laba2\AiSD.Laba2.csproj", "{FDC419D9-4F2A-4771-840D-46A2EFD4AA6E}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "HuffmanCode", "HuffmanCode\HuffmanCode.csproj", "{A3AA3A92-EEE1-4133-95B3-C8C6814A0964}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{FDC419D9-4F2A-4771-840D-46A2EFD4AA6E}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{FDC419D9-4F2A-4771-840D-46A2EFD4AA6E}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{FDC419D9-4F2A-4771-840D-46A2EFD4AA6E}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A3AA3A92-EEE1-4133-95B3-C8C6814A0964}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A3AA3A92-EEE1-4133-95B3-C8C6814A0964}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A3AA3A92-EEE1-4133-95B3-C8C6814A0964}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A3AA3A92-EEE1-4133-95B3-C8C6814A0964}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

HuffmanCode/Algoritm.cs

@@ -0,0 +1,73 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Collections;
+
+namespace ЛР_2._0
+{
+    internal class Algoritm
+    {
+        Node root = null;
+        Dictionary<char, string> characters = new Dictionary<char, string>();
+
+        public void work(string data)
+        {
+            var charDict = new Dictionary<char, int>();
+            for (int i = 0; i < data.Length; i++)
+            {
+                if (charDict.ContainsKey(data[i]))
+                {
+                    charDict[data[i]]++;
+                }
+                else
+                {
+                    charDict.Add(data[i], 1);
+                }
+            }
+
+            List<Node> nodes = new List<Node>();
+            foreach (var item in charDict)
+            {
+                nodes.Add(new Node() { Character = item.Key.ToString(), Count = item.Value });
+            }
+            nodes.Sort();
+            while (nodes.Count != 1)
+            {
+                var tempNode = new Node();
+                tempNode.Character = nodes[0].Character + nodes[1].Character;
+                //нужно чтобы сложило две буквы в одно
+                tempNode.Count = nodes[0].Count + nodes[1].Count;
+                tempNode.Left = nodes[0];
+                tempNode.Right = nodes[1];
+                
+                nodes.RemoveAt(0); 
+                nodes.RemoveAt(0);
+                nodes.Add(tempNode);
+                nodes.Sort();
+            }  
+            root = nodes[0];
+
+            MyEncode(root);
+
+            //TODO: красиво вывести
+        }
+
+        protected void MyEncode(Node node, string code = "")
+        {
+            if (node.Character.Length == 1)
+            {
+                characters.Add(node.Character[0], code);
+            }
+            else
+            {
+                MyEncode(node.Left, code + "0");
+                MyEncode(node.Right, code + "1");
+            }
+        }
+
+    }
+
+}
+

HuffmanCode/HuffmanCode.csproj

@@ -0,0 +1,10 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

HuffmanCode/Node.cs

@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace HuffmanCode
+{
+    internal class Node
+    {   
+        public string Сharacter { get; set; }
+        public int Count { get; set; }
+        public Node? Left { get; set; }
+        public Node? Right { get; set; }
+    }
+}

HuffmanCode/Program.cs

@@ -0,0 +1,7 @@
+using ЛР_2._0;
+
+Console.WriteLine("Please enter the string:");
+string data = Console.ReadLine();
+Algoritm algoritm = new Algoritm();
+algoritm.work(data);
+