made some progress

fordulo_3/Program/Virus.cs

@@ -0,0 +1,51 @@
+using System;
+using System.Collections.Generic;
+
+namespace Program
+{
+    public class Virus
+    {
+        public int Name { get; set; }
+        public Virus Parent { get; set; }
+        public List<Virus> Infected { get; private set; }
+        public int InfectionTurn { get; set; }
+
+        public Virus(int name, int infectionTurn = 0)
+        {
+            Name = name;
+            Infected = new List<Virus>();
+            InfectionTurn = infectionTurn;
+        }
+
+        public Virus(int name, Virus parent, int infectionTurn = 0) : this(name, infectionTurn)
+        {
+            Parent = parent;
+        }
+
+        public void Infect(Virus virus)
+        {
+            virus.Parent = this;
+            Infected.Add(virus);
+        }
+
+        public void PrintInfectionTree(string indent = "")
+        {
+            Console.WriteLine($"{indent}Virus {Name}");
+            foreach (var infected in Infected)
+            {
+                infected.PrintInfectionTree(indent + "  ");
+            }
+        }
+
+        public void PrintInfectionTreeWithDepth(int maxDepth, int currentDepth = 0, string indent = "")
+        {
+            if (currentDepth > maxDepth) return;
+
+            Console.WriteLine($"{indent}Virus {Name}");
+            foreach (var infected in Infected)
+            {
+                infected.PrintInfectionTreeWithDepth(maxDepth, currentDepth + 1, indent + "  ");
+            }
+        }
+    }
+}