View difference between Paste ID: 0sAwZDPX and Hnppewu2

 using System;
 using System.Collections.Generic;
 using System.Linq;
 
 namespace LinqTrain
 {
     class Program
     {
         public static void Main()
         {
             List<Soldier> Squad1 = new List<Soldier>();
             List<Soldier> Squad2 = new List<Soldier>();
             Console.WriteLine("До передачи");
             for (int i = 0; i < 10; i++)
             {
                 Squad1.Add(new Soldier());
                 Squad2.Add(new Soldier());
                 Console.WriteLine(Squad1[i].Surname + "             " + Squad2[i].Surname);
             }
             Console.ReadKey();
 
             Console.Clear();
-            List<Soldier> soldierForTransfer = Squad1.Where(solider => solider.Surname.ToUpper().StartsWith("Б")).ToList<Soldier>();
+            var soldierForTransfer = Squad1.Where(solider => solider.Surname.ToUpper().StartsWith("Б"));
-            for (int i = 0; i < Squad1.Count; i++)
+            Squad1 = Squad1.Except(soldierForTransfer).ToList<Soldier>();
             Squad2 = Squad2.Union(soldierForTransfer).ToList<Soldier>();
-                foreach (var sol in soldierForTransfer)
+
-                {
+
-                    if (Squad1[i] == sol)
+
-                    {
+
-                        Squad1.RemoveAt(i);
+
-                        i = 0;
+
-                    }
+
-                }
+
             }
             Console.ReadKey();
         }
     }
     public static class RandomStatic
     {
         static private Random _rand = new Random();
         static public int GetNext(int min, int max)
         {
             return _rand.Next(min, max);
         }
     }
     class Soldier
     {
         public string Surname { get; private set; }
         public Soldier()
         {
             Surname = new string[] { "Барбарис", "Антонио", "Вано" }[RandomStatic.GetNext(0, 3)];
         }
     }
 }