using System;

using System.Collections.Generic;                   

public class Program

{

    public class RevisionBlueprint

{

    public int Kind { get; set; }

    public bool IsLocked { get; set; }

}

    public static void Main()

    {

        List<RevisionBlueprint> revisionBlueprints = new List<RevisionBlueprint>

        {

            new RevisionBlueprint { Kind = 0, IsLocked = false },

            new RevisionBlueprint { Kind = 1, IsLocked = false },

            new RevisionBlueprint { Kind = 2, IsLocked = false },

            new RevisionBlueprint { Kind = 2, IsLocked = false },

            new RevisionBlueprint { Kind = 2, IsLocked = false },

        };

​

        for (int z = revisionBlueprints.Count - 1; z >= 0; z--)

        {

          if (revisionBlueprints[z].Kind == 0) break;

          for (int x = z; x >= 0; x--)

          {

            if (revisionBlueprints[z].Kind == revisionBlueprints[x].Kind){

              continue; 

            }

            revisionBlueprints[x].IsLocked = true;

          }

        }

​

        foreach (var element in revisionBlueprints)

        {

            Console.WriteLine($"Kind: {element.Kind}, IsLocked: {element.IsLocked}");

        }

    }

}