using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using Newtonsoft.Json;

​

public class Program

{

    public static void Main()

    {

        string node = @"{

                                        HeadCount : 10,

                                        ChildList : 

                                        [

                                            { 

                                                HeadCount : 3 , 

                                                ChildList :[ 

                                                                { 

                                                                    HeadCount : 1, 

                                                                    ChildList : [] 

                                                                }

                                                            ] 

                                            },

                                            { 

                                                HeadCount : 2 ,

                                                ChildList :[] 

                                            }

​

                                        ]

        }";

        OrganizationNode organizationNode = JsonConvert.DeserializeObject<OrganizationNode>(node);

        //Console.WriteLine(organizationNode.HeadCount);

        //Console.WriteLine("ChildList : " + string.Join(",", organizationNode.ChildList)); 

        findHeadCount(organizationNode);

    }

​

    public static class OrganizationNode

    {

        public static int HeadCount { get; set;}

        public static List <string> ChildList { get; set; }

    }

    public  int  findHeadCount()

    {

        int headCount = 0;

        //เขียนเงื่อนไขเมื่อไม่มีลูก

        return  headCount;

    }

}