using System;

using System.Collections.Generic;

using Newtonsoft.Json.Linq;

​

class Program

{

    static void Main()

    {

        string json = @"

        {

            ""UCINumber"": """",

            ""Institution"": { ""Name"" : """", ""Id"" : """" },

            ""PreferredContactMethod"": """",

            ""POSHours"" : 0,        

            ""POSPeriod"": """",      

            ""Status"" : { ""Name"" : """", ""Id"" : """" },        

            ""User"": {

                ""FirstName"" : """",

                ""LastName"" : """",

                ""FullName"" : """",

                ""FullNameWithEmail"": """",

                ""LastFirst"" : """",

                ""LastFirstEmail"" : """",

                ""Email"" : """",

                ""EmailAddress"" : """",

                ""AnyEmail"" : """",

                ""PhysicalAddressString"": """",

                ""AddressBlock"" : """",

                ""AnyPhone"": """",

                ""Phone"" : """",

                ""PhoneNumberFormatted"" : """",

                ""RegionSubRegion"" : { ""Name"" : """", ""Id"" : """" },             

                ""UserContacts"": {

                    ""Contact"": {

                        ""User"": {

                            ""FirstName"" : """",

                            ""LastName"" : """",

                            ""FullName"" : """",

                            ""FullNameWithEmail"": """",

                            ""LastFirst"" : """",

                            ""LastFirstEmail"" : """",

                            ""Email"" : """",

                            ""EmailAddress"" : """",

                            ""AnyEmail"" : """",

                            ""PhysicalAddressString"": """",

                            ""AddressBlock"" : """",

                            ""AnyPhone"": """",

                            ""Phone"" : """",

                            ""PhoneNumberFormatted"" : """"   

                        }

                    }

                }

            },

            ""ServiceCoordinator"": {

                ""User"": {

                    ""FirstName"" : """",

                    ""LastName"" : """",

                    ""FullName"" : """",

                    ""FullNameWithEmail"": """",

                    ""LastFirst"" : """",

                    ""LastFirstEmail"" : """",

                    ""Email"" : """",

                    ""EmailAddress"" : """",

                    ""AnyEmail"" : """",

                    ""PhysicalAddressString"": """",

                    ""AddressBlock"" : """",

                    ""AnyPhone"": """",

                    ""Phone"" : """",

                    ""PhoneNumberFormatted"" : """"

                }

            }

        }

        ";

        JObject jsonObject = JObject.Parse(json);

        int maxDepth = CalculateJsonMaxDepth(jsonObject);

        Console.WriteLine("Max Depth: " + maxDepth);

    }

​

    private static int CalculateJsonMaxDepth(JToken token)

    {

        if (token == null || !token.HasValues)

        {

            return 0;

        }

​

        int maxDepth = 1;

        foreach (var child in token.Children())

        {

            int childDepth = CalculateJsonMaxDepth(child);

            if (childDepth + 1 > maxDepth)

            {

                maxDepth = childDepth + 1;

            }

        }

​

        return maxDepth;

    }

}