using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        object[] values = {1,2, "Hello", new List<int>(){1,2,3,4}, "John"};

        string input = "float";

        Type typ;

        switch(input)

        {

            case "float" :

                typ = typeof(float);

                break;

            case "int": 

                typ = typeof(int);

                break;

            default: 

                typ = typeof(int);

                break;

        }

        int answer = GetTypeCount(values, input);

        Console.WriteLine("Answer: {0}" ,answer);

    }

    public static int GetTypeCount(object[] obj, object type)

    {

        Dictionary<Type,int> results = new Dictionary<Type,int>();

        foreach(object item in obj)

        {

            Type itemType = item.GetType();

            if(!results.ContainsKey(itemType))

            {

                results.Add(itemType,0);

            }

            else

            {

                results[itemType]++;    

            }               

        }

        return results[type.GetType()];

    }

}