using System;

using System.Collections.Generic;

public class Program

{

    //Solution 1

    public static void Main()

    {

        char[] charArray = { 'a', 'a', 'a', 'd', 'f', 'v', 'c', 's', 'r', 'f', 'e' };

​

        //For Unique charector

        Dictionary<char, int> charCount = new Dictionary<char, int>();

​

        for (int i = 0; i < charArray.Length; i++)

        {

            int count = 0;

            char ch = charArray[i];

​

            for (int j = 0; j < charArray.Length; j++)

            {

                if (ch == charArray[j])

                {

                    count++;

                }

            }

​

            if (!charCount.ContainsKey(ch))

            {

                charCount.Add(ch, count);

            }

        }

        //This is not requied here but, instead of this we can directly print in above array

        foreach (var dict in charCount)

        {

            Console.WriteLine("Char: " + dict.Key + " = Count: " + dict.Value);

        }

    }

}