Task 2, C# - rextester

Language: Layout:

//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Text;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            var resultSb = new StringBuilder();
            resultSb.AppendLine("Result:");

var letters = "ABAABACDAEDFICDFAAAAEEENENENENZFFG";

/* Your solution */
            
            // implement here 
            
            /* end */

foreach (var item in result)
            {
                resultSb.AppendLine(string.Format("{0} - {1}", item.Key, item.Value));
            }
            
            /* end */
            
            /* Display result */
            
            Console.WriteLine(resultSb);
            
            /* Should be next result: 
                A - 9
                E - 7
                F - 4
                N - 4
                D - 3
                B - 2
                C - 2
                G - 1
                I - 1
                Z - 1
            */
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,14 sec, absolute running time: 0,13 sec, cpu time: 0,12 sec, average memory usage: 17 Mb, average nr of threads: 3, absolute service time: 0,31 sec