using System;

using System;

using System.Collections.Generic;

using System.Diagnostics;

using System.Threading.Tasks;

public class Program

{

    public static void Main()

    {

        var numberOfChunks = 4;

        var array = new string[101];

            var splitted = new List<string[]>();

​

            int chunkSize = (int)Math.Ceiling((double)array.Length / numberOfChunks);

​

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

            {

                var chunk = new string[chunkSize];

​

                if (array.Length < i + chunkSize)

                    chunkSize = array.Length - i;

​

                Array.Copy(array, i, chunk, 0, chunkSize);

​

                splitted.Add(chunk);

            }

        int sum = 0;

        for (var j = 0; j < splitted.Count; j++)

            sum += splitted[j].Length;

        Console.WriteLine(sum);

    }

}