Hour Rank 7 - Nikita and the game - study code review - http://codereview.stackexchange.com/a/146412/123986

HourRank7_NikitaAndTheGame.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NikitaAndtheGram
{
    /// <summary>
    /// https://www.hackerrank.com/contests/hourrank-7/challenges/array-splitting
    /// code review:
    /// http://codereview.stackexchange.com/a/146412/123986
    /// </summary>
    class NikitaAndtheGame
    {
        static void Main(string[] args)
        {
            var queries = Convert.ToInt32(Console.ReadLine()); 

            for(int i = 0; i < queries; i++)
            {
                var length = Convert.ToInt32(Console.ReadLine());

                var array = Array.ConvertAll(Console.ReadLine().Split(' '), int.Parse);

                Console.WriteLine(GetMaxScore(array, 0, array.Length)); 
            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="array"></param>
        /// <param name="start"></param>
        /// <param name="end"></param>
        /// <returns></returns>
        // start inclusive, end exclusive
        public static int GetMaxScore(int[] array, int start, int end)
        {
            for (int i = 1; i < end - start; i++)
            {
                int split = start + i;
                int leftHand  = SumOfArray(array, start, split);
                int rightHand = SumOfArray(array, split, end);

                if (leftHand == rightHand)
                {
                    int leftScore  = GetMaxScore(array, start, split);
                    int rightScore = GetMaxScore(array, split, end);

                    return 1 + Math.Max(leftScore, rightScore);
                }
            }

            return 0;
        }

        // start inclusive, end exclusive
        public static int SumOfArray(int[] array, int start, int end)
        {
            int sum = 0;
            for (int i = start; i < end; i++)
            {
                sum += array[i];
            }

            return sum;
        }
    }
}