Problema C#

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

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int s, i, j, n, l = 0;
            int[,] a;
            n = int.Parse(Console.ReadLine());
            a = new int[100,100];
            for (i = 1; i <= n / 2; i++) {
                j = i;
                int[] v = new int[100];
                s = 0;
                while (s < n) {
                    s += j;
                    v[j-i+1] = j;

                    j++;
                }

                if (s == n) {
                    for (int k = 1; k <= j - i + 1; k++)
                        a[l, k] = v[k];
                    l++;
                }
            }

            for (i = 0; i < l; i++) {
                j = 1;
                while (a[i, j] != 0) {
                    Console.Write(a[i, j] + " ");
                    j++;
                }
                Console.WriteLine();
            }

            Console.ReadLine();
        }
    }
}