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

namespace ConsoleApplication3
{
    class Program
    {
        static void Main(string[] args)
        {
            int x = 4;
            int y = 4;

            int[,] matice = new int[x, y];

            matice[1, 1] = 3;
            matice[1, 2] = 6;
            matice[1, 3] = 6;
            matice[2, 1] = 3;
            matice[2, 2] = 3;
            matice[2, 3] = 3;
            matice[3, 1] = 12;
            matice[3, 2] = 6;
            matice[3, 3] = 6;
            int n = 3;


            for (int i=1; i <=3; i++)
            {
                for (int j=1; j<=3; j++)
                {
                    Console.Write(matice[i,j]);
                }
                Console.WriteLine();
            }

            for (int j = 1; j <= 3;j++ )
            {
                int pom = matice[j, j];
               if (! ((matice[j, j] == 1) || (matice[j, j] == 0)))
                {
                    for (int i = 1; i <= 3;i++ )
                    {
                        matice[j, i] = matice[j, i] / pom;
                    }

                } else
               {
                   if (matice [j,j] == 0)
                   {
                       for (int i = j+1; i<=3;i++)
                       {
                            if (!(matice [j,i]==0))
                            {

                            }
                       }
                   }
               }

            }

            for (int i = 1; i <= 3; i++)
            {
                for (int j = 1; j <= 3; j++)
                {
                    Console.Write(matice[i, j]);
                }
                Console.WriteLine();
            }



                Console.ReadKey();
        }
    }
}