public class Solution {

    public int[,] MatrixReshape(int[,] nums, int r, int c) {

        var row = nums.GetLength();

            var col = nums.GetLength();

            if (row * col != r * c)

            {

                return nums;

            }

            else

            {

                var ary = new int[r, c];

                var list = new List<int>();

                for (int i = ; i < row; i++)

                {

                    for (int j = ; j < col; j++)

                    {

                        list.Add(nums[i, j]);

                    }

                }

                var k = ;

                for (int i = ; i < r; i++)

                {

                    for (int j = ; j < c; j++)

                    {

                        ary[i, j] = list[k++];

                    }

                }

                return ary;

            }

    }

}