public static void Main()
int[] array_a = new int[] {11, 17, 34, 46, 73};
int[] array_b = new int[] {13, 15, 19, 40, 56, -1, -1, -1, -1, -1} ;
merge_arrays(array_a, array_b);
Console.WriteLine(string.Join(", ", array_b));
private static void merge_arrays(int[] array_a, int[] array_b){