13. (10 points) Write C++ statements that do the following (a) Declare two constants to store the sipe of a 2-D array that will contain 10 rows and 20 colammns You will use these constants for the remaining parta (b) Declare an array alpha of 10 rows and 20 columns of type int. (c) Initialize the array alpha to 99. (d) Store 1 in the first row and 2 in the remaining rows (e) Store 5 in the first column, and make sure that the value in each subeequent column is twice the value in the previous column. (0) Print the array alpha one column per line. Page 7