14. Write a function template named square0 that computes and returns the square of the single argument passed to the function when it is called. B. Include the function template created in 19A within a complete C++ program. 15. Write a C++ program that adds equivalent elements of the two-dimensional arrays named first and second. Both arrays should have two rows and three rows and three columns. For example, element [1][2] of the resulting array should be the sum of first2] and second[1][2]. The first and second arrays should be initialized as follows: second first 16 18 23 24 52 77 54 91 11 16 19 59