Write code in C

1. Please answer these questions regarding array. a. Declare and initialize two 3 X 3 size matrices consisting of integers named A and B and add the numbers in a new one named C. [7] b. (if your first name starts with A to), solve this one) There is a 2D array of size 100 X 100. Fill up the first line with 4, then with 3, then with 2 and then with 1, repeat it all the way as given in the picture below. Please use a loop. [10]