In this exercise you can practice using array sections in Fortran.
Starting with the skeleton code sections.F90:
- Extract every element from the second row.
- Extract every element from the third column.
- Assign a value of 99 to upper left 2x2 subarray.
- Finally, fill the array with the checkerboard pattern, i.e. alternating
zeros and ones:
1 0 1 ... 0 1 0 ... 1 0 1 ... ...