C++ How to solve (b) and (c)?

Write a C++ segment code that will (A) create a 3 by 3 array named Array. (B) initialise the array declared in (A) with the value according to row index: Array:1 1 1 2 2 2 3 3 3 (C) Update the array in (B) by adding the row index to the original value. Before : 1 1 1 2 2 2 3 3 3 After : 2 2 2 4 4 4 6 6 6