I have a big 2d array that I want to read all the values from top left to the bottom right except the first row one by one using "int val" in c++, because I want to compute the value of the array.

The array looks like,

How do you do that in c++? Thank you!

| 4 6 112 | 2 3 4 11 2 9 | 5 6 11 2 10 7 | 1 1 12 199 | 4 5 6 9 9 9