3x3 Grid with Nested std::array

A variable grid of type array<array<int, 3>, 3> has been declared for you.

Fill the grid so that the cell in row i, column j holds i * 3 + j, then print the grid: one row per line, the three values in a row separated by spaces.

Expected Output:

0 1 2↵
3 4 5↵
6 7 8↵

= newline. The output ends with a newline — print one after the last line.

Hints4 available

Topics:

STL Containersstd::array

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