In this example, the integer entered by the user is stored in a variable and printed on the screen. To take input and display output, we will use scanf() and printf() respectively.
A 3 x 3 magic square is a 3 x 3 grid filled with distinct numbers from 1 to 9 such that each row, column, and both diagonals all have the same sum. Given an grid of integers, how many 3 x 3 "magic square" subgrids are there?
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