// Prints an n-by-n grid of bricks, re-prompting user for positive integer #include #include int main(void) { // Get size of grid int n; do { n = get_int("Size: "); } while (n < 1); // Print grid of bricks for (int i = 0; i < n; i++) { for (int j = 0; j < n; j++) { printf("#"); } printf("\n"); } }