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