#include #include #include using namespace std; int main() { // Define a 3x3 matrix int matrix[3][3] = { {2, 4, 6}, {8, 10, 12}, {14, 16, 18} }; // Store the elements of the matrix in a vector vector elements; for (int i = 0; i < 3; i++) { for (int j = 0; j < 3; j++) { elements.push_back(matrix[i][j]); } } // Read additional numbers int n, num; cin >> n; // Number of additional inputs for (int i = 0; i < n; i++) { cin >> num; elements.push_back(num); } // Sort the elements sort(elements.begin(), elements.end()); // Output the smallest 9 numbers in 3x3 format for (int i = 0; i < 9; i++) { cout << elements[i] << " "; if ((i + 1) % 3 == 0) {