import java.util.Scanner; // 注意类名必须为 Main, 不要有任何 package xxx 信息 public class Main { public static void main(String[] args) { Scanner in = new Scanner(System.in); int n = in.nextInt(); int[][] res = new int[n][n]; int num = 1; int x = 2; int y = 1; res[0][0] = 1; for(int i = 0;i<n;i++){ res[i][0] ...