package no223; import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner sc = new Scanner(System.in); int n = sc.nextInt(); int[][] ans = even1(n); for(int i=0;i 0) { sb.append(' '); } sb.append(ans[i][j]); } sb.append('\n'); } System.out.print(sb.toString()); } // http://d.hatena.ne.jp/ziom/20090620/p1 public static int[][] even1(int n) { int[][] m = new int[n][n]; for(int i=0;i