又来一个上三角数字三角形

5

1.    1   6  10  13  15
2.    2   7  11  14
3.    3   8  12
4.    4   9
5.    5

import java.util.*;
public class R7HHH16ShangSanJiaoXing {
  public static void main(String[] args) {
    // TODO Auto-generated method stub
    Scanner cin = new Scanner(System.in);
    int n = cin.nextInt();
    int[][] array = new int[n+1][n+1];
    int cnt = 1;
    for (int i = 1; i <= n; i++) {
      for (int j = 1; j <= n - i + 1; j ++) {
        array[j][i] = cnt;
        cnt++;
      }
    }
    for (int i = 1; i <= n; i ++) {
      for (int j = 1; j <= n - i; j++) {
        System.out.printf("%4d",array[i][j]);
      }
      System.out.println();
    }
  }
}