java經典演算法_028列印出楊輝三角形

package wzs.arithmetics;//題目：列印出楊輝三角形（要求列印出10行如）   //1   //1   1   //1   2   1   //1   3   3   1   //1   4   6   4   1   //1   5   10   10   5   1 public class Test_wzs28{    public static void main(String[] args)    {        int line = 10; // 列印行數        int[][] arr = new int[line][line];        // 控制行        for (int i = 0; i < line; i++)        {            // 控制列            for (int j = 0; j < i + 1; j++)            {                if (i == 0 || j == 0 || i == j)                {                    arr[i][j] = 1;                }                else                {                    arr[i][j] = arr[i - 1][j - 1] + arr[i - 1][j];                }                System.out.print(arr[i][j] + "\t");            }            System.out.println();        }    }}

輸出結果:

11112113311464115101051161520156117213535217118285670562881193684126126843691