java基础-算法-数组实现杨辉三角的输出

public class dawdaw456 {
    /*
    杨辉三角
     */
    public static void main(String[] args) {
        int count = 10;
        int[][] yanghui = new int[count][];
        //给数组元素赋值
        for (int i = 0; i < yanghui.length; i++) {
            yanghui[i] = new int[i + 1];
            yanghui[i][0] = 1;
            yanghui[i][i] = 1;
            //给非首末元素赋值
            for (int j = 1; j < yanghui[i].length - 1; j++) {
                yanghui[i][j] = yanghui[i - 1][j - 1] + yanghui[i - 1][j];
            }
        }
        //遍历
        for (int i = 0; i < yanghui.length; i++) {
            for (int j = 0; j < yanghui[i].length; j++) {
                System.out.print(yanghui[i][j] + " ");
            }
            System.out.println();
        }
    }
}