编辑代码

public class dg {
    public static void dg(int n, int m) {
        if (n == 0) {
            return;
        }
        dg(n - 1, m);
        for (int i = 0; i < n; i++) {
            System.out.print(m + " ");
        }
        System.out.println();
    }

    public static void main(String[] args) {
        dg(5, 5);
    }
}