青岛市程序设计竞赛冲刺⑥(2023第四届上海市青少年算法竞赛小学组试题)2.幸运数原题: 原代码:#include<bits/stdc++.h>#definelllonglongusingnamespacestd;constintN=1e7+5;lla[505]={0,6,8,66,68,86,88,666,668,686,688,866,868,886,888,6666,6668,6686,6688,6866,6868,6886,6888,8666,8668,8686,8688,8866,8868,8886,8888,6......