错哪了？？？
by 小卢 @ 2020-12-14 18:33:54
> $d=d+3$;
不是每一个数据都加三啊
by 渡鸦2007 @ 2020-12-14 18:36:33
应改为`d=d+a;`
by 渡鸦2007 @ 2020-12-14 18:37:19
谢谢
by 小卢 @ 2020-12-14 18:55:49
一时糊涂了QWQ
by 小卢 @ 2020-12-14 18:57:37