盲猜负数，
by fjy666 @ 2023-11-28 14:01:34
要把>1改为!=1，因为会取余，所以可能mul为0 @[Smile_laughter](/user/59057)
by zwxadz @ 2023-12-07 14:38:48
@[zwxadz](/user/694647)
哦哦懂了，感谢感谢
by Smile_laughter @ 2023-12-08 10:10:51