`mu[i]+=mu[i-1];`
这个应该在循环体最后吧，，
by zhangyiheng2006 @ 2020-04-23 09:45:52
输出变成了
52
0
。。。。。。
by Prean @ 2020-04-23 09:47:36
你的break写错位置了
by bovine__kebi @ 2020-04-23 09:49:22
break在整除的时候break
by bovine__kebi @ 2020-04-23 09:49:35
@[limaopipi2022](/user/160839)
by bovine__kebi @ 2020-04-23 09:49:39
@[bovine__kebi](/user/294736) ？？？
by Prean @ 2020-04-23 09:50:50
艹我看反了
by bovine__kebi @ 2020-04-23 09:53:29
我眼瞎了，别管我，我再去看看
by bovine__kebi @ 2020-04-23 09:53:45
@[limaopipi2022](/user/160839) 你pri开小了，，，
by zhangyiheng2006 @ 2020-04-23 09:54:25
我推出来的式子是
$$ \sum_{k=1}^{\min(n,m)} \mu(k) * \lfloor \frac {n} {dk} \rfloor * \lfloor \frac{m} {dk} \rfloor $$
这个应该没问题吧。。。
by Prean @ 2020-04-23 09:54:41