`if((k/a[i])*b[i]>=n&&a[i]!=0&&b[i]>0)`
如果 `a[i]==0` 就会RE
by LCGUO @ 2019-12-12 21:34:58
@[YuanZhizheng](/user/277023) 它会先除以0，再执行后面的语句
by LCGUO @ 2019-12-12 21:35:32
@[v果宝v](/user/187259) 多谢！我把a[i]==0放前面就过了
by YuanZhizheng @ 2019-12-12 22:06:53