l是0呢 @[emiermao](/user/218051)
by Wildchesse @ 2020-10-07 18:59:36
可能和下取整有关系
by Midoria7 @ 2020-10-07 18:59:54
@[King_haoqi](/user/362022) 为0原来的也会RE啊
by _998344353_ @ 2020-10-07 19:06:53
整除珂能有误差吧
by Alchemania @ 2020-10-07 19:09:44
@[emiermao](/user/218051) 两个程序对拍一下
by cmll02 @ 2020-10-07 19:11:48
@[Archie__](/user/399999)
整形数整除能有啥误差啊，整得怀疑人生了
by emiermao @ 2020-10-07 19:16:16
@[Midoria7](/user/46420)
代码问题不在ceil那里。改动的那一行不就是简单的分配律么
by emiermao @ 2020-10-07 19:19:07
@[shygo_cmll02](/user/171487)
没测试数据，不知道爆点
没法对拍
by emiermao @ 2020-10-07 19:23:20
@[emiermao](/user/218051)
el可以小于0
by Smile_Cindy @ 2020-10-07 19:29:42
```cpp
ans+=-1/3+1;
ans+=-1/3+1;
ans+=-1/3+1;
std::cout<<ans;
和
ans+=2/3;
ans+=2/3;
ans+=2/3;
std::cout<<ans;
by SisconHL @ 2020-10-07 19:30:04