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SP2713 GSS4 - Can you answer these queries IV

@[ACの666](/space/show?uid=54745) ``` const db eps = 1e-9; // change eps there ``` ？？？
by wxy_god @ 2018-10-27 09:45:15

@[我是一个垃圾](/space/show?uid=89396) 这个对于这题没用。。eps就是精度问题的产物啊
by Gypsophila @ 2018-10-27 09:46:39

好吧
by wxy_god @ 2018-10-27 09:47:36

没有人的吗。。
by Gypsophila @ 2018-10-27 13:19:47

本地能过的话。。。好吧我不会
by Jackcy @ 2018-10-27 13:32:02

数组越界了？要不开N*8试试
by AzusaCat @ 2018-10-27 13:35:58

我知道了！
by AzusaCat @ 2018-10-27 13:36:32

![](https://cdn.luogu.com.cn/upload/pic/40046.png)
by AzusaCat @ 2018-10-27 13:37:19

```cpp if(l>r)swap(l,r); ``` 加了这行就AC了
by AzusaCat @ 2018-10-27 13:41:02

@[ACの666](/space/show?uid=54745) Orz lcj
by Siyuan @ 2018-10-27 13:55:26