Unknow Bug?
by Masna_Kimoyo @ 2021-05-04 21:21:14
@[kevin320](/user/199459) UB=未定义行为
像`i++ + ++i`就是一种未定义行为
by hjxhjx @ 2021-05-04 21:23:23
@[hjxhjx](/user/178480) 就是undefined behavior
by Oildum @ 2021-05-04 21:28:21
勇气可嘉。
指针很容易跑到不该跑到的地方。
建议学习更深入的c++。
by ThreePlusSeven @ 2021-05-04 21:43:36
指针鬼才
by _caiji_ @ 2021-05-04 22:14:02
所以这跟queue有什么区别？
by 昒昕 @ 2021-05-04 23:07:27
所以该怎么改呢？？？
by dingshengyang @ 2021-05-05 11:01:44
`end`没有申请内存呢
by SunsetSamsara @ 2021-05-05 14:13:45
如果 `end` 没申请内存的话会 $RE$
by SunsetSamsara @ 2021-05-05 14:14:25
[@dingshengyang](https://www.luogu.com.cn/user/302394)
by SunsetSamsara @ 2021-05-05 14:24:39