**是不是应该@[chen_zhe](/space/show?uid=8457) @[kkksc03](/space/show?uid=1) @[龟龟号打捞船](/space/show?uid=36482) @[memset0](/space/show?uid=53495) **
by Kuriyama_Mirai @ 2019-01-25 16:57:06
@ 一两个就好，不要@ 这么多
by info___tion @ 2019-01-25 17:00:34
@[Harry__James__Potter](/space/show?uid=92066) 这个我貌似没有权限...
by memset0 @ 2019-01-25 17:01:56
@[memset0](/space/show?uid=53495) 对不起
by Kuriyama_Mirai @ 2019-01-25 17:06:09
@[Harry__James__Potter](/space/show?uid=92066) at题目管理员的话应该at这些人：@[chen_zhe](/space/show?uid=8457) @[Anguei](/space/show?uid=53062) @[龟龟号打捞船](/space/show?uid=36482)
就不要麻烦站长大人了...
by StudyingFather @ 2019-01-25 17:13:16
@ kkksc03 对不起，原谅我这个小萌新
by Kuriyama_Mirai @ 2019-01-25 17:15:01
memset好活跃，嘻嘻
by 行者_Walker @ 2019-01-25 17:15:05
@[Harry__James__Potter](/space/show?uid=92066) 感谢您的贡献
by Anguei @ 2019-01-25 23:45:31
有一点小问题
应该是$x_i = x_{\left\lfloor i - \sqrt i \right\rfloor} + x_{\left\lfloor\ln(i)\right\rfloor} + x_{\left\lfloor i\sin^2 (i) \right\rfloor}$
@[Harry__James__Potter](/space/show?uid=92066)
@[chen_zhe](/space/show?uid=8457)
by zhanghengrui @ 2019-01-30 18:36:55
@[zhanghengrui](/space/show?uid=110634) 然鹅并不能看出来有什么区别……
by Kuriyama_Mirai @ 2019-01-31 09:37:19