@[_Wolverine](/space/show?uid=120362) 线段树要开4倍空间没错,可是您是不是把左移写成右移了
by wxwoo @ 2019-09-04 16:48:11
@[wxwoo](/space/show?uid=116659) 有吗?
by Priori_Incantatem @ 2019-09-04 16:55:17
QAQ
by Priori_Incantatem @ 2019-09-04 16:55:59
@[wxwoo](/space/show?uid=116659) AC了,感谢
by Priori_Incantatem @ 2019-09-04 16:57:16