话说这题可以$O(n^2)$啊qwq
by olinr @ 2018-10-26 18:49:49
@[ywy_c_asm](/space/show?uid=125124) 您最强啦qaq
by EaEa @ 2018-10-26 18:50:19
@[c。](/space/show?uid=98516) 巨佬啊%%%
by olinr @ 2018-10-26 18:50:37
@[olinr](/space/show?uid=88460) 您tql！！！
by EaEa @ 2018-10-26 18:50:58
悬线法裸题，顺便膜@[顾z](/space/show?uid=87960)
by enceladus @ 2018-10-26 18:51:20
@[c。](/space/show?uid=98516) 悬线法~~sb~~题
by 顾z @ 2018-10-26 18:51:25
orz
by xenonex @ 2018-10-26 18:51:43
你写的二维区间和?
by olinr @ 2018-10-26 18:51:55
@[c。](/space/show?uid=98516)
by olinr @ 2018-10-26 18:52:03
居然又是一个红名贴。。。
by wxy_god @ 2018-10-26 18:52:41