看到“NOI2014”后果断滚去艰难地做红题去了（
by starcandy @ 2019-09-18 17:58:23
@[BambooShoot123](/space/show?uid=180855)
不是2004么qwq
by Ephemeroptera @ 2019-09-18 18:06:15
@[Job_Lee](/space/show?uid=114181) ...窝去配个眼镜
by starcandy @ 2019-09-18 18:09:50
@[くろねこ](/space/show?uid=118272)
dalao您的splay窝我不懂
我用的权值线段树做的qwq
by Ephemeroptera @ 2019-09-18 18:14:16
黑猫我的其他随意
by 祥瑞御免 @ 2019-09-18 18:25:02
@[Job_Lee](/space/show?uid=114181) dalao尝试一下Splay吧(雾
by くろねこ @ 2019-09-18 20:32:57