@[l_water](/space/show?uid=51164) $1\cdots16$都可以？
by Juanzhang @ 2018-10-29 12:12:14
7,8,9,10离散化，11-16树状数组+二分
by xenonex @ 2018-10-29 12:12:16
@[xenonex](/space/show?uid=86061) orz
by Juanzhang @ 2018-10-29 12:13:00
@[小光](/space/show?uid=73934) qaq
by xenonex @ 2018-10-29 12:14:23
@[xenonex](/space/show?uid=86061) 谢谢您
by l_water @ 2018-10-29 13:39:28
@[小光](/space/show?uid=73934) 布吉岛哇QAQ
by l_water @ 2018-10-29 13:39:54