@[noble](/space/show?uid=56184) XJB算法你都没听说过？
by xyx_xcc @ 2017-10-29 08:26:27
贪心即可
by mine_craft @ 2017-11-04 10:04:34
单调栈
by 李寻欢 @ 2018-07-08 11:48:20
二分
by 斯茂 @ 2018-09-02 21:20:26
乱搞
by 磨子桥蒟蒻 @ 2018-11-10 14:57:45
贪心吧
by kcn999 @ 2018-12-21 21:43:06