@[铭玘](/space/show?uid=67249) 这题是LCS啊，不是LIS...
by StudyingFather @ 2018-11-09 10:24:42
题解里说可以通过映射来转换成LIS
by BeingErnest @ 2018-11-09 10:27:57
@[StudyingFather](/space/show?uid=22030) 友好城市本身看起来像LCS，但大佬转换成来LIS
by BeingErnest @ 2018-11-09 10:29:00