因为这题是求第k大? @[Cesare](/space/show?uid=104379) $\text{\color{white}\%\%\%xzy}$
by WAutomaton @ 2019-06-12 13:45:49
@[WAutomaton](/space/show?uid=184020) 我睿智了
by Cesare @ 2019-06-12 13:47:16
@[WAutomaton](/space/show?uid=184020) 感谢
by Cesare @ 2019-06-12 13:47:22
~~不过，为什么不打递归版呢~~$\text{\color{white}\%\%\%xzy}$
by WAutomaton @ 2019-06-12 14:02:51