50PTS求调,TLE,玄关

P4768 [NOI2018] 归程

orz
by tianyu_awa @ 2024-08-05 18:31:54


@[tianyu_awa](/user/716260) %%%
by Size_OIer @ 2024-08-05 18:34:21


时间复杂度应该是在$E log V$吧,为什么会T呢?求助各路神犇
by Size_OIer @ 2024-08-05 18:35:50


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