【脑洞】本题升级版

P3357 最长k可重线段集问题

@[Y·_·3](/space/show?uid=86412) ~~再拍扁一次~~
by Le_temps_des_fleurs @ 2019-01-15 13:32:37


~~不会做的题一律模拟退火~~
by x383494 @ 2023-06-06 21:35:05


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