清新边双LCA求条

P2783 有机化学之神偶尔会做作弊

@[zhaohanwen](/user/767660)
by OcTar @ 2023-11-14 20:31:18


@[OcTar](/user/594916) at我个蒟蒻没用,at大佬去。
by zhaohanwen @ 2023-11-14 20:32:32


@[OcTar](/user/594916) 数据里有重边,你处理了吗?
by zhaohanwen @ 2023-11-14 20:34:00


@[zhaohanwen](/user/767660) ***的重边
by OcTar @ 2023-11-14 20:35:24


@[OcTar](/user/594916) 处理完AC了吗?
by zhaohanwen @ 2023-11-14 20:42:05


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