正常
by Ginger_he @ 2022-03-05 13:43:49
单纯数据弱，$\rm O2$ 强
by Coros_Trusds @ 2022-03-05 13:44:21
正常
by lgvc @ 2022-03-05 13:44:34
@[Ginger_he](/user/379058) @[Coros_Trusds](/user/430409) @[lgvc](/user/366807)
哦，吓死我了，我还以为……
by SongShouqian @ 2022-03-05 13:50:42
~~tlqtj？~~
by MattL @ 2022-03-05 13:56:42
这种事虽然能看到，但也不应该被正常化。应该@题目管理员。但是这是USACO原题，数据是不会变得
by StillEmpty @ 2022-03-05 14:18:49