bzoj3797: Ural 1745 Yet Another Answer

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Open jeffswt opened 7 years ago

jeffswt commented 7 years ago

This issue is generated automatically as a comment section with pkjell.

Enonya commented 2 years ago

这题本质上是个 Exchange Argument 吧？就本来直接 DP 会有后效性，按照某种顺序排序就没有了？