为什么开O2要比不开O2慢啊!

P2410 [SDOI2009] 最优图像

@[Pine](/space/show?uid=36268) xuanxue
by decoqwq @ 2018-02-23 14:11:23


O2变成了H2O
by wasa855 @ 2018-02-23 14:22:33


@[Pine](/space/show?uid=36268) 看看你的内存变化
by Anguei @ 2018-02-23 14:27:16


@[Pine](/space/show?uid=36268) 如果内存和时间都比 `O(1)` 高,那可能是编译器在特殊代码下智障了吧
by Anguei @ 2018-02-23 14:28:29


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