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operator_'s blog

In Pinely Round 4 (Div. 1 + Div. 2)，my submission was hacked, but it passed again now
By operator_, 2 months ago, In English

（Please forgive my poor English, and this is also my first time blogging）As the title suggests, I am confused。

link：273185566（As a contestant） and 273270938（As a practice）

Can anyone answer my problem? Is it my problem or a bug? Or is it a features?

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