unknown_b's blog

By unknown_b, history, 2 hours ago, In English

https://drive.google.com/file/d/1KOxpb1XmSE74rFi_UNHs8LxCMcNOVU_s/view?usp=sharing I tried solving it but i get wrong on test number two. it is an interesting/challenging problem(like 2400 or more). please try it out.

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