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Yubai's blog

By Yubai, history, 2 years ago, In English

The original problem link

I misread the problem, and lead to a SUPER HARD one.

Different from the original problem I want to fix S and T and ask whether there exists an answer.

Can anyone help me?

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2 years ago, # |
  Vote: I like it -71 Vote: I do not like it

please not follow the trend, tell me the reason why you don't like it?