2018-2019 ACM-ICPC Nordic Collegiate Programming Contest (NCPC 2018)
![](https://img2020.cnblogs.com/blog/1143196/202009/1143196-20200905001301376-897883585.png)
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很久以前的奇怪但现在依旧成立的签名
attack is our red sun $$\color{red}{\boxed{\color{red}{attack\ is\ our\ red\ sun}}}$$ ------------------------------------------------------------------------------------------------------------------------
很久以前的奇怪但现在依旧成立的签名
attack is our red sun $$\color{red}{\boxed{\color{red}{attack\ is\ our\ red\ sun}}}$$ ------------------------------------------------------------------------------------------------------------------------