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任意门：https://nanti.jisuanke.com/t/20750 J - LOL 5 friends play LOL together . Every one should BAN one character and PICK one character . The enemy sho 阅读全文
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F - Detachment In a highly developed alien society, the habitats are almost infinite dimensional space. In the history of this planet,there is an old 阅读全文
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任意门：http://acm.hdu.edu.cn/showproblem.php?pid=5979 按AC顺序： I - Convex Time limit 1000 ms Memory limit 65536 kB OS Windows We have a special convex that 阅读全文