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Problem J: Saint John Festival $$ Time Limit: 1 s \quad Memory Limit: 256 MiB $$ 题意 给出$n$个大点,和$m$个小点,然后问有多少个小点可以在任意一个$3$个大点组成的三角形内。 思路 很明显只要对大点求凸包,然后判 阅读全文
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Problem G: Game of Cards $$ Time Limit: 1 s \quad Memory Limit: 256 MiB $$ 题意 题意就是给出$n$堆扑克牌,然后给出一个$m$,每次一个人的操作方法是从一堆扑克牌上面选出$0 m$张牌拿开,然后此时顶上牌的点数是$x$,在拿 阅读全文
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$\quad$Great! Your new software is almost finished! The only thing left to do is archiving all your n resource files into a big one. $\quad$Wait a min 阅读全文