WNJXYK
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Codeforces GYM 102001H. Lexical Sign Sequence
Source: Codeforces 2018 ICPC Asia Jakarta Regional Contest 题目大意 有一个长度为$n$的只包含${+1, -1}$的序…
   19   2018-11-27 点击阅读更多
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CCPC 2018中国大学生程序设计竞赛 – 网络选拔赛
1001 Buy and Resell http://acm.hdu.edu.cn/showproblem.php?pid=6438 一件商品在$n$天中有不同价值$a_1, a_2, \cdots , a_n…
   377   2018-08-25 点击阅读更多
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2018 Multi-University Training Contest 1
HDU 6298 Maximum Multiple 因为$$x \mid n, y \mid n, z \mid n, x+y+z = n$$,所以我们可以知道$$1 = \frac…
   145   2018-07-24 点击阅读更多
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