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大概是我打的最好的一场之一。 A. color 给出洛谷“咕值”的五项标准(相加即为咕值),请根据洛谷咕值系统介绍判断用户名的颜色,用字符串 Gray,Blue,Green,Orange,Red 中的一个表示。 按题目模拟即可。 时间复杂度:\(O(1)\)。 B. drink 给定一个长度为 \( 阅读全文
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Link: https://atcoder.jp/contests/arc061/tasks/arc061_c Wrong Solution First of all, we should know that the whole map should be considered as a graph 阅读全文
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If we simulate the process, the numbers are too large even for long double. But, we found that \(\log(x^2) = 2 \log(x)\). Therefore, we can make \(a_i 阅读全文