摘要：
You are given an array [𝑎1,𝑎2,…,𝑎𝑛][a1,a2,…,an] such that 1≤𝑎𝑖≤1091≤ai≤109. Let 𝑆S be the sum of all elements of the array 𝑎a. Let's call an a 阅读全文
posted @ 2020-12-18 08:49
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摘要：
You are playing a new computer game in which you have to fight monsters. In a dungeon you are trying to clear, you met three monsters; the first of th 阅读全文
posted @ 2020-12-18 08:39
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