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题目链接: "MAXMATCH Maximum Self Matching" Description You're given a string s consisting of letters 'a', 'b' and 'c'. The matching function $m_s( i )$ is 阅读全文
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"Codeforces Round 488 by NEAR (Div. 1)" 题目链接: "Nikita and Order Statistics" "CF993E Nikita and Order Statistics" Nikita likes tasks on order statistic 阅读全文
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题目链接: "POJ 3090" Description A lattice point $(x, y)$ in the first quadrant ($x$ and $y$ are integers greater than or equal to $0$), other than the or 阅读全文
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题目链接: "VFMUL Very Fast Multiplication" Description Multiply the given numbers. Input n [the number of multiplications l1 l2 [numbers to multiply (at m 阅读全文