2018年5月19日
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K.2018 题目描述 Given a, b, c, d , find out the number of pairs of integers ( x, y ) where a ≤ x ≤ b, c ≤ y ≤ d and x · y is a multiple of 2018. 输入 The in 阅读全文
posted @ 2018-05-19 23:52
蔡军帅
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K.2018题目描述Given a, b, c, d , find out the number of pairs of integers ( x, y ) where a ≤ x ≤ b, c ≤ y ... 阅读全文
posted @ 2018-05-19 23:52
蔡军帅
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G.String Transformation题目描述Bobo has a string S = s1 s2...sn consists of letter a , b and c . He can tr... 阅读全文
posted @ 2018-05-19 23:37
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G.String Transformation 题目描述 Bobo has a string S = s1 s2...sn consists of letter a , b and c . He can transform the string by inserting or deleting su 阅读全文
posted @ 2018-05-19 23:37
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