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题目链接: D. Swaps in Permutation time limit per test 5 seconds memory limit per test 256 megabytes input standard input output standard output time limit 阅读全文
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题目链接: C. Exponential notation time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output time limit 阅读全文
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题目链接: B. s-palindrome 题意: 问给定的字符串是否是镜面对称; 思路: 直接看哪些字母是镜面对称的就行; AC代码: 阅读全文
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题目链接: A. Fashion in Berland 题意: 思路: AC代码: 阅读全文