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题目链接：http://codeforces.com/problemset/problem/841/B Leha somehow found an array consisting of n integers. Looking at it, he came up with a task. Two p 阅读全文
posted @ 2017-08-25 15:35
wydxry
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题目链接：http://codeforces.com/problemset/problem/841/A One day Kefa found n baloons. For convenience, we denote color of i-th baloon as si — lowercase le 阅读全文
posted @ 2017-08-25 15:14
wydxry
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