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Problem Description Chisa Yukizome works as a teacher in the school. She prepares many gifts, which consist of n kinds with a[i] quantities of each ki 阅读全文
posted @ 2017-08-18 17:09
SCaryon
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Problem Description Lweb has a string S.Oneday, he decided to transform this string to a new sequence. You need help him determine this transformation 阅读全文
posted @ 2017-08-18 16:47
SCaryon
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