2018 年 4月 28 日随笔档案 - ～～zcy

摘要： You are encountered with a traditional problem concerning the sums of powers. Given two integers nn and kk. Let f(i)=ikf(i)=ik, pleas... 阅读全文

posted @ 2018-04-28 17:28 ～～zcy 阅读(95) 评论(0) 推荐(0) 编辑

摘要： Welcome to HDU to take part in the second CCPC girls’ competition! A new automatic judge system is used for this competition. During ... 阅读全文

posted @ 2018-04-28 17:25 ～～zcy 阅读(108) 评论(0) 推荐(0) 编辑

摘要： Do you know what is called ``Coprime Sequence''? That is a sequence consists of nnpositive integers, and the GCD (Greatest Common Divi... 阅读全文

posted @ 2018-04-28 17:22 ～～zcy 阅读(71) 评论(0) 推荐(0) 编辑

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