2015年10月30日
Humble Numbers
摘要： Time Limit:1000msMemory Limit:65536kBDescriptionA number whose only prime factors are 2,3,5 or 7 is called a humble number. The sequence 1, 2, 3, 4, 5... 阅读全文
posted @ 2015-10-30 21:16 CXCXCXC 阅读(226) 评论(0) 推荐(0) 编辑
An Easy Problem
摘要： Time Limit:1000msMemory Limit:65536kBDescriptionAs we known, data stored in the computers is in binary form. The problem we discuss now is about the p... 阅读全文
posted @ 2015-10-30 19:17 CXCXCXC 阅读(243) 评论(0) 推荐(0) 编辑
Maximum sum
摘要： Time Limit:1000msMemory Limit:65536kBDescriptionGiven a set of n integers: A={a1, a2,..., an}, we define a function d(A) as below: ... 阅读全文
posted @ 2015-10-30 15:18 CXCXCXC 阅读(190) 评论(0) 推荐(0) 编辑