2013年10月3日
POJ 3292 Semi-prime H-numbers
摘要： 类似素数筛。。。Semi-prime H-numbersTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 6873Accepted: 2931DescriptionThis problem is based on an exercise of David Hilbert, who pedagogically suggested tha... 阅读全文
posted @ 2013-10-03 22:23 码代码的猿猿 阅读(176) 评论(0) 推荐(0)
POJ 1845 Sumdiv
摘要： 快速幂+等比数列求和。。。。 SumdivTime Limit: 1000MSMemory Limit: 30000KTotal Submissions: 12599Accepted: 3057Descrip... 阅读全文
posted @ 2013-10-03 08:05 码代码的猿猿 阅读(215) 评论(0) 推荐(0)
POJ 2635 The Embarrassed Cryptographer
摘要： 大数取MOD。。。The Embarrassed CryptographerTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 11359Accepted: 3026DescriptionThe young and very promising cryptographer Odd Even has implemented the sec... 阅读全文
posted @ 2013-10-03 01:58 码代码的猿猿 阅读(208) 评论(0) 推荐(0)