2021年1月14日
1015 Reversible Primes (20分)
摘要： A reversible prime in any number system is a prime whose "reverse" in that number system is also a prime. For example in the decimal system 73 is a re 阅读全文
posted @ 2021-01-14 21:41 XA科研 阅读(128) 评论(0) 推荐(0)
1007 Maximum Subsequence Sum (25分)
摘要： Given a sequence of K integers { N​1​​, N​2​​, ..., N​K​​ }. A continuous subsequence is defined to be { N​i​​, N​i+1​​, ..., N​j​​ } where 1. The Max 阅读全文
posted @ 2021-01-14 00:13 XA科研 阅读(100) 评论(0) 推荐(0)