PAT 1010
摘要:
1015. Reversible Primes (20)Areversible primein 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 reversible prime because its reverse 37 is also a prime.Now given any two positive integers N (< 105) and D (1 &l 阅读全文
posted @ 2012-11-29 17:56 DerDeath 阅读(164) 评论(0) 推荐(0) 编辑