1015. Reversible Primes (20)
摘要：
题目如下： 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... 阅读全文
posted @ 2015-05-25 13:38 张大大123 阅读(110) 评论(0) 推荐(0) 编辑
