2018年12月18日
PTA (Advanced Level) 1015 Reversible Primes
摘要： Reversible Primes 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 阅读全文
posted @ 2018-12-18 16:47 suvvm 阅读(359) 评论(0) 推荐(0) 编辑