2019年11月18日
1015 Reversible Primes (20 分)【进制转换，素数】
摘要： 1015 Reversible Primes (20 分) A reversible prime in any number system is a prime whose "reverse" in that number system is also a p... 阅读全文
posted @ 2019-11-18 21:07 Hu_YaYa 阅读(15) 评论(0) 推荐(0)
1013 Battle Over Cities (25 分)【dfs】
摘要： 1013 Battle Over Cities (25 分) It is vitally important to have all the cities connected by highways in a war. If a city is occupie... 阅读全文
posted @ 2019-11-18 17:11 Hu_YaYa 阅读(19) 评论(0) 推荐(0)