2018年1月5日
PAT 1015. Reversible Primes
摘要： PAT 1015. 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 t 阅读全文
posted @ 2018-01-05 22:14 A-Little-Nut 阅读(191) 评论(0) 推荐(0)
PAT 1014. Waiting in Line
摘要： PAT 1014. Waiting in Line (30) Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting 阅读全文
posted @ 2018-01-05 13:22 A-Little-Nut 阅读(272) 评论(0) 推荐(0)
PAT 1013. Battle Over Cities
摘要： Battle Over Cities It is vitally important to have all the cities connected by highways in a war. If a city is occupied by the enemy, all the highways 阅读全文
posted @ 2018-01-05 09:58 A-Little-Nut 阅读(159) 评论(0) 推荐(0)