04 2023 档案

PAT 甲级 1015 Reversible Primes（20）
摘要：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 is a re 阅读全文
posted @ 2023-04-18 21:29 爱吃虾滑 阅读(16) 评论(0) 推荐(0) 编辑
PAT 甲级 1014 Waiting in Line（30）
摘要：Suppose a bank has N windows open for service. There is a yellow line in front of the windows which devides the waiting area into two parts. The rules 阅读全文
posted @ 2023-04-14 21:05 爱吃虾滑 阅读(13) 评论(0) 推荐(0) 编辑

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