摘要:
题目传送门 原题面 描述 A musical melody is represented as a sequence of \(N~(1 \le N \le 20000)\) notes that are integers in the range \(1 \dots 88\), each repr 阅读全文
摘要:
题目传送门 原题面 描述 A company provides service for its partners that are located in different towns. The company has three mobile service staff employees. If 阅读全文