摘要:1034 Head of a Gang (30分) One way that the police finds the head of a gang is to check people's phone calls. If there is a phone call between A and B 阅读全文
posted @ 2020-02-07 20:35 musecho 阅读 (53) 评论 (0) 编辑
摘要:1030 Travel Plan (30分) A traveler's map gives the distances between cities along the highways, together with the cost of each highway. Now you are sup 阅读全文
posted @ 2020-02-07 14:37 musecho 阅读 (9) 评论 (0) 编辑