摘要：
传送门：http://poj.org/problem?id=2594 Treasure Exploration Time Limit: 6000MS Memory Limit: 65536K Total Submissions: 9802 Accepted: 3979 Description Hav 阅读全文
摘要：
传送门：http://poj.org/problem?id=1422 Air Raid Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 9303 Accepted: 5570 Description Consider a town 阅读全文