摘要： ~题目链接~http://poj.org/problem?id=3041~题目~AsteroidsTime Limit:1000MSMemory Limit:65536KTotal Submissions:12708Accepted:6918DescriptionBessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 2 #include 3 #include 4 const int maxn=510; 5 using namespac. 阅读全文