摘要：
AsteroidsTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 6748Accepted: 3530DescriptionBessie wants to navigate her spaceship through a dangerous asteroid field in the shape of an N x N grid (1 = N = 500). The grid contains K asteroids (1 = K = 10,000), which are conveniently located at 阅读全文
