摘要：
AsteroidsTime Limit:1000MSMemory Limit:65536KTotal Submissions:9171Accepted:4921DescriptionBessie 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 loc 阅读全文
posted @ 2012-03-10 21:03
Stephen Li
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