摘要: Bessie 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 ( 阅读全文
posted @ 2019-12-02 21:07 Anticlock 阅读(118) 评论(0) 推荐(0) 编辑
摘要: Cows are such finicky eaters. Each cow has a preference for certain foods and drinks, and she will consume no others. Farmer John has cooked fabulous 阅读全文
posted @ 2019-12-02 13:04 Anticlock 阅读(134) 评论(0) 推荐(0) 编辑