2018年1月4日
POJ - 1984 Navigation Nightmare (带权并查集）
摘要： Farmer John's pastoral neighborhood has N farms (2 <= N <= 40,000), usually numbered/labeled 1..N. A series of M (1 <= M < 40,000) vertical and horizo 阅读全文
posted @ 2018-01-04 20:03 hinata_hajime 阅读(195) 评论(0) 推荐(0) 编辑