2017年9月22日
POJ 2391--Ombrophobic Bovines(最大流（拆点）+二分+最短路)
摘要： Ombrophobic Bovines Description FJ's cows really hate getting wet so much that the mere thought of getting caught in the rain makes them shake in thei 阅读全文
posted @ 2017-09-22 00:24 Bangbangbanana 阅读(193) 评论(0) 推荐(0)