2013年9月19日
POJ 3565 Ants（最佳完美匹配）
摘要： DescriptionYoung naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple trees. Each ant colony needs its own apple tree to feed itself.Bill has a map with coordinates ofnant colonies andnapple trees. He knows that ants travel from their colony to their feeding place 阅读全文
posted @ 2013-09-19 20:24 Oyking 阅读(568) 评论(0) 推荐(0)