hdu 1325 && poj 1308 Is It A Tree?(并查集)
摘要:
DescriptionA tree is a well-known data structure that is either empty (null, void, nothing) or is a set of one or more nodes connected by directed edg... 阅读全文
posted @ 2015-10-19 20:44 无谓的味道 阅读(156) 评论(0) 推荐(0) 编辑