摘要: 传送门带权并查集。有N个龙珠和N个城市,刚开始是按照编号一一对应的,后来有些龙珠跑到别的城市去了。给你Q句话,分为事实和查询,事实是T A B : All the dragon balls which are in the same city with A ... 阅读全文
posted @ 2019-03-19 21:57 CrossingOver 阅读(92) 评论(0) 推荐(0) 编辑