摘要:
Descriptionn个集合 m个操作操作:1 a b 合并a,b所在集合2 k 回到第k次操作之后的状态(查询算作操作)3 a b 询问a,b是否属于同一集合,是则输出1否则输出00 11 #include 12 #include 13 #include 14 #include 15 #... 阅读全文
摘要:
DescriptionThe "Informatics" hotel is one of the most luxurious hotels from Galaciuc. A lot of tourists arrive or leave this hotel in one year. So it ... 阅读全文
摘要:
DescriptionThere are several ancient Greek texts that contain descriptions of the fabled island Atlantis. Some of these texts even include maps of par... 阅读全文