2019年9月8日
计蒜客 41391.query-二维偏序+树状数组(预处理出来满足情况的gcd) (The Preliminary Contest for ICPC Asia Xuzhou 2019 I.) 2019年徐州网络赛)
摘要： query Given a permutation pp of length nn, you are asked to answer mm queries, each query can be represented as a pair (l ,r )(l,r), you need to find 阅读全文
posted @ 2019-09-08 20:05 ZERO- 阅读(382) 评论(0) 推荐(0)
计蒜客 41387.XKC's basketball team-线段树(区间查找大于等于x的最靠右的位置) (The Preliminary Contest for ICPC Asia Xuzhou 2019 E.) 2019年徐州网络赛
摘要： XKC's basketball team XKC , the captain of the basketball team , is directing a train of nn team members. He makes all members stand in a row , and nu 阅读全文
posted @ 2019-09-08 10:51 ZERO- 阅读(349) 评论(0) 推荐(0)