摘要: 题目描述 There is an integer sequence A of length N. Find the number of the pairs of integers l and r (1≤l≤r≤N) that satisfy the following condition: Al x 阅读全文
posted @ 2021-07-27 12:44 PushyTao 阅读(18) 评论(0) 推荐(0)
摘要: 题目描述 There is an integer sequence A of length N. Find the number o... 阅读全文
posted @ 2021-07-27 12:44 PushyTao 阅读(55) 评论(0) 推荐(0)