摘要: 题目链接 Description Sasha has an array of integers \(a_1, a_2, ..., a_n\). You have to perform \(m\) queries. There might be queries of two types: 1 l r 阅读全文
posted @ 2021-11-17 15:55 TomiokapEace 阅读(65) 评论(0) 推荐(0)