摘要: 链接:https://www.nowcoder.com/acm/contest/139/J来源:牛客网 Given a sequence of integers a1, a2, ..., an and q pairs of integers (l1, r1), (l2, r2), ..., (lq, 阅读全文
posted @ 2018-07-23 23:27 行远山 阅读(235) 评论(0) 推荐(0) 编辑