摘要:题目链接 Problem Description Mr. Frog has an integer sequence of length n, which can be denoted as a1,a2,⋯,an There are m queries.In the i-th query, you a 阅读全文
posted @ 2017-10-11 17:08 茶飘香~ 阅读(105) 评论(0) 推荐(0) 编辑