随笔分类 -  差分

摘要:# 题目 FJ's \(N (1 ≤ N ≤ 10,000)\) cows conveniently indexed 1..N are standing in a line. Each cow has a positive integer height (which is a bit of secr 阅读全文
posted @ 2020-05-15 19:20 YouXam 阅读(142) 评论(0) 推荐(0)