2018年3月28日
CodeForces - 797B
摘要： 题目开头：Youare given sequence a1, a2, ..., an of integer numbers of length n. Your task is to find such subsequence that itssum is odd and maximum among 阅读全文
posted @ 2018-03-28 16:43 test1024 阅读(168) 评论(0) 推荐(0)