2018年5月7日
AtCoder Grand Contest 023
摘要： A Zero Sum Ranges Problem Statement We have an integer sequence A, whose length is N. Find the number of the non empty contiguous subsequences of A wh 阅读全文
posted @ 2018-05-07 00:09 hxidkd 阅读(279) 评论(0) 推荐(0) 编辑