摘要: 【题解】Solution Set - NOIP2024集训Day13 点分治、点分树 https://www.becoder.com.cn/contest/5476 「COCI 2018/2019」Deblo \[\sum_{i=1}^n\sum_{j=i+1}^nw_i\oplus w_j\opl 阅读全文
posted @ 2024-08-22 08:15 CloudWings 阅读(16) 评论(0) 推荐(0) 编辑