摘要: Problem - 1879D - Codeforces Educational Codeforces Round 155 (Rated for Div. 2)(A~D)(贪心/简单数论/位运算) - 知乎 (zhihu.com) CF1879D Sum of XOR Functions - XYu 阅读全文
posted @ 2023-11-28 17:05 spiderflower 阅读(36) 评论(0) 推荐(0)