mrh-acmer:
博客地址:https://www.cnblogs.com/mrh-acmer/
mrh-acmer:
博客地址:https://www.cnblogs.com/mrh-acmer/
Unknown Treasure (卢卡斯 + 孙子定理, 模板题)
Aggregated Counting(找规律 + 预处理)
Codeforces Round #505 (rated, Div. 1 + Div. 2, based on VK Cup 2018 Final)