2020年12月19日
Educational Codeforces Round 100 (Rated for Div. 2) E. Plan of Lectures 缩点+拓扑排序
摘要： E. Plan of Lectures Ivan is a programming teacher. During the academic year, he plans to give 𝑛 lectures on 𝑛 different topics. Each topic should be 阅读全文
posted @ 2020-12-19 01:32 qscqesze 阅读(230) 评论(0) 推荐(0) 编辑