有毒的粽子

2019年11月25日

Codeforces Round #602 (Div. 2, based on Technocup 2020 Elimination Round 3) E. Arson In Berland Forest

摘要： E. Arson In Berland Forest The Berland Forest can be represented as an infinite cell plane. Every cell contains a tree. That is, contained before the 阅读全文

posted @ 2019-11-25 15:26 有毒的粽子 阅读(141) 评论(0) 推荐(0)