摘要:$$2017 2018\ ACM ICPC\ German\ Collegiate\ Programming\ Contest (GCPC 2017)$$ $A.Drawing\ Borders$ $B.Buildings$ Polya定理搞一搞 阅读全文
posted @ 2020-03-18 19:59 _kiko 阅读(16) 评论(0) 推荐(0) 编辑