2019年6月29日
Codeforces Round #569 (Div. 2)A. Alex and a Rhombus
摘要： A. Alex and a Rhombus 题目链接：http://codeforces.com/contest/1180/problem/A 题目： While playing with geometric figures Alex has accidentally invented a conc 阅读全文
posted @ 2019-06-29 16:05 branna 阅读(241) 评论(0) 推荐(0)