2018年2月5日
Codeforces Round #245 (Div. 1) 429D Tricky Function （最近点对 分治）
摘要： Iahub and Sorin are the best competitive programmers in their town. However, they can't both qualify to an important contest. The selection will be ma 阅读全文
posted @ 2018-02-05 21:49 Zireael 阅读(189) 评论(0) 推荐(0) 编辑