2018年8月10日
Codeforce 1004C
摘要： Description Since Sonya is interested in robotics too, she decided to construct robots that will read and recognize numbers. Sonya has drawn nn number 阅读全文
posted @ 2018-08-10 20:09 左手边五十米 阅读(246) 评论(0) 推荐(0)