2017年11月22日
Uva 11174 - Stand in a Line（思维+逆元）
摘要： All the people in the byteland want tostand in a line in such a way that no person stands closer to the front of theline than his fath... 阅读全文
posted @ 2017-11-22 23:28 不想吃WA的咸鱼 阅读(153) 评论(0) 推荐(0) 编辑