2017年11月18日
弹性碰撞 poj 3684
摘要： Simon is doing a physics experiment with N identical balls with the same radius of R centimeters. Before the experiment, all N balls are fastened with 阅读全文
posted @ 2017-11-18 23:10 楼主好菜啊 阅读(198) 评论(0) 推荐(0)