2014年12月7日
hdu 5120 Intersection
摘要： 题目链接：http://acm.hdu.edu.cn/showproblem.php?pid=5120A ring is a 2-D figure bounded by two circles sharing the common center. The radius for these circl... 阅读全文
posted @ 2014-12-07 20:52 huangxf 阅读(746) 评论(0) 推荐(0) 编辑