没事做，贴个代码。
摘要：
Problem E Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s):11Accepted Submission(s): 2Problem DescriptionThe light travels in a straight line and always goes in the minimal path between two points, are the basic laws of optics.Now, our problem is th 阅读全文
posted @ 2011-07-11 16:28 成诺 阅读(217) 评论(0) 推荐(0) 编辑
