2012年3月26日

摘要: hide handkerchiefTime Limit: 10000/3000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 1725 Accepted Submission(s): 613Problem DescriptionThe Children’s Day has passed for some days .Has you remembered something happened at your childhood? I remembered I often played 阅读全文
posted @ 2012-03-26 12:50 Artemisia 阅读(261) 评论(2) 推荐(0) 编辑
 
摘要: Problem DescriptionMost bicycle speedometers work by using a Hall Effect sensor fastened to the front fork of the bicycle. A magnet is attached to one of the spokes on the front wheel so that it will line up with the Hall Effect switch once per revolution of the wheel. The speedometer monitors the s 阅读全文
posted @ 2012-03-26 00:48 Artemisia 阅读(268) 评论(1) 推荐(0) 编辑