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能不能解释一下 t=d/1000*2/20+60+0.5中的*2..In Reply To:真的郁闷了，我有时候总是想不通为什么自己写的程序老是比人家的内存，时间都用得多呢。 Posted by:huicpc16 at 2005-09-03 21:14:41 /1000 是化成km /20是要行遍所有雪地 *60是将小时化成分钟 +.5是为了Round to the nearest minute. 而*2为什么呢，返回不是用50km/h....为什么是时间加倍？ Followed by: Post your reply here: |
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