随笔分类 -  ACM_期望

uva11429(生成随机数 期望)
摘要：//用long double 才过的... 阅读全文
posted @ 2016-08-05 01:56 chenhuan001 阅读(509) 评论(0) 推荐(0) 编辑
zoj3696(泊松分布)
摘要：p(k)=(y^k) / (k!) * e^(-y)其中的y就是平均值k就是我们要求的大小。Alien's OrganTime Limit:2 Seconds Memory Limit:65536 KBThere's an alien whose name is Marjar. It is an universal solder came from planet Highrich a long time ago.Marjar is a strange alien. It needs to generate new organs(body parts) to fight. The 阅读全文
posted @ 2013-06-24 19:17 chenhuan001 阅读(293) 评论(0) 推荐(0) 编辑

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