http://acm.hdu.edu.cn/showproblem.php?pid=5183
Problem Description
When given an array (a0,a1,a2,?an?1) and
an integer K,
you are expected to judge whether there is a pair (i,j)(0≤i≤jn) wh...
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其他好文 时间:
2015-03-11 23:28:53
阅读次数:
205
设d(i, j)表示前i局每局获胜的比例均不超过p,且前i局共获胜j局的概率。d(i, j) = d(i-1, j) * (1-p) + d(i-1, j-1) * p则只玩一天就就不再玩的概率Q = sum{d(n, i) | 0 ≤ i≤ p*n}那么期望为这是一个无穷级数,可以用高数的一些知识...
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其他好文 时间:
2015-03-11 21:29:58
阅读次数:
125
题意:When given an array(a0,a1,a2,?an?1)and an integerK, you are expected to judge whether there is a pair(i,j)(0≤i≤j st;ll ans,K;int n;int T;ll a[10000...
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其他好文 时间:
2015-03-11 21:20:46
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143
When there is an obstacle, or when a Java based Web application is running much slower than expected,we need to usethread dumps. If thread dumps feel ...
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编程语言 时间:
2015-03-09 17:27:51
阅读次数:
201
参考【1】:longest consecutive subsequence of a random permutation 第一个帖子: Theorem:The expected length of the longest increasing block in a random permu...
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其他好文 时间:
2015-03-09 07:03:48
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206
Problem Description
When given an array (a0,a1,a2,?an?1) and an integer K, you are expected to judge whether there is a pair (i,j)(0≤i≤j/***************************************************************...
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其他好文 时间:
2015-03-08 23:08:00
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454
Linux无法启用网卡:Device eth0 has different MAC address than expected,ignoring解决
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系统相关 时间:
2015-03-07 22:41:13
阅读次数:
234
错误:org.apache.jasper.JasperException: /front/orderList.jsp(110,122) equal symbol expected')">struts2标签不能嵌套使用,应改为" />//将此变为可以回显的修改为:
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其他好文 时间:
2015-03-04 12:31:46
阅读次数:
172
<!--上传文件并限制大小为--> <beanid="multipartResolver"class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <propertyname="maxUploadSize"value="100485760"/> </bean> <!--全局异常处理--> <beanid="excep..
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编程语言 时间:
2015-03-02 19:20:30
阅读次数:
1869