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UVA - 348Optimal Array Multiplication Sequence(递推)
题目:Optimal Array Multiplication Sequence 题目大意:给出N个矩阵相乘,求这些矩阵相乘乘法次数最少的顺序。 解题思路:矩阵相乘不满足交换率但满足结合率。dp【i】【j】 代表第1个矩阵到第j个矩阵之间的最少的乘法次数,转移状态方程:dp【i】【j】 = Min(dp【i】【k】 + dp【k + 1】【j】  + A[i - 1] * A[...
分类:其他好文   时间:2014-08-08 21:28:27    阅读次数:332
HDU4675-GCD of Sequence(数论+组合计数)
GCD of Sequence Time Limit: 6000/3000 MS (Java/Others)    Memory Limit: 65535/65535 K (Java/Others) Total Submission(s): 949    Accepted Submission(s): 284 Problem Description Alice is pla...
分类:其他好文   时间:2014-08-08 18:18:46    阅读次数:328
HDU4915:Parenthese sequence(贪心)
Problem Description bobo found an ancient string. The string contains only three charaters -- "(", ")" and "?". bobo would like to replace each "?" with "(" or ")" so that the string is valid (d...
分类:其他好文   时间:2014-08-08 18:15:06    阅读次数:273
POJ - 2442 Sequence
Description Given m sequences, each contains n non-negative integer. Now we may select one number from each sequence to form a sequence with m integers. It's clear that we may get n ^ m this kind o...
分类:其他好文   时间:2014-08-08 16:10:06    阅读次数:236
fix/fast协议中PMAP(存在图)和Sequence的解析要点
fix/fast协议中PMAP(存在图)和Sequence的解析要点   吴旻 泰岩网络工作室            因为升级的原因,我整理了一个从前的兄弟写的FIX/FAST解析代码。其中一直让我看不懂的是PMAP和Sequence的解法(因为代码事实上是有问题的),我也没找到相关的文档。下载了Quickfast的安装包,费了牛劲安装好,发现更复杂。好在只用到了一点点,算是把这两件事弄...
分类:其他好文   时间:2014-08-08 16:09:16    阅读次数:204
Codeforces-Round 174(Cows and Sequence)
这道题是树状数组的题,但是用普通数组也能整出来,没学树状数组,就用的普通数组,算是高效算法吧,下面是我的修改思路: 1.一上来我写了如下代码:把每个新加进去的数压入vector,但是我在当t=1时,我的想法是将v[i]一个一个加上去,这样肯定会超时,而且我这个方法的sum是最后一起求的,这样多了个循环,又耗费时间。 #include #include #include #include #in...
分类:其他好文   时间:2014-08-08 12:39:25    阅读次数:305
Android学习路线(十二)Activity生命周期——启动一个Activity
Unlike other programming paradigms in which apps are launched with a main()method, the Android system initiates code in an Activity instance by invoking specific callback methods that correspond to specific stages of its lifecycle. There is a sequence of c...
分类:移动开发   时间:2014-08-08 08:28:45    阅读次数:539
HDU 4923 Room and Moor
Problem Description PM Room defines a sequence A = {A1, A2,..., AN}, each of which is either 0 or 1. In order to beat him, programmer Moor has to construct another sequence B = {B1, B2,... , BN} of...
分类:其他好文   时间:2014-08-07 23:18:54    阅读次数:308
HDU 4923 (贪心+证明)
Room and MoorProblem DescriptionPM Room defines a sequence A = {A1, A2,..., AN}, each of which is either 0 or 1. In order to beat him, programmer Moor...
分类:其他好文   时间:2014-08-07 22:53:15    阅读次数:293
HNU 12869 Sequence(循环节)
题目链接:http://acm.hnu.cn/online/?action=problem&type=show&id=12869解题报告:看到n的范围这么大,一看就是找规律,把前30个打出来之后就找到了循环节,循环节从第25个开始,长度为6。离线打表,把所有结果都打出来了。 1 #include 2...
分类:其他好文   时间:2014-08-07 22:43:45    阅读次数:312
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