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HDU 5119 Happy Matt Friends(2014北京区域赛现场赛H题 裸背包DP)
虽然是一道还是算简单的DP,甚至不用滚动数组也能AC,数据量不算很大。对于N个数,每个数只存在两个状态,取 和 不取。容易得出状态转移方程:dp[i][j] = dp[i - 1][j ^ a[i]] + dp[i - 1][j];dp[i][j] 的意思是,对于数列 中前 i 个数字,使得 XOR...
分类:移动开发   时间:2014-12-04 17:30:06    阅读次数:197
HDU 5119 Happy Matt Friends(DP || 高斯消元)
题目链接题意 : 给你n个数,让你从中挑K个数(K 2 #include 3 #include 4 #define LL long long 5 using namespace std ; 6 int a[41] ; 7 LL dp[41][1 = m)30 {3...
分类:移动开发   时间:2014-12-04 13:48:35    阅读次数:155
Happy Matt Friends (DP)
Happy Matt FriendsTime Limit: 6000/6000 MS (Java/Others)Memory Limit: 510000/510000 K (Java/Others)Total Submission(s): 418Accepted Submission(s): 159...
分类:移动开发   时间:2014-12-03 00:23:01    阅读次数:176
David McCullough, Jr.为韦斯利高中毕业生演讲〈你并不特别〉
Dr. Wong, Dr. Keough, Mrs.Novogroski, Ms. Curran, members of the board of education, familyand friends of the graduates, ladies and gentlemen of the W...
分类:其他好文   时间:2014-12-02 22:27:06    阅读次数:362
hdu5119——Happy Matt Friends
Happy Matt Friends Time Limit: 6000/6000 MS (Java/Others)    Memory Limit: 510000/510000 K (Java/Others) Total Submission(s): 150    Accepted Submission(s): 56 Problem Description Matt has N f...
分类:移动开发   时间:2014-11-30 14:13:21    阅读次数:237
1.1.4 PROB Greedy Gift Givers
Greedy Gift GiversA group of NP (2 ≤ NP ≤ 10) uniquely named friends has decided to exchange gifts of money. Each of these friends might or might not ...
分类:其他好文   时间:2014-11-30 13:49:47    阅读次数:302
HDOJ 5119 Happy Matt Friends DP
N*M暴力DP.... Happy Matt Friends Time Limit: 6000/6000 MS (Java/Others)    Memory Limit: 510000/510000 K (Java/Others) Total Submission(s): 82    Accepted Submission(s): 34 Problem Descrip...
分类:移动开发   时间:2014-11-30 00:37:46    阅读次数:206
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