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hdu 1159 Common Subsequence(dp)
Common Subsequence Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 25566    Accepted Submission(s): 11361 Problem Description A sub...
分类:其他好文   时间:2015-03-21 09:50:55    阅读次数:98
poj 2533 Longest Ordered Subsequence(dp)
Longest Ordered Subsequence Time Limit: 2000MS   Memory Limit: 65536K Total Submissions: 36159   Accepted: 15882 Description A numeric sequence of ai is ordered if a1 a2 ...
分类:其他好文   时间:2015-03-21 09:49:34    阅读次数:118
GCPC2014 J Not a subsequence
题意:给你一个字符串,问你含有 k个字符集合 长度最短的不是字符串子序列的种类数和长度。解题思路:DP.很难想 site[i] 表示以i 开头的使得 串不再字符串中的最小长度 ,dp[i] 表示种类数。 状态转移方程在代码里面。解题代码: 1 // File Name: j.4.cpp 2 //.....
分类:其他好文   时间:2015-03-20 21:37:58    阅读次数:138
HackerRank - Play with words
Kinda similar with another palindrome DP from LeetCode. Feel it, it is a bottom-up DP - palindrome subsequence.str = input()slen = len(str)dp = [[0 fo...
分类:其他好文   时间:2015-03-20 06:45:44    阅读次数:107
01-复杂度2. Maximum Subsequence Sum (25)
Given a sequence of K integers { N1, N2, ..., NK}. A continuous subsequence is defined to be { Ni, Ni+1, ..., Nj} where 1 //using namespace std;//cons...
分类:其他好文   时间:2015-03-19 16:16:34    阅读次数:163
A1007. Maximum Subsequence Sum (25)
Given a sequence of K integers { N1, N2, ..., NK}. A continuous subsequence is defined to be { Ni, Ni+1, ..., Nj} where 1 5 #include 6 #include 7 #...
分类:其他好文   时间:2015-03-16 19:10:05    阅读次数:109
HackerRank - Common Child
Longest Common Subsequence in disguise.Python impl. has TLE in one case. And C++ is fine.#include #include #include #include #include #include #includ...
分类:其他好文   时间:2015-03-16 16:05:11    阅读次数:204
UVa 10747 - Maximum Subsequence
题目大意:给出n个数,从中选取k个,使得乘积最大,并且尽量使和最大分析:首先按照数的绝对值大小排序。然后就要分三大类情况讨论:(1)前k个中选到0:如果选到0的话,乘积一定是0,所以尽量选大的数,让和变大。(2)前k个中选到负数的个数为偶数:这样的话直接输出答案(一定为最优解)(3)前k个中选到的负...
分类:其他好文   时间:2015-03-15 16:30:30    阅读次数:103
115. distinct subsequence leetcode python
Given a string S and a string T, count the number of distinct subsequences of T in S. A subsequence of a string is a new string which is formed from the original string by deleting some (can be non...
分类:编程语言   时间:2015-03-13 10:57:15    阅读次数:188
LeetCode-115 Distinct Subsequences
Given a stringSand a stringT, count the number of distinct subsequences ofTinS.A subsequence of a string is a new string which is formed from the orig...
分类:其他好文   时间:2015-03-13 00:20:24    阅读次数:178
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