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hdoj 1159 Common Subsequence
A subsequence of a given sequence is the given sequence with some elements (possible none) left out. Given a sequence X = <x1, x2, ..., xm> another se ...
分类:其他好文   时间:2017-08-09 12:46:36    阅读次数:134
poj 3061--Subsequence
Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 15909 Accepted: 6728 Description A sequence of N positive integers (10 < N < 100 000), each ...
分类:其他好文   时间:2017-08-08 09:27:57    阅读次数:117
521. Longest Uncommon Subsequence I
Given a group of two strings, you need to find the longest uncommon subsequence of this group of two strings. The longest uncommon subsequence is defi ...
分类:其他好文   时间:2017-08-07 18:34:40    阅读次数:125
数据结构一:栈
【例子1】132 Pattern https://leetcode.com/problems/132-pattern/description/ Given a sequence of n integers a1, a2, ..., an, a 132 pattern is a subsequence ...
分类:其他好文   时间:2017-08-07 00:23:42    阅读次数:162
HDU 1159 Common Subsequence 动态规划
2017-08-06 15:41:04 writer:pprp 刚开始学dp,集训的讲的很难,但是还是得自己看,从简单到难,慢慢来(如果哪里有错误欢迎各位大佬指正) 题意如下: 给两个字符串,找到其中大的公共子序列,每个样例输出一个数; 最长公共子串(Longest Common Substirng ...
分类:其他好文   时间:2017-08-06 17:06:15    阅读次数:201
Longest Common Substring
区别于 Longest Common Subsequence 这是累加求subString 的 状态设为遍历到当前的i, j时的结果值, 但是却是不对, 是因为求得是累加的值, Input "www.lintcode.com code", "www.ninechapter.com code" "ww ...
分类:其他好文   时间:2017-08-06 13:57:33    阅读次数:162
Longest Common Subsequence
状态方程时题意的转化, 通常要if, 遍历到当前状态时, 最后一个字母的情况与上一个或者上多个状态的关系 结果是最后的状态还是只是遍历到最后的状态求全局最优 如Longest Increasing Subsequence ...
分类:其他好文   时间:2017-08-05 19:44:35    阅读次数:135
1007. 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 <= i <= j <= K. The Maximu ...
分类:其他好文   时间:2017-08-05 19:02:16    阅读次数:146
Leetcode -- 115. Distinct Subsequences
Given a string S and a string T, count the number of distinct subsequences of S which equals T. A subsequence of a string is a new string which is for ...
分类:其他好文   时间:2017-08-05 18:53:43    阅读次数:131
POJ - 2533 Longest Ordered Subsequence
A numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence ( a1, a2, ..., aN) be any sequence ( ai1, ...
分类:其他好文   时间:2017-08-03 16:58:01    阅读次数:144
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