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nyist oj 36 最长公共子序列 (动态规划基础题)
最长公共子序列 时间限制:3000 ms  |  内存限制:65535 KB 难度:3 描述 咱们就不拐弯抹角了,如题,需要你做的就是写一个程序,得出最长公共子序列。 tip:最长公共子序列也称作最长公共子串(不要求连续),英文缩写为LCS(Longest Common Subsequence)。其定义是,一个序列 S ,如果分别是两个或多个已知序列的子序列,且是所有符合...
分类:其他好文   时间:2014-08-15 00:05:56    阅读次数:335
Longest Consecutive Sequence
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given [100, 4, 200, 1, 3, 2],The longest...
分类:其他好文   时间:2014-08-13 21:50:47    阅读次数:318
LeetCode Longest Valid Parentheses
class Solution {public: int longestValidParentheses(string s) { vector stack; int maxlen = 0; int curlen = 0; int last ...
分类:其他好文   时间:2014-08-12 12:54:04    阅读次数:169
UVA - 11920 0 s, 1 s and ? Marks
Description  0 s, 1 s and ? Marks  Given a string consisting of 0, 1 and ? only, change all the ? to 0/1, so that the size of the largest group is minimized. A group is a subs...
分类:其他好文   时间:2014-08-11 11:57:42    阅读次数:197
Longest Consecutive Sequence
Given an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4, 200, 1, 3, 2],The longest ...
分类:其他好文   时间:2014-08-10 15:33:50    阅读次数:166
【UVA】10285-Longest Run on a Snowboard(动态规划)
动态规划习题...
分类:其他好文   时间:2014-08-07 23:22:05    阅读次数:354
LCS小结(O(∩_∩)O~吽吽)
LCS!~如果你在百度上搜这个的话会出来”英雄联盟冠军联赛”,orz。。但是今天要讲的LCS是最长公共子序列 ,"Longest Common Subsequence "not"League of Legends Championship Series"小盆友们又要涨姿势了~ 最长公共子序列也称作最...
分类:其他好文   时间:2014-08-07 18:46:50    阅读次数:271
[leetcode]Longest Consecutive Sequence
Longest Consecutive SequenceGiven an unsorted array of integers, find the length of the longest consecutive elements sequence.For example,Given[100, 4...
分类:其他好文   时间:2014-08-07 18:13:20    阅读次数:171
uva10405 - Longest Common Subsequence(LIS,最长共同自序列)
题目:uva10405 - Longest Common Subsequence(LIS,最长共同自序列) 题目大意:找出两个字符串中的最长公共的子序列。 解题思路:这类问题是第一次接触,不知道怎么做。百度了一下,发现了递推公式:dp【i】【j】:代表第一个字符串的前i个字符和第二个字符串的前j个字符比较能得到的最长的公共子序列。s【i】 == s【j】 ,dp【i】【j】...
分类:其他好文   时间:2014-08-06 23:04:32    阅读次数:243
LeetCode "Longest Valid Parentheses"
Your intuition would tell you that there's a O(n) solution. Actually it is another stack-based problem to solve.class Solution {public: struct Rec ...
分类:其他好文   时间:2014-08-06 14:37:41    阅读次数:186
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