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nyoj36最长公共子序列(dp)
最长公共子序列时间限制:3000ms | 内存限制:65535KB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 ...
分类:其他好文   时间:2015-03-31 00:53:00    阅读次数:102
[Leetcode] Longest Palindromic Substring
Given a stringS, find the longest palindromic substring inS. You may assume that the maximum length ofSis 1000, and there exists one unique longest pa...
分类:其他好文   时间:2015-03-30 22:49:58    阅读次数:162
LeetCode: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 consecutive elements sequence is [1, 2,...
分类:其他好文   时间:2015-03-30 21:11:03    阅读次数:115
CSUOJ 1551 Longest Increasing Subsequence Again
1551: LongestIncreasingSubsequence AgainTime Limit:2 SecMemory Limit:256 MBSubmit:75Solved:52DescriptionGive you a numeric sequence. If you can demoli...
分类:其他好文   时间:2015-03-30 21:01:19    阅读次数:147
DP(dynamic programming)之LIS(longest increasing subsequence)问题(转)
今天回顾WOJ1398,发现了这个当时没有理解透彻的算法。看了好久好久,现在终于想明白了。试着把它写下来,让自己更明白。最长递增子序列,Longest Increasing Subsequence 下面我们简记为 LIS。排序+LCS算法 以及 DP算法就忽略了,这两个太容易理解了。假设存在一个序列...
分类:其他好文   时间:2015-03-30 18:08:38    阅读次数:127
Longest Substring Without Repeating Characters
求最长字串,要求字串中的所有字母不重复 思路 设定head和tail两个指针,tail每往前移动一格,便检查tail和head之间的所有字母是否与tail指向的字母重复,如果重复则将head指向重复的后一格例如:abcdefdc,当前head指向a,tail指向f,当tail指向下一个d的时候扫描h...
分类:其他好文   时间:2015-03-30 12:54:25    阅读次数:114
Implement Trie and find longest prefix string list
1 package leetcode; 2 3 import java.util.ArrayList; 4 import java.util.List; 5 6 class TrieNode{ 7 Boolean isWord;//true if path till ...
分类:其他好文   时间:2015-03-30 08:03:13    阅读次数:252
【贪心算法】Longest Substring Without Repeating Characters
题目:leetcode Longest Substring Without Repeating Characters Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repea...
分类:编程语言   时间:2015-03-29 18:08:07    阅读次数:152
Leetcode 3 Longest Substring Without Repeating Characters
1.题目要求Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating lett...
分类:其他好文   时间:2015-03-29 17:51:03    阅读次数:123
LeetCode Longest Valid Parentheses
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.For "(()", the longest valid parentheses substring is "()", which ha...
分类:其他好文   时间:2015-03-29 13:41:53    阅读次数:124
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