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DP解LCS问题模板及其优化
LCS--Longest Common Subsequence,即最长公共子序列,一般使用DP来解。 常规方法: dp[i][j]表示字符串s1前i个字符组成的字符串与s2前j个字符组成的字符串的LCS的长度,则当s1[i-1]==s2[j-1]时,dp[i][j]=dp[i-1][j-1],否则d ...
分类:其他好文   时间:2019-02-24 01:01:14    阅读次数:194
Codeforces Round #540 (Div. 3) C. Palindromic Matrix 【暴力】
任意门:http://codeforces.com/contest/1118/problem/C C. Palindromic Matrix time limit per test 2 seconds memory limit per test 256 megabytes input standar ...
分类:其他好文   时间:2019-02-20 09:40:28    阅读次数:135
Longest Palindromic Substring
题目: Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique lo ...
分类:其他好文   时间:2019-02-18 18:58:53    阅读次数:145
Longest Palindromic Substring
题目: Given a string S, find the longest palindromic substring in S. You may assume that the maximum length of S is 1000, and there exists one unique lo ...
分类:其他好文   时间:2019-02-18 18:52:07    阅读次数:132
LeetCode算法题-Longest Uncommon Subsequence I(Java实现)
这是悦乐书的第 252 次更新,第 265 篇原创 01 看题和准备 今天介绍的是LeetCode算法题中Easy级别的第119题(顺位题号是521)。给定一组两个字符串,您需要找到这组两个字符串中最长的不同子序列。最长的不同子序列被定义为这些字符串之一的最长子序列,并且此子序列不应该是其他字符串的 ...
分类:编程语言   时间:2019-02-17 17:49:40    阅读次数:161
[Lintcode]124. Longest Consecutive Sequence/[Leetcode]128. Longest Consecutive Sequence
"124. Longest Consecutive Sequence" / "128. Longest Consecutive Sequence" 本题难度: Medium/Hard Topic: Data Structure Description Given an unsorted array ...
分类:其他好文   时间:2019-02-17 15:31:49    阅读次数:223
Longest Substring Without Repeating Characters
题目: Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letter ...
分类:其他好文   时间:2019-02-16 19:25:38    阅读次数:173
14. Longest Common Prefix
14. Longest Common Prefix Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return ...
分类:其他好文   时间:2019-02-14 22:28:40    阅读次数:200
5. Longest Palindromic Substring
5. Longest Palindromic Substring Given a string s, find the longest palindromic substring in s. You may assume that the maximum length of s is 1000. E ...
分类:其他好文   时间:2019-02-14 00:20:31    阅读次数:172
3. Longest Substring Without Repeating Characters
3. Longest Substring Without Repeating Characters Given a string, find the length of the longest substring without repeating characters. Example 1: In ...
分类:其他好文   时间:2019-02-14 00:19:11    阅读次数:163
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