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[LeetCode] Longest Substring with At Most Two Distinct Characters及扩展
Given a string, find the length of the longest substring T that contains at most 2 distinct characters. For example, Given s = “eceba”, T is "ece" which its length is 3. 这题的线性解法是维护一个sliding w...
分类:其他好文   时间:2015-01-06 07:20:32    阅读次数:121
COJ 1411 Longest Consecutive Ones
题目大意:希望在 k 步之内,将尽可能多的1移到相邻的位置上这里依靠前缀和解决问题我们用pos[i]保存第i个1的位置,这里位置我以1开始用sum[i]保存前 i 个1从 0 点移到当前位置所需的步数每次进行判断能否将 st 号 到 la 号的1移到相邻位置,我们要先清楚,为了使移动步数最少,我们需...
分类:其他好文   时间:2015-01-05 00:19:23    阅读次数:111
leetcode 3.Longest Substring Without Repeating Characters
Given a string, find the length of the longest substring without repeating characters. For example, the longest substring without repeating letters fo...
分类:其他好文   时间:2015-01-05 00:18:13    阅读次数:147
【LeetCode】Longest Consecutive Sequence 解题报告
【题目】 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 i...
分类:其他好文   时间:2015-01-04 23:07:30    阅读次数:233
leetcode 3 Longest Substring Without Repeating Characters
public class Solution { public int lengthOfLongestSubstring(String s) { int maxLen = 0; int maxLenTmp = 0; Map map = new HashMap( s.len...
分类:其他好文   时间:2015-01-04 11:03:57    阅读次数:145
【leetcode】Longest Valid Parentheses
Longest Valid ParenthesesGiven a string containing just the characters'('and')', find the length of the longest valid (well-formed) parentheses substr...
分类:其他好文   时间:2015-01-03 22:20:40    阅读次数:131
Lintcode:Longest Common Subsequence 解题报告
Longest Common SubsequenceGiven two strings, find the longest comment subsequence (LCS).Your code should return the length of LCS.样例For "ABCD" and "ED...
分类:其他好文   时间:2015-01-03 15:55:06    阅读次数:177
LeetCode Longest Palindromic Substring
Longest Palindromic Substring   Question  Solution  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...
分类:其他好文   时间:2015-01-03 00:57:31    阅读次数:272
[LeetCode]3 Longest Substring Without Repeating Characters
https://oj.leetcode.com/problems/longest-substring-without-repeating-characters/http://fisherlei.blogspot.com/2012/12/leetcode-longest-substring-without.htmlpublicclassSolution{ publicintlengthOfLongestSubstring(Strings){ if(s==null||s.isEmpty()) return0;/..
分类:其他好文   时间:2015-01-02 16:16:01    阅读次数:119
[LeetCode]5 Longest Palindromic Substring
https://oj.leetcode.com/problems/longest-palindromic-substring/http://fisherlei.blogspot.com/2012/12/leetcode-longest-palindromic-substring.htmlpublicclassSolution{ publicStringlongestPalindrome(Strings){ //SolutionA: returnlongestPalindrome_Center(s); } ..
分类:其他好文   时间:2015-01-02 16:15:08    阅读次数:122
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