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Ch.3 Aray and String
3-1 scrore Here is a string with o and x. The length is between 1 to 80. Calcuate the score. The score of o is the consecutive o appeared so far. The ...
分类:其他好文   时间:2017-04-16 21:37:57    阅读次数:170
3. Longest Substring Without Repeating Characters
题目: Given a string, find the length of the longest substring without repeating characters. Examples: Given "abcabcbb", the answer is "abc", which the ...
分类:其他好文   时间:2017-04-16 14:50:58    阅读次数:105
14. 字符串数组的最长公共前缀 Longest Common Prefix
Write a function to find the longest common prefix string amongst an array of strings.public class Solution { public string LongestCommonPrefix(string... ...
分类:编程语言   时间:2017-04-16 00:18:03    阅读次数:197
最长上升子序列(模板)
转载请注明出处:http://blog.csdn.net/u012860063 最长递增子序列(Longest Increasing Subsequence)以下我们简记为:LIS。 如果存在一个序列d[1..9] = 2 1 5 3 6 4 8 9 7,我们能够非常轻松的看出来它的LIS长度为5。 ...
分类:其他好文   时间:2017-04-15 20:27:22    阅读次数:153
Codility-PassingCars
Task description A non-empty zero-indexed array A consisting of N integers is given. The consecutive elements of array A represent consecutive cars on ...
分类:其他好文   时间:2017-04-15 14:02:54    阅读次数:184
Longest Palindromic Substring & Longest Palindromic Subsequence
5. Longest Palindromic Substring 题目链接:https://leetcode.com/problems/longest-palindromic-substring/#/description 题目大意:给定一个字符串s,返回该字符串的最长回文子串。s的最大长度不超过1 ...
分类:其他好文   时间:2017-04-15 09:25:16    阅读次数:230
【算法】最长回文子串 longest palindrome substring
对于字符串S, 要找到它最长的回文子串,能想到的最暴力方法,应该是对于每个元素i-th都向左向右对称搜索,最后用一个数组span 记录下相对应元素i-th为中心的回文子串长度。 那么问题来了: 1. 这样的方法,对于奇回文子串和偶回文子串的处理不一样,比如所“acbca” 和“acbbca” 2. ...
分类:编程语言   时间:2017-04-11 13:44:29    阅读次数:229
516. Longest Palindromic Subsequence
本周课堂上学习的是动态规划,因此在LeetCode上找到相应的题进行练习。 题目: Given a string s, find the longest palindromic subsequence's length in s. You may assume that the maximum le ...
分类:其他好文   时间:2017-04-10 12:19:14    阅读次数:163
POJ 3764 The xor-longest Path (字典树)
题意:给出一颗n个节点的边权树,求一条路径(u,v),使得路径上的边的权值异或值最大。 析:先从0开始遍历树,记录所有的点到0的路径的边权异或值,然后任意两点的路径的异或值就是dp[u]^dp[v], 然后再构造一棵二进制树,每次查询,注意长度要相同,最后求最大值即可。 代码如下: ...
分类:其他好文   时间:2017-04-08 18:16:10    阅读次数:166
[LeetCode] Longest Uncommon Subsequence II 最长非共同子序列之二
Given a list of strings, you need to find the longest uncommon subsequence among them. The longest uncommon subsequence is defined as the longest subs ...
分类:其他好文   时间:2017-04-08 00:25:01    阅读次数:286
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