longest webpage

I. Description of the problem Substring should be better understood, as to what is a subsequence, here is an example: there are two female strings Cnblogs Belong For example, Sequence BO, BG, LG appear in both the cnblogs and belong of the parent string and the order is consistent with the parent string, which we call the common subsequence. The longest common subsequence (longest Common subsequence, LC

Longest Common subsequence (LCS) and longest sequence lcs [Description]: two strings s1s2... are given ...... Sn and t1 t2 ...... Tn. Find the longest length of the two strings that are common to your sub-sequence. String s1 s2 ...... The sub-sequence of sn indicates that it can be expressed as si1 i2 ...... Si n (i1 Example: N = 4; M = 4 S = "abcd" T = "becd" O

This problem is 51Nod set as the basic problem (this is a bit high AH), I feel that should be counted as a level or two-level topic, the main reason is not the dynamic programming of the state transfer equation, but need to understand the final backtracking algorithm.　　　　Title: Find the longest subsequence of the two string, the requirements of the sub-sequence to satisfy the order of the characters and the letters in the two sequence must be the same

I. Description of the problemThis is a three-way DP problem. The longest ascending sequence: Looking for some number in a column, which satisfies: arbitrary two numbers a[i] and a[j], if iSet Dp[i] Represents the length of the longest increment subsequence ending with I, the state transition equation is: dp[i] = max{dp[j]+1}, 1 Consider two numbers of a[x] and A[y],x Maximal sequential subsequence and: Loo

Poj 2533 longest ordered subsequence (LIS: longest ascending subsequence) Http://poj.org/problem? Id = 2533 Question: Here is a numerical sequence whose length is N. You need to calculate the length of the longest (strict) Ascending subsequence in the sequence. Analysis: Solution 1: O (N ^ 2) complexity. So that DP [I] = X indicates the

Problem Description:Given two sequences x=the characters in the substring require continuous )This problem is similar to the longest common subsequence (longest common subsequence) and can also be defined with dynamic programming. The formula is as follows:Here C[i,j] represents the length of the longest common substring ending with xi,yj.Program implementation:i

Topicssubstring with the longest no repetition charactergiven a string, find the oldest string in which there are no repeating characters. For example, in which the "abcabcbb" oldest string with no repeating characters is "abc" , its length is 3 .For, the "bbbbb" oldest string with no repeating characters is "b" , length is 1 .SolvingUse Hashmap,map to always join, exist, find the same character position, situation map, change subscript Public classSo

Given a string S, find the longest palindromic substring in s. The maximum length of S is assume, and there exists one unique longest palindromic substring.Solution One: Consider the characteristics of palindrome string palistr, divided into the string length is odd even two cases: (1) palistr.size () is odd, then from the middle of a character to both sides of the extension is symmetrical, such as ABCDCBA;

UVA 11151 Longest palindromeA palindrome is a string, reads the same from the left as it does from the right. For example, I, GAG and MADAM were palindromes, but ADAM was not. Here, we consider also the empty string as a palindrome.From any non-palindromic string, you can always take away some letters, and get a palindromic subsequence. For example, given the string ADAM, you remove the letter M and get a palindrome ADA.Write a program to determine th

Tags: des style blog HTTP Io AR for strong spLongest ordered subsequence Time limit:2000 ms Memory limit:65536 K Total submissions:33943 Accepted:14871 DescriptionA numeric sequence AIIs ordered if A1A2An. Let the subsequence of the given numeric sequence ( A1, A2,..., An) Be any sequence ( AI1, Ai2,..., AIK), Where 1 I1I2IkN. For example, sequence (1, 7, 3, 5, 9, 4, 8) has ordered subsequences, E. G ., (1, 7), (3, 4, 8) and other others. all

[LeetCode-interview algorithm classic-Java implementation] [003-Longest Substring Without Repeating Characters (Longest non-duplicate Substring)], longestsubstring [003-Longest Substring Without Repeating Characters (maximum non-duplicate Substring )]Original question Given a string, find the length of the longest subs

Topic Links:http://www.lintcode.com/zh-cn/problem/longest-increasing-continuous-subsequence-ii/Longest ascending continuous sub-sequence II　　given an integer matrix (where there are n rows, m columns), find the longest ascending continuous subsequence in the matrix. (The longest ascending continuous subsequence can be