We define a harmonious array is an array where the difference between its maximum value and its minimum value isexactly . Now, given an integer array, you need to find the length of its longest harmo ...
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Given a group of two strings, you need to find the longest uncommon subsequence of this group of two strings. The longest uncommon subsequence ...
Given a string s, find the longest palindromic subsequence's length in s. You may assume that the maximum length of s is 1000. Example 1:Input ...
Given a list of strings, you need to find the longest uncommon subsequence among them. The longest uncommon subsequence is defined as the longest ...
Given an integer array arr and an integer difference, return the length of the longest subsequence in arr which is an arithmetic sequence ...
Given two strings text1 and text2, return the length of their longest common subsequence. A subsequence of a string is a new string generated from ...
Given an unsorted array of integers, find the length of longest increasing subsequence. Example: Note: There may be more than one LIS ...
问题描述： 给定两个序列 X=<x1, x2, ..., xm>, Y<y1, y2, ..., yn>，求X和Y长度最长的公共子序列。(子序列中的字符不要求连续) 这道题可以用动态规划解决。定义c[i, j]表示Xi和Yj的LCS的长度，可得 ...
Given a string s and a string t, check if s is subsequence of t. You may assume that there is only lower case English letters in both s ...
