文章 2023-11-01 来自:开发者社区

Leetcode 516. Longest Palindromic 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.  找到一个字符串的最长回文子序列,这里注意回文子串和回文序列的区别。子序列不要求连续,子串(substring)是要求连续的。leet....

文章 2023-01-05 来自:开发者社区

LeetCode 300. Longest Increasing Subsequence

DescriptionGiven an unsorted array of integers, find the length of longest increasing subsequence.Example:Input: [10,9,2,5,3,7,101,18]Output: 4Explanation: The longest increasing subsequence is [2,3,....

LeetCode 300. Longest Increasing Subsequence
文章 2022-02-17 来自:开发者社区

[LeetCode]Longest Continuous Increasing Subsequence 最长连续增长序列

链接:https://leetcode.com/problems/longest-continuous-increasing-subsequence/description/难度:Easy题目:674. Longest Continuous Increasing Subsequence Given an unsorted array of integers, find the length of....

文章 2022-02-16 来自:开发者社区

[LeetCode] Longest Increasing Subsequence 最长递增子序列

Given an unsorted array of integers, find the length of longest increasing subsequence. For example, Given [10, 9, 2, 5, 3, 7, 101, 18], The longest increasing subsequence is [2, 3, 7, 101],...

文章 2022-02-16 来自:开发者社区

[LeetCode] Longest Palindromic Subsequence 最长回文子序列

[LeetCode] Longest Palindromic Subsequence 最长回文子序列 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: ...

文章 2022-02-16 来自:开发者社区

[LeetCode] Longest Uncommon Subsequence I 最长非共同子序列之一

Given a group of two strings, you need to find the longest uncommon subsequence of this group of two strings. The longest uncommon subsequence is defined as the longest subsequence of one of these st....

文章 2022-02-16 来自:开发者社区

[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 subsequence of one of these strings and this subseque....

文章 2022-02-16 来自:开发者社区

[LeetCode] Longest Increasing Subsequence

A typical O(n^2) solution uses dynamic programming. Let's use lens[j] to denote the length of the LIS ending with nums[j]. The state equations are lens[0] = 1 lens[j] = max_{i = 0, 1, 2, ..., j - 1}(....

文章 2022-02-16 来自:开发者社区

[LeetCode] Longest Harmonious Subsequence 最长和谐子序列

We define a harmonious array is an array where the difference between its maximum value and its minimum value is exactly 1. Now, given an integer array, you need to find the length of its lo...

文章 2022-02-16 来自:开发者社区

[LeetCode] Number of Longest Increasing Subsequence 最长递增序列的个数

Given an unsorted array of integers, find the number of longest increasing subsequence. Example 1: Input: [1,3,5,4,7] Output: 2 Explanation: The two longest increasing subsequence are [1, 3, 4, 7] an....

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