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动态规划典型问题模板
动态规划典型问题模板 一、最长上升子序列(Longest increasing subsequence) 状态:以ak(k=1,2,3...N)为终点的最长递增子序列的长度。 状态转移方程: MaxLen(1) = 1 MaxLen(k) = Max{ MaxLen(i): 1<i<k 且 ai<a ...
分类:其他好文   时间:2019-06-30 09:56:32    阅读次数:137
算法题---最长公共前缀
题目来源:https://leetcode-cn.com/problems/longest-common-prefix/ 编写一个函数来查找字符串数组中的最长公共前缀。 如果不存在公共前缀,返回空字符串 ""。 示例 1: 输入: ["flower","flow","flight"]输出: "fl" ...
分类:编程语言   时间:2019-06-29 14:51:50    阅读次数:138
# Leetcode 14:Longest Common Prefix 最长公共前缀
公众号:爱写bug Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string ...
分类:其他好文   时间:2019-06-29 00:47:49    阅读次数:93
LeetCode 549. Binary Tree Longest Consecutive Sequence II
Given a binary tree, you need to find the length of Longest Consecutive Path in Binary Tree. Especially, this path can be either increasing or decreas ...
分类:其他好文   时间:2019-06-26 22:05:41    阅读次数:150
Algorithm——Longest Common Prefix
Q: Write a function to find the longest common prefix string amongst an array of strings. If there is no common prefix, return an empty string "". Exa ...
分类:其他好文   时间:2019-06-21 22:30:17    阅读次数:119
letecode [409] - Longest Palindrome
Given a string which consists of lowercase or uppercase letters, find the length of the longest palindromes that can be built with those letters. This ...
分类:其他好文   时间:2019-06-21 21:02:04    阅读次数:116
ARTS打卡计划第六周
Algorithms: https://leetcode-cn.com/problems/longest-palindromic-substring/ 中心扩展法首先考虑,当然看到有个动态规划,一直很难理解。动态规划要好好研究一番。 Review: https://link.medium.com/r ...
分类:其他好文   时间:2019-06-17 01:09:40    阅读次数:106
Leetcode——3. 无重复字符的最长子串
难度: 中等 题目 Given a string, find the length of the longest substring without repeating characters. 给定一个字符串,请你找出其中不含有重复字符的?最长子串?的长度。 示例?1: 输入: "abcabcbb" ...
分类:其他好文   时间:2019-06-16 21:49:27    阅读次数:99
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. Example 1:Input: Output ...
分类:其他好文   时间:2019-06-16 09:23:59    阅读次数:90
23-104. Maximum Depth of Binary Tree
题目描述: Given a binary tree, find its maximum depth. The maximum depth is the number of nodes along the longest path from the root node down to the fart ...
分类:其他好文   时间:2019-06-14 00:46:20    阅读次数:101
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