1.需求背景 如何开发一个类似剪影或抖音的视频剪辑工具？ 其开发任务如上图，一个短视频生产app的首要任务在于实现一个高度可实时交互的播放器，在播放预览时支持多种编辑能力。 ...
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短视频编辑：可实时交互的播放器 -
Leetcode解题报告——646. Maximum Length of Pair Chain
题目要求：You are given n pairs of numbers. In every pair, the first number is always smalle...
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Leetcode解题报告——357. Count Numbers with Unique Digits
题目要求：Given a non-negative integer n, count all numbers with unique digits, x, where 0 ≤...
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Leetcode解题报告——334. Increasing Triplet Subsequence
题目要求：Given an unsorted array return whether an increasing subsequence of length 3 exist...
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Leetcode解题报告——300. Longest Increasing Subsequence
题目要求：Given an unsorted array of integers, find the length of longest increasing subsequ...
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（参考）Leetcode解题报告——396. Rotate Function
题目要求：Given an array of integers A and let n to be its length. Assume Bk to be an array ...
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Leetcode解题报告——25. Reverse Nodes in k-Group
题目要求：Given a linked list, reverse the nodes of a linked list k at a time and return its...
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Leetcode解题报告——128. Longest Consecutive Sequence
题目要求：Given an unsorted array of integers, find the length of the longest consecutive el...
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Leetcode解题报告——274. H-Index
题目要求：Given an array of citations (each citation is a non-negative integer) of a researc...
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Leetcode解题报告——200. Number of Islands题目要求：Given a 2d grid map of '1's (land) and '0's (water), count the number of islands. ...
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Leetcode解题报告——343. Integer Break
题目要求:Given a positive integer n, break it into the sum of at least two positive integer...
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Leetcode解题报告——338. Counting Bits
题目要求:Given a non negative integer number num. For every numbers i in the range 0 ≤ i ≤ ...
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Leetcode解题报告——97. Interleaving String
题目要求:Given s1, s2, s3, find whether s3 is formed by the interleaving of s1 and s2. For ...
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回文字符串利器——Manacher算法
最近刷leetcode时，遇到求最长回文子串问题，一开始想的是暴力匹配算法（逐个字符向两边检索），发现花费时间过长，后来了解到Manacher算法，跟大家分享一下。 一、字符...
