![[Java] Leetcode 261. Graph Valid Tree [Union Find #2]](https://i.ytimg.com/vi/PunLNRXcxlQ/mqdefault.jpg)
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Last Updated: September 26, 2026
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neetcode.io/ - A better way to prepare for Coding Interviews Problem Link: neetcode.io/problems/ This video covers one of the most popular data structures and algorithms topic " DP Playlist : youtube.com/playlist?list=PL7EDHkJGOkPS4ZTUX9p-iqtsvoobYIvNi LeetCode Interview Preparation ... Larry solves and analyzes this Leetcode problem as both an interviewer and an interviewee. This is a live recording of a real ... 00:00 optimized one has lower complexity 00:41 Link to the question: leetcode.com/problems/ In this video, I'm going to show you how to solve Leetcode 261. In this video, I will be showing you how to solve PROBLEM DESCRIPTION* Given n nodes labeled from 0 to n-1 and a list of undirected edges (each edge is a pair of nodes), ... 00:00 intuitive thinking 01:27 process analysis 04:50 code walkthrough. 0:00 Definition 00:33 merge set 02:58
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