🚀 https://neetcode.io/ - A better way to prepare for Coding Interviews
Problem Link: https://neetcode.io/problems/valid-tree
0:00 - Read the problem
2:45 - Drawing Explanation
10:06 - Coding Explanation
leetcode 261
This question was identified as a facebook interview question from here: https://github.com/xizhengszhang/Leetcode_company_frequency
#graph #tree #python
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