Minimum Time to Collect All Apples in a Tree - LeetCode Solution in Java | THE CODE WIZARD

Pubblicato il: 11 gennaio 2023
sul canale di: The Code Wizard

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Welcome to my channel. In this video, I have solved the "Minimum Time to Collect All Apples in a Tree" problem from LeetCode. This is a medium-level question. This problem has been asked on Daily LeetCoding Challenge on 11th January 2023 and I solved it using Java.

Problem: Given an undirected tree consisting of n vertices numbered from 0 to n-1, which has some apples in their vertices. You spend 1 second to walk over one edge of the tree. Return the minimum time in seconds you have to spend to collect all apples in the tree, starting at vertex 0 and coming back to this vertex.
The edges of the undirected tree are given in the array edges, where edges[i] = [ai, bi] means that exists an edge connecting the vertices ai and bi. Additionally, there is a boolean array hasApple, where hasApple[i] = true means that vertex i has an apple; otherwise, it does not have any apple.

I have used the Depth First Search Approach (DFS) to solve this problem.

I hope you found this video helpful! If you have any questions or suggestions, please leave them in the comments below.
Thank you for watching!😇🙏

Problem Link: https://leetcode.com/problems/minimum...

Topics relevant to this problem:
Minimum Time to Collect All Apples in a Tree
Minimum Time to Collect All Apples in a Tree Graph Approach
Minimum Time to Collect All Apples in a Tree LeetCode
Java Programming
Tree Problem on LeetCode
Graph Problem on LeetCode

#leetcode #leetcodesolution #problemsolving #problemsolvingskills #tree #graph #dfs #dailyleetcoding #javaprogramming #leetcodejava

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