Maximize the Number of Target Nodes After Connecting Trees II | Full Dry Run | Leetcode 3373 | MIK
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Hi Everyone, this is the 76th video of our Playlist "Graphs : Popular Interview Problems".
Now we will be solving a good Graph Problem - Maximize the Number of Target Nodes After Connecting Trees II | Detailed Dry Run | Leetcode 3373 | codestorywithMIK
I will explain it in full detail so that it becomes easy to understand. We will find the reason behind everything so that we understand why we did what we did.
And we will do a complete dry run.
Problem Name : Maximize the Number of Target Nodes After Connecting Trees II | Detailed Dry Run | Leetcode 3373 | codestorywithMIK
Company Tags : will update later
Code Github(C++ & JAVA) : https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/Graph/Maximize the Number of Target Nodes After Connecting Trees II.cpp
Leetcode Link : https://leetcode.com/problems/maximize-the-number-of-target-nodes-after-connecting-trees-ii
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Video Summary :
The approach leverages DFS to bipartition each tree into two groups by alternately marking connected nodes as 0 or 1. This allows counting how many nodes fall into each group (zeroMarkedCount and oneMarkedCount). Since any node from the first tree can be paired with the majority group from the second tree to maximize targets, we precompute the larger group in Tree B. Finally, for each node in Tree A, we combine its group size with the maximal group from Tree B to get the result.
✨ Timelines✨
00:00 - Introduction
0:28 - Motivation
1:00 - Problem Explanation
5:57 - Thought Process For Tree1 Target Nodes
19:09 - Thought Process For Connecting with Tree2
29:50 - Finding Maximum Target Nodes in Tree2
34:07 - Story Points
36:01 - Coding it up
46:34 - Time & Space Complexity
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