Minimum Number of Operations to Sort a Binary Tree by Level | Leetcode 2471 | codestorywithMIK
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This is the 54th Video of our Playlist "Binary Tree : Popular Interview Problems" by codestorywithMIK
In this video we will try to solve normal Binary Tree problem : Minimum Number of Operations to Sort a Binary Tree by Level | Hidden Problem | Leetcode 2471 | codestorywithMIK
I will explain the intuition so easily that you will never forget and start seeing this as cakewalk EASYYY.
We will do live coding after explanation and see if we are able to pass all the test cases.
Also, please note that my Github solution link below contains both C++ as well as JAVA code.
Problem Name : Minimum Number of Operations to Sort a Binary Tree by Level | Hidden Problem | Leetcode 2471 | codestorywithMIK
Company Tags : will update later
My solutions on Github(C++ & JAVA) - https://github.com/MAZHARMIK/Interview_DS_Algo/blob/master/Tree/Minimum Number of Operations to Sort a Binary Tree by Level.cpp
Leetcode Link : https://leetcode.com/problems/minimum-number-of-operations-to-sort-a-binary-tree-by-level
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Summary :
The solution calculates the minimum number of operations required to sort the values at each level of a binary tree to achieve level-wise sorted order. The approach involves two main steps:
Level-Order Traversal:
Perform a level-order traversal of the binary tree using a queue.
For each level, collect the node values into a list.
Counting Minimum Swaps:
For each level's list, calculate the minimum number of swaps required to sort the list.
Use a hashmap to track the indices of elements for efficient swapping.
Iterate through the list, and whenever an element is out of place, swap it with its correct position, updating the hashmap accordingly.
Increment the swap count for every such operation.
✨ Timelines✨
00:00 - Introduction
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