Largest Number in K Swaps | Backtracking & Optimization | C++ Solution Github
In this video, I walk you through how to solve the "Largest Number in K Swaps" problem using backtracking with optimization techniques in C++. This is a common problem asked in technical interviews and coding challenges.
🔍 Problem Summary:
Given a string of digits representing a number and an integer k, find the maximum possible number by performing at most k swaps between any two digits.
📌 Concepts Covered:
Recursion
Backtracking
Greedy optimization
String manipulation in C++
Time complexity analysis
🎯 You'll learn:
How to approach the problem step-by-step.
Why greedy methods might not always work.
The importance of backtracking to explore all possibilities.
How to optimize the solution for better performance.
💻 Code Included:
I provide a clean and well-commented C++ implementation that handles edge cases and works efficiently within the constraints.
🔗 Check out the full code here: GitHub - https://github.com/SIMARSINGHRAYAT/Gf...
✅ Suitable for:
Coding interview prep
Competitive programming
Data Structures & Algorithms revision
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#coding #algorithms #interviewprep #Cplusplus #backtracking #competitiveprogramming #DSA
