[ LeetCode ] 47. Permutations 2 ₙPₖ Heap's algorithm 🪞 Kotlin idiomatic way

Let's solve this problem idiomatic way via Kotlin!

🧑🏻‍🏫 Problem Link :
https://leetcode.com/problems/permuta...

🌲 Heap's algorithm :
https://en.wikipedia.org/wiki/Heap's_...
🪞😃🪞 Recursion (in computer science) :
https://en.wikipedia.org/wiki/Recursi...
🗺️ Kotlin Local Functions :
https://kotlinlang.org/docs/functions...
🔁 Kotlin Repeat :
https://kotlinlang.org/api/core/kotli...

⏰ Time Stamp
00:00 Analysis
00:36 Heap's algorithm
01:20 Algorithm in action
05:45 Implement the algorithm
09:17 Submit (1st try)
10:32 Submit

#algorithm #leetcode #kotlin #competitiveprogramming #permutation #permutations #divideandconquer #recursion #array #arrays #set #heap #codinginterview #btyttechlibrary

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