Count the Number of Computer Unlocking Permutations | LeetCode 3577 | Java Code | Developer Coder

Unlock the smart way to solve LeetCode 3577 – Count the Number of Computer Unlocking Permutations using efficient combinatorics and Java!
In this video, we walk through the logic, intuition, edge-cases, and complete Java code implementation step-by-step — explained in a simple and beginner-friendly way.

Whether you're preparing for FAANG interviews or targeting top product companies, this question is a great practice problem that tests permutation logic, constraints understanding, and mathematical reasoning.

Make sure to watch till the end, like the video, drop your doubts in the comments, and subscribe to Developer Coder for more high-quality DSA and LeetCode tutorials! 🚀

⭐ What You Will Learn in This Video

How unlocking permutation logic works
Efficient combinatorial reasoning
Java implementation explained clearly
Common pitfalls and edge cases
How this problem is asked in interviews

Github: https://github.com/abhinavsharma24717...

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