CodeChef Starters 179 | Problem 3- Unlock The Safe | #Codechef #starters179codechef #leetcode #code

🚀 Welcome to Code Answers! In this video, I solve the Unlock The Safe problem from the latest CodeChef contest with an optimized approach.

🔐 Problem Overview:
Chef has a safe with N dials, each displaying a digit. The goal is to match the target digits by performing UP and DOWN moves. However, there's a twist—Chef must use exactly K moves!

Key Challenges:
✅ Can we reach the target digits exactly in K moves?
✅ What happens if we unlock the safe before K moves?
✅ How do we handle edge cases efficiently within constraints?

💡 Topics Covered:

Mathematical Modulo Operations

Greedy Approach for Move Calculation

Handling Large Constraints Efficiently

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⚠️ Fair Use Disclaimer:
This video is for educational purposes only. The problem belongs to CodeChef, and this solution is shared under fair use to help learners improve their competitive programming skills.

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