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🎯 Time Complexity Classifier

Analyze code snippets and identify their time complexity!

💻 Code Snippet #1
What's the time complexity?
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O(1)
O(log N)
O(N)
O(N log N)
O(N²)
O(2^N)
Correct!
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📚 Quick Reference
O(1) - Constant
O(log N) - Binary
O(N) - Linear
O(N log N) - Sort
O(N²) - Nested
O(2^N) - Exponential