Grokking the Coding Interview: Patterns for Coding Questions
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Problem Challenge 1: Flip and Invert an Image (hard)

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Anonymous

· 2 years ago

Tbh it is not hard question but it is just my opinion.

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Anonymous

· 4 years ago

Time complexity should be O(N^2) is input matrix is guaranteed to be a square or O(M * N) if not.

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Anonymous

· 4 years ago

The solution given assumes the matrix is square. Update C to be len(matrix[0]) or add the constraint.

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