Problem Challenge 1: Flip and Invert an Image (hard)

Grokking the Coding Interview: Patterns for Coding Questions

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1 Line solution for the problem

Naveen Gupta

Feb 17, 2025

class Solution:
  def flipAndInvertImage(self, matrix):
    for row in range(len(matrix)):
      matrix[row] = [abs(i-1) for i in matrix[row][::-1]]
    return matrix

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