Flip and Invert Matrix

You are given a two-dimensional integer matrix matrix containing 1s and 0s. For each row in matrix, reverse the row. Then, flip each value in the matrix such that any 1 becomes 0 and any 0 becomes 1.

Constraints

• n, m ≤ 250 where n and m are the number of rows and columns in matrix

https://binarysearch.com/problems/Flip-and-Invert-Matrix

Examples

Example 1

Input

• matrix =

[[1,1,0],
 [0,0,1],
 [0,0,0]]

Output

• answer = [[1, 0, 0], [0, 1, 1], [1, 1, 1]]

Solution