Easy to understand solution in Java.
Complexity

Time complexity:
O(m*n)


Space complexity:
O(m*n)

Code
# Complexity
- Time complexity:
O(m*n)

- Space complexity:
O(m*n)

# Code
```java []
class Solution {
    public boolean areSimilar(int[][] mat, int k) {
        int m = mat.length;
        int n = mat[0].length;
        int[][] modifiedMat = new int[m][n];

        for (int i = 0; i < m; i++) {
            for (int j = 0; j < n; j++) {
                if (i % 2 != 0) {
                    modifiedMat[i][j] = mat[i][(j + k) % n];
                } else {
                    modifiedMat[i][j] = mat[i][((j - k) % n + n) % n];
                }
            }
        }
        return Arrays.deepEquals(mat, modifiedMat);
    }
}
```
['Array', 'Matrix', 'Java']