Rotate matrix by 90 degrees

Problem Statement

Examples

Custom Notes

Approach custom 1 : TC: SC:

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FOR each row i FOR each column j IF matrix[i][j] == 0 mark all non-zero cells in row i as -1 mark all non-zero cells in column j as -1

FOR each row i FOR each column j IF matrix[i][j] == -1 matrix[i][j] = 0

RETURN matrix

PCode custom

1 / 1

FOR each row i
    FOR each column j
        IF matrix[i][j] == 0
            mark all non-zero cells in row i as -1
            mark all non-zero cells in column j as -1

FOR each row i
    FOR each column j
        IF matrix[i][j] == -1
            matrix[i][j] = 0

RETURN matrix