Rotate a 2D square matrix 90 degrees clockwise by transposing and reversing rows.
Code
General$n = count($matrix);
$result = [];
for ($i = 0; $i < $n; $i++) {
$result[$i] = [];
for ($j = 0; $j < $n; $j++) {
$result[$i][$j] = $matrix[$n - 1 - $j][$i];
}
}
return $result;Parameters
Square matrix
Server
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