2D Matrix & Grid Traversal/Medium

Rotate ImagePRO PASS

Time: O(N²)Space: O(1)

Step 1: Setup & Initialization - Rotate Image

Transpose matrix elements along diagonal, then reverse each row.

Array Elements & Pointers

[0]

[1]

[2]

[3]

[4]

Live Variables & Invariants

status:Initialized

pattern:Rotate Image

Step 1 / 333%

Solution Code

function rotate(matrix: number[][]): void {

  const n = matrix.length;

  for (let r = 0; r < n; r++)

    for (let c = r; c < n; c++) [matrix[r][c], matrix[c][r]] = [matrix[c][r], matrix[r][c]];

  for (let r = 0; r < n; r++) matrix[r].reverse();

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