<ul><li>You are given an m x n matrix of characters box representing a side-view of a box.</li><li>The box is rotated 90 degrees clockwise, causing some of the stones to fall due to gravity.</li><li>Return an n x m matrix representing the box after the rotation described above.</li><li>Rotate the box using the relation rotatedBox[i][j] = box[m - 1 - j][i]. Start iterating from the bottom of the box and for each empty cell check if there is any stone above it with no obstacles between them.</li></ul>

1861. Rotating the Box

Discover more