Rotate a Matrix by 90 degrees

Example:

If the input is:

X =

    1    2    3
    4    5    6
    7    8    9

So the answer would be:

Y =

    3    6    9
    2    5    8
    1    4    7
Solve

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1419 Solutions

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Last Solution submitted on Feb 04, 2026

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Matthew Bolyard JJY 萌 Amelia

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