Given n, you should return an n-by-n unit matrix.
Example:
If input is n=2 then
A = [ 1 0
0 1 ]
If input is n=4 then
A = [ 1 0 0 0
0 1 0 0
0 0 1 0
0 0 0 1 ]
Solve

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Last Solution submitted on Jul 23, 2026

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Rajan Michon Omer Faruk N/A adil ahnaf

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