Problem 1926. Unit Matrix

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

Solution Stats

79.51% Correct | 20.49% Incorrect
Last Solution submitted on Dec 21, 2025

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