Problem 54094. Check if a matrix Diagonal is equal to its secondary diagonal

Bernardo Cardoso de Aquino Cruz

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Your function should return True if the secondary diagonal is equal to diagonal, and False otherwise.
Eg: M = [1 2 1 
               3 4 4
               7 5 7]
The output is True
M=[1 2
       1 2]
The output is False. Always check the diagonal top to bottom. Return True if the matrix is empty.

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Last Solution submitted on Feb 10, 2026

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