Problem 2480. Change the first and last diagonal element of the identity matrix to zero

Starting with the identity matrix, change first and last diagonal element to zero.

Example

If n=5

 A =
     0     0     0     0     0
     0     1     0     0     0
     0     0     1     0     0
     0     0     0     1     0
     0     0     0     0     0
Solve

Solution Stats

57.58% Correct | 42.42% Incorrect
Last Solution submitted on Nov 22, 2025

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