Replace all the secondary diagonal elements of the square array A with the number n

Example:

 A = [1 2 3
      4 5 6
      7 8 9]
 n=0
 Output = [1 2 0
           4 0 6
           0 8 9]

Example 2

 A = 1;
 n = 10;
 Output = 10
Solve

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Last Solution submitted on Feb 12, 2026

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Mehdi Dehghan Matthew Bolyard 晨哲 ayush

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