Keep in mind that your test suite isn't hidden in Cody. For that reason, Cody isn't the best place to ask questions that have a single correct answer (i.e. the answer doesn't change depending on novel inputs).
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
All your base are belong to us
Find the sum of the elements in the "second" diagonal
Colon operator of two vectors
Basic arrays operations.
Maximum value in a matrix
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