When you enter the number, it should return the number multiplied by 3
Please improve the test suite.
Not great problem, poor test suite
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Remove any row in which a NaN appears
Specific Element Count
Change the sign of even index entries of the reversed vector
Given a 4x4 matrix, swap the two middle columns
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