This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Determine whether a vector is monotonically increasing
Is my wife right?
letter yes yes & letter no no
Return 'on' or 'off'
Given a 4x4 matrix, swap the two middle columns
The Goldbach Conjecture
Find the two most distant points
Which doors are open?
Finding Perfect Squares
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