Create a 100 X 100 array of ones.
This user (ALBERT ALEXANDER STONIER) appears to have gamed the system, with fraudulent "likes" of this unremarkable solution submitted by 'sock-puppet' accounts. —DIV
Change the sign of even index entries of the reversed vector
191 Solvers
289 Solvers
291 Solvers
1118 Solvers
260 Solvers
Solution 1406020
I think the question should be a matrix of x*x