The problem description and title have been updated.
After I submited my solution, return the message "While evaluating the solution, the server encountered an error caused by temporary unavailability of MATLAB Service. Wait a few minutes for the MATLAB Service to return, and then rescore.".
I have tried many times!!!
Back and Forth Rows
Specific Element Count
Make a 1 hot vector
Matrix of almost all zeros, except for main diagonal
Rotate Matrix @180 degree
create a square matrix
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