Draw a x-by-x matrix 'B' using 1 and 0. (x is odd and bigger than 4)
Example:
x=5 ans= [1 1 1 1 0 1 0 0 0 1 1 1 1 1 0 1 0 0 0 1 1 1 1 1 0] x=7 ans= [1 1 1 1 1 1 0 1 0 0 0 0 0 1 1 0 0 0 0 0 1 1 1 1 1 1 1 0 1 0 0 0 0 0 1 1 0 0 0 0 0 1 1 1 1 1 1 1 0]
Make a run-length companion vector
429 Solvers
133 Solvers
186 Solvers
Flip the vector from right to left
361 Solvers
231 Solvers