despites its pass,my sol still wrong when it be the case:"n=7",because the central element always zero no matter how we change input "n",
my solution is actually wrong.but TestSuite didn't add a "n=7" case,so...
Smallest size solution here without regexp cheat nor look up table.
Filter AC, pass DC
Flip the main diagonal of a matrix
middleAsColumn: Return all but first and last element as a column vector
Count decimal digits of a number
Make combination of two given matrices.
~~~~~~~ WAVE ~~~~~~~~~
factor to number
COUNT VOWEL 2
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