Looks like the test suite could use some work.
This problem has been updated and corrected.
Hi Grant, it is nice to see that your are now maintaining all Cody problems. Cheers!
Swap the first and last columns
Return the first and last characters of a character array
Find out missing number from a vector of 9 elements
Matrix to column conversion
Evaluating a polynomial
Sum of digits of powers of 2
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