I couldn't figure out why my numbers were larger than the answers in the test suite and finally realized that most of those answers were products of the unique factors of the numbers of permutations.
Swap the first and last columns
Decode a simplified barcode
Generate a string like abbcccddddeeeee
The Answer to Life, the Universe, and Everything
Create the following sequence : 0 1 1 4 9 25 64 169 ...
Determine whether a given point is inside or outside a polygon
Raise a polynomial to a power
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