It looks like there's an error in the test suite; test cases 3 and 4 have different length d and n vectors.
Oof! I hate it when that happens. Fixed it. Thanks for the note.
Omit columns averages from a matrix
Doubling elements in a vector
Rounding off numbers to n decimals
Is It a Snake?
When Was That Goal Scored?
Find the Final State of an Abelian Sandpile
Stuff the Board
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