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.
Filter AC, pass DC
Back to basics 8 - Matrix Diagonals
System of equations
Change the sign of even index entries of the reversed vector
Test if two numbers have the same digits
Twist 'n' Match
Twins in a Window
Spot the rectangle (Part 2)
Find a subset that divides the vector into equal halves
Remove the air bubbles
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