What is this digit operation?
0 -> 0
1 -> 9
121 -> 9
44 -> 6
15 -> 5
1243 -> 7
Sort a list of complex numbers based on far they are from the origin.
Distance walked 2D
Vectorize the digits of an Integer
Reverse the elements of an array
Replace multiples of 5 with NaN
Two functions (to be sure)
Find Missing Number
How many monitors are connected ?
Negation and new variables
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