Create an n-by-n matrix with elements ranging from 1 to n^2 in a rectangular spiral pattern.
Example if n = 5 :
21 22 23 24 25
20 7 8 9 10
19 6 1 2 11
18 5 4 3 12
17 16 15 14 13
Sort a list of complex numbers based on far they are from the origin.
Which values occur exactly three times?
Volume of this donut
frame of the matrix
Convert a structure into a string
Matrix with different incremental runs
Sophie Germain prime
Cody Computer Part 2 - Get the license number of Cody Computer
Number of bytes required to store a sparse matrix
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