How many cards do one need to build a house of cards with n stages?
/\ 2 cards for 1 stage
/_\ 7 cards for 2 stages
@Thomas, the Test Suite is broken. Please provide "x" or replace it with "n" in tests.
Sorry for mistake! You are right! thanks
Sort a list of complex numbers based on far they are from the origin.
"Low : High - Low : High - Turn around " -- Create a subindices vector
Concatenate two strings
Product of elements in row
solid of revolution
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