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
given 3 sides, find area of this triangle
Length of the hypotenuse
Area of a circle
Find out sum of all elements of given Matrix
Is it prime?
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