The problem says the input is a positive integer but the first test inputs 0. In my code that caused r = 0/0 error. Please change the wording to "input is non-negative".
Find the sum of the elements in the "second" diagonal
Determine Whether an array is empty
Right Triangle Side Lengths (Inspired by Project Euler Problem 39)
Calculate Inner Product
Create matrix with Gray code
Return area of square
How many digits are there?
Volume and area of a sphere
Make a vector of prime numbers
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