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".
Return the Fibonacci Sequence
Find the next prime number
Matrix to column conversion
Reverse a matrix
Return area of square
Vector of numbers divisible by 3
Volume and area of a sphere
Make a vector of prime numbers
Create matrix with Gray code
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