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".
Number of 1s in the Binary Representation of a Number
Make a random, non-repeating vector.
Create matrix of replicated elements
frame of the matrix
Symmetry of vector
Can I make a right triangle ?
Vector of numbers divisible by 3
Make a vector of prime numbers
Mean and standard deviation of times in string
Return area of square
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