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".
Determine Whether an array is empty
Flag largest magnitude swings as they occur
Set some matrix elements to zero
convert matrix to single column
Flip the vector from right to left
Create matrix with Gray code
Vector of numbers divisible by 3
Can I make a right triangle ?
Return area of square
Number of odd and even elements within matrix
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