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".
Swap the first and last columns
Given an unsigned integer x, find the largest y by rearranging the bits in x
Is my wife right? Now with even more wrong husband
03 - Matrix Variables 2
Number of odd and even elements within matrix
Vector of numbers divisible by 3
Mean and standard deviation of times in string
Create matrix with Gray code
Make a vector of prime numbers
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