Given a number, return the number of closed 'circles' in the base 10 numerical representation.
Note: the number 4 has no circles
8819 -> 5
Interpolating on a string (the ASCII values) is an interesting idea even though the long interpolation string could be reduced by subtracting '0', but at the expense of a "longer" solution.
Determine if input is odd
Find the biggest empty box
Matrix which contains the values of an other matrix A at the given locations.
Determine if input is a perfect number
length of a vector
Return the Nth Output from an Input Command
Test if a Number is a Palindrome without using any String Operations
Return the first and last character of a string
The Dark Side of the Die
Number of 1s in the Binary Representation of a Number
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