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.
Count from 0 to N^M in base N.
Project Euler: Problem 5, Smallest multiple
Multiply a column by a row
What's Your BMI?
Side of an equilateral triangle
Pig Latin to English Translator
Roll the Dice!
Test if two numbers have the same digits
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