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.
Find the alphabetic word product
Counting in Finnish
Is my wife right? Now with even more wrong husband
Arrange vector in ascending order
02 - Vector Variables 3
Guess the Coefficients!
Pig Latin to English Translator
Make an N-dimensional Multiplication Table
First N Perfect Squares
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