Given a number, return the number of closed 'circles' in the base 10 numerical representation.
Note: the number 4 has no circles
Example:
8819 -> 5
Solution Stats
Problem Comments
Solution Comments
1 player likes this solution
1 Comment
Peter Wittenberg
on 8 Apr 2012
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.
Tags
Discover what MATLAB® can do for your career.
Opportunities for recent engineering grads.
Apply Today
3 players like this problem
3 players like this problem