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
Show comments
Loading...
Problem Recent Solvers252
Suggested Problems
-
3826 Solvers
-
4900 Solvers
-
Make a random, non-repeating vector.
11944 Solvers
-
334 Solvers
-
Celsius to Fahrenheit converter
676 Solvers
More from this Author56
Problem Tags
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!