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 Solvers246
Suggested Problems
-
Determine if a Given Number is a Triangle Number
399 Solvers
-
415 Solvers
-
909 Solvers
-
Detect a number and replace with two NaN's
200 Solvers
-
306 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!