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
-
Which values occur exactly three times?
5247 Solvers
-
given 3 sides, find area of this triangle
823 Solvers
-
18157 Solvers
-
484 Solvers
-
907 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!