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
-
Find the peak 3n+1 sequence value
2572 Solvers
-
Back to basics 22 - Rotate a matrix
939 Solvers
-
435 Solvers
-
Cell Counting: How Many Draws?
2527 Solvers
-
431 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!