Number of Circles in a Number - MATLAB Cody - MATLAB Central

Problem 322. Number of Circles in a Number

Difficulty:
(48)
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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
Solve

Solution Stats

63.52% Correct | 36.48% Incorrect
Last Solution submitted on Mar 16, 2025

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