InterviewDigestOA2026-08-11
Count repeated characters in a string
AI-Expanded — inferred from the question title, not from the original candidate report
Given a string, write a function that returns a dictionary or hash map containing each character that appears more than once as the key and its corresponding frequency count as the value. The function should ignore case sensitivity and return an empty result if no characters are repeated.
Context & Summary
The assessment included aptitude, core subject knowledge, and coding tasks.
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