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/Count Substrings With K-Frequency Characters II
Count Substrings With K-Frequency Characters II
Try to solve the Count Substrings With K-Frequency Characters II problem.
We'll cover the following...
We'll cover the following...
Statement
Given a string s and an integer k, return the total number of substrings of s where at least one character appears at least k times.
Note: A substring is a contiguous sequence of characters within a string. For example, "edu" is a substring of "educative".
Constraints:
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