Count Substrings With K-Frequency Characters II
Explore how to count the total number of substrings in a string where at least one character appears at least k times. Learn to apply the sliding window approach to efficiently solve this problem, enhancing your understanding of substring patterns and frequency constraints in coding interviews.
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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