Count Substrings With K-Frequency Characters II
Explore how to count all substrings in a string where at least one character appears k or more times. Understand and apply the sliding window technique to solve this problem efficiently, improving your ability to manipulate strings and arrays 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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