Count Substrings With K-Frequency Characters II
Understand how to efficiently count substrings in a string where at least one character appears at least k times. Explore the sliding window technique to solve this problem and practice implementing the solution in a hands-on coding environment.
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:
...