Count Substrings with K Distinct Characters Hashmap Interview Questions

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Please consume this content on nados.pepcoding.com for a richer experience. It is necessary to solve the questions while watching videos, nados.pepcoding.com enables that. • NADOS also enables doubt support, career opportunities and contests besides free of charge content for learning. In this video, we discuss the count substrings with K distinct characters problem using hashmaps in java. In this problem, • 1. You are given a string(str) and a number K. • 2. You have to find the count of valid substrings of the given string. • 3. Valid substring is defined as a substring that has exactly K unique characters. • To attempt and submit this question, click here: https://www.pepcoding.com/resources/d... • For a better experience and more exercises, VISIT: • Have a look at our result: • Follow us on our FB page: / pepcoding • Follow us on Instagram: / pepcoding • Follow us on LinkedIn: / pepcoding-education

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