2053. Kth Distinct String in an Array II Dry Runs | Leetcode| JAVA | C++ || Brogrammers

In this in-depth tutorial, we dive into a fascinating algorithm challenge: finding the K-th distinct string in an array. Watch as we meticulously break down the problem, implement an efficient solution using Java, and explain every step in detail.

🔍 Problem Overview:
Given an array of strings, the goal is to return the K-th distinct string in the array. If there are fewer than K distinct strings, return an empty string.

🛠 Solution Breakdown:

Count Frequencies: Utilize a LinkedHashMap to maintain the order of strings while counting their occurrences.
Identify Distinct Strings: Traverse the map to find and track distinct strings.
Return the Result: Extract the K-th distinct string or return an empty string if not enough distinct strings exist.

🔎 Key Points Covered:

Understanding the LinkedHashMap for maintaining insertion order.
Efficiently counting string occurrences with getOrDefault.
Iterating through the map to find distinct strings.

🚀 Why This Method?
This approach ensures O(n) time complexity by leveraging the LinkedHashMap's properties, making it both efficient and easy to understand.

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