719. Find K-th Smallest Pair Distance | Binary Search | Leetcode Daily Challenge | Coding ASMR |Java

In this video, we will solve LeetCode problem number 719, titled "Find K-th Smallest Pair Distance." This problem is categorized as a Hard level problem and involves finding the k-th smallest absolute difference between any two elements in a given array. The challenge requires a good understanding of binary search and two-pointer techniques to efficiently solve the problem.

We'll start by understanding the problem statement and breaking down the logic needed to find the k-th smallest distance. The solution involves sorting the array and then applying binary search on the possible distances while using a helper function to count the number of pairs with distances less than or equal to a given mid-value.

This tutorial will walk you through the code step-by-step, implementing the solution in Java. We'll discuss key concepts such as binary search on answer space, pair counting, and two-pointer strategies. This problem is a great example of using binary search in a non-traditional way, making it a valuable practice for coding interviews and enhancing problem-solving skills in algorithmic challenges.

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