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Grokking the Coding Interview Patterns in C++

Solution: Find K-th Smallest Pair Distance

Explore how to determine the k-th smallest pair distance in an integer array by applying sorting and optimized search techniques. Learn to combine binary search with the sliding window method to count valid pairs and narrow down the distance efficiently. Understand the algorithm's time and space complexity for practical coding interview preparation.

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Statement

Given an array of integers nums and an integer k, return the kthk^{th} smallest distance between any pair of integers (nums[i], nums[j]), where 0≤0 \leq i < ...