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Find K-th Smallest Pair Distance

Explore how to find the k-th smallest pair distance from an array of integers by organizing data through sorting and using binary search methods. This lesson helps you understand problem constraints and apply efficient algorithms to solve pair distance challenges commonly seen in coding interviews.

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 00 \leq i << j << num.length.

The distance between a pair of integers, aa and ...