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Kth Smallest Prime Fraction

Explore how to determine the kth smallest prime fraction from a sorted array of unique integers, including one. Learn to form fractions from array elements and apply k-way merge strategies to efficiently solve this problem.

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Statement

You are given a sorted array of unique integers, arr, which includes the number 11 and other prime numbers. You are also given an integer kk.

For every index ii and jj where 0≤i<j<0 \leq i < j < ...