Leetcode Problem 2040. Kth Smallest Product of Two Sorted Arrays

2040. Kth Smallest Product of Two Sorted Arrays

Leetcode Solutions

Binary Search on Product Values

  1. Initialize left and right boundaries for the binary search, which are the possible range of product values.
  2. While left is less than right, perform the following steps: a. Calculate mid as the average of left and right. b. Count the number of products less than or equal to mid using a helper function. c. If the count is greater than or equal to k, update right to mid. d. If the count is less than k, update left to mid + 1.
  3. After the loop, left will be the kth smallest product.
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Min Heap for Kth Smallest Product

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