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Solution: Find Subsequence of Length K with the Largest Sum

Explore how to identify a subsequence of length k in an integer array that yields the largest sum. Learn to use a min heap to maintain the top k elements, sort them by original indices to preserve order, and understand the time and space complexities involved. This lesson teaches an efficient pattern for solving such coding interview problems.

Statement

You are given an integer array nums and an integer k. Your task is to find a subsequenceA subsequence is an array derived from another array by deleting some or no elements while preserving the order of the remaining elements. of nums of length k that has the largest possible sum.

Constraints:

  • 11 \leq nums.length 1000\leq 1000

  • ...