Grokking Oracle Coding Interview
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Solution: Find Subsequence of Length K With the Largest Sum

Problem Statement

Given an integer array nums and a positive integer k, return any subsequence of nums of length k, which has the largest sum.

A subsequence maintains the original order of array elements but may exclude some, without reordering the remaining ones.

Examples

  • Example 1:

    • Input: nums = [5, -2, 3, 8], k = 2
    • Expected Output: [5, 8]
    • Justification: The subsequence [5, 8] gives the largest sum of 13, which is the maximum sum we can obtain from any subsequence of length 2.

  • Example 2:

    • Input:

.....

.....

.....

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