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Optimizing Resource Allocation

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Problem statement

An array of size n represents a set of available resources. Identify a subarray that optimally utilizes these resources under the following constraints:

The subarray must have a specific length, denoted as k.
All elements in the subarray must be unique, representing distinct resource allocations.

The ultimate goal is to find the subarray that maximizes the sum of the allocated resources. Return the sum for that subarray. If it is not possible to allocate resources per the constraints, return -1.

Note: A subarray is a contiguous segment of an array.

Function

findOptimalResources(arr: int[], k: int) → int

Complete the function findOptimalResources in the editor.

Examples

Example 1

arr = [1, 2, 3, 7, 3, 5]k = 3return = 15

Following are the subarrays of length k = 3 and all elements are distinct:

[1, 2, 3] and 1 + 2 + 3 = 6
[2, 3, 7] sum = 12
[7, 3, 5] sum = 15

Return the maximum sum, 15.

Problem statement

Function

Examples

Example 1

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