How should I practice Select K Paired Indices for Maximum Score?

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Select K Paired Indices for Maximum Score

Amazon● MediumFULLTIMEONSITE INTERVIEW

Problem statement

Select exactly k shared indices from two equal-length arrays. The score is the sum of selected values from first multiplied by the minimum selected value from second.

The problem statement continues

Pro

Examples

Example 1

first = [1,3,3,2]second = [2,1,3,4]k = 3return = 12

Case 1 exercises the documented deterministic contract.

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