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Grokking the Coding Interview Patterns in C++

Solution: Rearranging Fruits

Explore a greedy algorithm to minimize the cost of making two fruit baskets identical by swapping elements. Understand how to count frequencies, detect impossibility, and determine the optimal swaps to solve this optimization problem effectively.

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Statement

Given two 0-indexed integer arrays, basket1 and basket2, representing the cost of each fruit in the basket. Each basket contains nn fruits. Make the two baskets identical, i.e., both arrays should have the same costs.

To achieve this, perform the following operation as many times as necessary:

  1. Select two indexes, ii and jj, and swap the fruit at index ii in basket1 with the fruit at index jj ...