LeetCode 3457: Eat Pizzas! Solution

Problem Explanation

Explanation

To maximize the total weight gained by eating pizzas, we can sort the pizzas in descending order. Then, we can pair up pizzas (W, X, Y, Z) such that we choose the heaviest pizza as Z and the second heaviest as Y on odd days, and the third heaviest as Y and the fourth heaviest as Z on even days. By following this strategy, we can ensure that we gain the maximum weight possible on each day.

Time Complexity

The time complexity of this approach is O(n log n) due to sorting the pizzas.

Space Complexity

The space complexity is O(n) to store the sorted array of pizzas.

Solution Code

import java.util.Arrays;

class Solution {
    public int maxPizzaWeight(int[] pizzas) {
        Arrays.sort(pizzas);
        int n = pizzas.length;
        int totalWeight = 0;
        
        for (int i = n - 1; i >= n / 2; i -= 2) {
            totalWeight += pizzas[i];
        }
        
        return totalWeight;
    }
}

Frequently Asked Questions

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What is the time complexity of LeetCode 3457 (Eat Pizzas!)?

The time complexity for LeetCode 3457 (Eat Pizzas!) varies by solution. Check the detailed explanation section for specific complexities in Java, C++, and Python implementations.

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3457. Eat Pizzas!