LeetCode 2252: Dynamic Pivoting of a Table Solution

Master LeetCode problem 2252 (Dynamic Pivoting of a Table), a hard challenge, with our optimized solutions in Java, C++, and Python. Explore detailed explanations, test your code in our interactive editor, and prepare for coding interviews.

2252. Dynamic Pivoting of a Table

Hard

Database

Problem Explanation

Explanation:

The problem asks us to implement a dynamic pivoting function for a given table. The table is represented as a 2D array of integers. The dynamic pivoting function should take an input table and return a new table where each row is sorted in non-decreasing order.

To solve this problem, we can iterate through each row of the table and apply a dynamic programming approach to sort the elements in that row. We can use a priority queue (min heap) to sort the elements in each row efficiently. :

Solution Code

import java.util.*;

class Solution {
    public int[][] dynamicPivoting(int[][] table) {
        int rows = table.length;
        int cols = table[0].length;
        int[][] result = new int[rows][cols];

        for (int i = 0; i < rows; i++) {
            PriorityQueue<Integer> pq = new PriorityQueue<>();
            for (int j = 0; j < cols; j++) {
                pq.offer(table[i][j]);
            }
            for (int j = 0; j < cols; j++) {
                result[i][j] = pq.poll();
            }
        }

        return result;
    }
}

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