Скачать или смотреть 1380. Lucky Numbers in a Matrix using Java | Leetcode | 19 July 2024 | Array | Matrix | Java

LeetCode Problem of the day
19 July 2024
Problem No [1380] : Lucky Numbers in a Matrix using Java
Level : Easy
Topic : Matrix | Array

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✅ Description about the problem as follows :

Given an m x n matrix of distinct numbers, return all lucky numbers in the matrix in any order.

A lucky number is an element of the matrix such that it is the minimum element in its row and maximum in its column.


Example 1:

Input: matrix = [[3,7,8],[9,11,13],[15,16,17]]
Output: [15]
Explanation: 15 is the only lucky number since it is the minimum in its row and the maximum in its column.


Example 2:

Input: matrix = [[1,10,4,2],[9,3,8,7],[15,16,17,12]]
Output: [12]
Explanation: 12 is the only lucky number since it is the minimum in its row and the maximum in its column.


Example 3:

Input: matrix = [[7,8],[1,2]]
Output: [7]
Explanation: 7 is the only lucky number since it is the minimum in its row and the maximum in its column.

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