Leetcode 1496 Solution

This article provides solution to leetcode question 1496 (lucky-numbers-in-a-matrix)
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https://leetcode.com/problems/lucky-numbers-in-a-matrix

Solution

class Solution:
    def luckyNumbers (self, matrix: List[List[int]]) -> List[int]:
        m = len(matrix)
        n = len(matrix[0])

        row_mins = [min(values) for values in matrix]
        col_mins = []

        for j in range(n):
            values = []
            for i in range(m):
                values.append(matrix[i][j])
            col_mins.append(max(values))

        ans = []
        for i in range(m):
            for j in range(n):
                if matrix[i][j] == row_mins[i] == col_mins[j]:
                    ans.append(matrix[i][j])
        return ans