https://leetcode.com/problems/lucky-numbers-in-a-matrix

easy/lucky_numbers_in_a_matrix.py

@@ -0,0 +1,15 @@
+# https://leetcode.com/problems/lucky-numbers-in-a-matrix
+from typing import List
+
+class Solution:
+    def luckyNumbers (self, matrix: List[List[int]]) -> List[int]:
+        ret: List[int] = []
+        cols: List[int] = list(map(max, zip(*matrix)))
+        i = 0
+        while i < len(matrix):
+            min_index, min_value = min(enumerate(matrix[i]), key=lambda x: x[1])
+            if cols[min_index] == min_value:
+                ret.append(min_value)
+            i += 1
+        return ret
+