Feat : Set Matrix Zeroes

Author: printjin-gmailcom

set-matrix-zeroes/printjin-gmailcom.py

@@ -0,0 +1,23 @@
+class Solution:
+    def setZeroes(self, matrix):
+        first_row_zero = any(matrix[0][j] == 0 for j in range(len(matrix[0])))
+        first_col_zero = any(matrix[i][0] == 0 for i in range(len(matrix)))
+
+        for i in range(1, len(matrix)):
+            for j in range(1, len(matrix[0])):
+                if matrix[i][j] == 0:
+                    matrix[i][0] = 0
+                    matrix[0][j] = 0
+
+        for i in range(1, len(matrix)):
+            for j in range(1, len(matrix[0])):
+                if matrix[i][0] == 0 or matrix[0][j] == 0:
+                    matrix[i][j] = 0
+
+        if first_row_zero:
+            for j in range(len(matrix[0])):
+                matrix[0][j] = 0
+
+        if first_col_zero:
+            for i in range(len(matrix)):
+                matrix[i][0] = 0