7_Reverse_Integer.py

Author: Dominik Schauer

algorithms/7_Reverse_Integer.py

@@ -0,0 +1,18 @@
+class Solution:
+    
+    def reverse(self, x: int) -> int:
+        max_int = 2**31 - 1
+        min_int = 2**31 * -1 
+                        
+        # reverse unsigned integer
+        # casting back to integer also removes possible leading 0s
+        if (x < 0):
+            x = -1 * x
+            x = int(str(x)[::-1]) * -1
+        else:
+            x = int(str(x)[::-1])
+            
+        if (x <= max_int or x >= max_int):
+            return 0
+        else:
+            return x