reverse-bits solution

Author: sungjinwi

reverse-bits/sungjinwi.py

@@ -0,0 +1,9 @@
+class Solution:
+    def reverseBits(self, n: int) -> int:
+        ret = 0
+        for _ in range(31) :
+            ret |= n & 1
+            ret <<= 1
+            n >>= 1
+        ret += n & 1
+        return ret