feat: Solve sum-of-two-integers problem

Author: hu6r1s

sum-of-two-integers/hu6r1s.py

@@ -0,0 +1,6 @@
+class Solution:
+    def getSum(self, a: int, b: int) -> int:
+        mask = 0xFFFFFFFF
+        while b & mask:
+            a, b = a ^ b, (a & b) << 1
+        return (a & mask) if b > 0 else a