feat: solution: easy: hamming-distance.go

Author: illiafox

src/easy/hamming-distance.go

@@ -0,0 +1,8 @@
+package easy
+
+import "math/bits"
+
+// https://leetcode.com/problems/hamming-distance/
+func hammingDistance(x int, y int) int {
+	return bits.OnesCount(uint(x ^ y))
+}