Solution Number of 1 bits

Author: doitduri

number-of-1-bits/doitduri.swift

@@ -0,0 +1,6 @@
+class Solution {
+    func hammingWeight(_ n: Int) -> Int {
+        let bitString = String(n, radix: 2)
+        return bitString.filter { $0 == "1" }.count
+    }
+}