Merge pull request #867 from pontusdacke/191-number-of-1-bits

Add csharp solution for 191 number of 1 bits

Author: Ahmad-A0

Diff for: csharp/191-Number-Of-1-Bits.cs

@@ -0,0 +1,11 @@
+public class Solution {
+    public int HammingWeight(uint n) {
+        var binary = Convert.ToString(n, 2);
+        var hammingWeight = 0;
+        for (int i = 0; i < binary.Length; i++)
+        {
+            hammingWeight += binary[i] - '0';
+        }
+        return hammingWeight;
+    }
+}