Merge pull request #868 from pontusdacke/338-counting-bits

Add csharp solution for 338 Counting bits

Author: Ahmad-A0

csharp/338-Counting-Bits.cs

@@ -0,0 +1,16 @@
+public class Solution {
+    public int[] CountBits(int n) {
+        var hammingWeights = new int[n+1];
+        for (int i = 0; i <= n; i++)
+        {
+            var binary = Convert.ToString(i, 2);
+            var hammingWeight = 0;
+            for (int j = 0; j < binary.Length; j++)
+            {
+                hammingWeight += binary[j] - '0';
+            }
+            hammingWeights[i] = hammingWeight;
+        }
+        return hammingWeights;
+    }
+}