diff --git a/cs/counting-bits.cs b/cs/counting-bits.cs
new file mode 100644
index 0000000..6b1cd19
--- /dev/null
+++ b/cs/counting-bits.cs
@@ -0,0 +1,11 @@
+public class Solution {
+    public int[] CountBits(int n) {
+        var counters = new int[n + 1];
+
+        for (var i = 1; i <= n; ++i) {
+            counters[i] = counters[i >> 1] + i % 2;
+        }
+
+        return counters;
+    }
+}