Day i do not know

231. Power of Two/Solution.cs

@@ -0,0 +1,10 @@
+namespace _231._Power_of_Two;
+
+public class Solution
+{
+    public bool IsPowerOfTwo(int n)
+    {
+        double log = Math.Log(n, 2);
+        return Math.Round(log, 12) == (int)log;
+    }
+}