Fix 3.2.47

Author: ikesnowy

3 Searching/3.2/3.2.47/Form1.cs

@@ -1,6 +1,5 @@
 using System;
 using System.Collections.Generic;
-using System.Linq;
 using System.Threading.Tasks;
 using System.Windows.Forms;
 using BinarySearchTree;
@@ -81,7 +80,7 @@ private int Test(int n)
                 bst.Put(d, d);
             }
 
-            return bst.AverageInternalPathLength() + 1;
+            return bst.AverageInternalPathLength();
         }
 
         private int[] GetRandomInt(int n)

3 Searching/3.2/3.2.47/Form2.cs

@@ -17,7 +17,7 @@ public void Draw(Dictionary<int, double> data)
         {
             var panel = CreateGraphics();
             var unitX = (float)ClientRectangle.Width / data.Count;
-            var unitY = (float)(ClientRectangle.Height / data.Values.Max());
+            var unitY = (float)(ClientRectangle.Height / (1.39 * Math.Log2(data.Keys.Max()) - 1.85));
 
             for (var i = data.Keys.Min(); i < data.Keys.Max(); i++)
             {