diff --git a/Utilities/Array.cpp b/Utilities/Array.cpp
index 42b8ada..df76dba 100644
--- a/Utilities/Array.cpp
+++ b/Utilities/Array.cpp
@@ -8,8 +8,8 @@ Distributed under the BSD license.
 *******************************************************************/
 
 //==================================================================
-// ¡¶½£Ö¸Offer¡ª¡ªÃûÆóÃæÊÔ¹Ù¾«½²µäÐͱà³ÌÌâ¡·´úÂë
-// ×÷ÕߣººÎº£ÌÎ
+// ����ָOffer�����������Թپ������ͱ���⡷����
+// ���ߣ��κ���
 //==================================================================
 
 #include <stdlib.h>
@@ -41,7 +41,7 @@ int Partition(int data[], int length, int start, int end)
     int small = start - 1;
     for(index = start; index < end; ++ index)
     {
-        if(data[index] < data[end])
+        if(data[index] < data[end] || (data[index] == data[end] && rand() % 2 == 0))
         {
             ++ small;
             if(small != index)