diff --git a/HDOJ/2023.cpp b/HDOJ/2023.cpp
new file mode 100644
index 0000000..affb796
--- /dev/null
+++ b/HDOJ/2023.cpp
@@ -0,0 +1,90 @@
+#include <iostream>
+#include <string>
+#include <vector>
+#include <queue>
+#include <algorithm>
+
+#include <cstdio>
+#include <cstdlib>
+#include <cstring>
+
+/// This Contest and Compile does not support C++11.
+//#include <thread>
+//#include <mutex>
+//#include <condition_variable>
+//#include <functional>
+
+using namespace std;
+
+
+
+int main()
+{
+    int n,m;
+    while(cin>>n)
+    {
+        cin>>m;
+        vector< vector<double> > vec(n);
+        vector<double> stuav;
+        vector<double> clsav;
+        for(int i=0;i<n;i++)
+        {
+            double sum=0;
+            for(int j=0;j<m;j++)
+            {
+                double temp;
+                cin>>temp;
+                vec.at(i).push_back(temp);
+                sum+=temp;
+            }
+            sum/=m;
+            stuav.push_back(sum);
+        }
+
+        for(int i=0;i<m;i++)
+        {
+            double sum=0;
+            for(int j=0;j<n;j++)
+            {
+                sum+=vec.at(j).at(i);
+            }
+            sum/=n;
+            clsav.push_back(sum);
+        }
+
+        int cc=0;
+
+        for(int i=0;i<n;i++)
+        {
+            bool yes=true;
+            for(int j=0;j<m;j++)
+            {
+                if(vec.at(i).at(j)<clsav.at(j))
+                {
+                    yes=false;
+                    break;
+                }
+            }
+            if(yes)
+            {
+                ++cc;
+            }
+        }
+
+        for(int i=0;i<n-1;i++)
+        {
+            printf("%.2f ",stuav.at(i));
+        }
+        printf("%.2f\n",stuav.at(n-1));
+
+        for(int i=0;i<m-1;i++)
+        {
+            printf("%.2f ",clsav.at(i));
+        }
+        printf("%.2f\n",clsav.at(m-1));
+
+        cout<<cc<<endl<<endl;
+    }
+
+    return 0;
+}