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using namespace std;
class Base {
public:
virtual void fn(int x) {
cout << "In Base class, int x = " << x << endl;
}
};
class SubClass : public Base {
public:
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/*
 * test.cpp
 *
 *  Created on: 2010-5-13
 *      Author: Sarah
 */
  #include   "/usr/include/mysql/mysql.h"   /*Ϊ¾ø¶Ô·¾¶*/
  #include   <stdio.h>
#include <stdlib.h>
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