CSDN 夏令营程序 试题分析

题目如下：

正确修改后的程序：

#include <iostream.h>
//using namespace std;

class BASE
{
	char c;
public:
	BASE(char n):c(n){}
	virtual~BASE()
	{cout<<c;}
};
class DERIVED:public BASE
{
	char c;
public:
	DERIVED(char n):BASE(n+1),c(n){}
	~DERIVED(){cout<<c;}
};
int main()
{
	DERIVED('X');
	cout<<endl;
	return 0;
}

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