exam6.cpp

来自「C++语言程序设计题典」· C++ 代码 · 共 34 行

#include <iostream.h>
#include <iomanip.h>
const int M=3;
const int N=4;
class Array
{
	int A[M][N];
public:
	Array(int a[M][N])
	{
		for (int i=0;i<M;i++)
			for (int j=0;j<N;j++)
				A[i][j]=a[i][j];
	}
	friend ostream & operator << (ostream &out,Array &a);
};
ostream & operator << (ostream &out,Array &a)
{
	cout << "输出结果:" << endl;
	for (int i=0;i<M;i++)
	{
		for (int j=0;j<N;j++)
			cout << setw(3) << a.A[i][j];
	    cout << endl;	
	}
	return out;
}
void main()
{
	int a[M][N]={{1,3,5,9},{11,13,15,17},{19,21,23,25}};
	Array A(a);
	cout << A;     //调用重载运算符函数
}