[C++] 纯文本查看 复制代码
#include <iostream.h>
//using namespace std;
class Matrix
{public:
Matrix();
friend Matrix operator+(Matrix &,Matrix &);
friend ostream& operator<<(ostream&,Matrix&);
friend istream& operator>>(istream&,Matrix&);
private:
int mat[2][3];
};
Matrix::Matrix()
{for(int i=0;i<2;i++)
for(int j=0;j<3;j++)
mat[j]=0;
}
Matrix operator+(Matrix &a,Matrix &b)
{Matrix c;
for(int i=0;i<2;i++)
for(int j=0;j<3;j++)
{c.mat[j]=a.mat[j]+b.mat[j];
}
return c;
}
istream& operator>>(istream &in,Matrix &m)
{cout<<"input value of matrix:"<<endl;
for(int i=0;i<2;i++)
for(int j=0;j<3;j++)
in>>m.mat[j];
return in;
}
ostream& operator<<(ostream &out,Matrix &m)
{for (int i=0;i<2;i++)
{for(int j=0;j<3;j++)
{out<<m.mat[j]<<" ";}
out<<endl;}
return out;
}
int main()
{ Matrix a,b,c;
cin>>a;
cin>>b;
cout<<endl<<"Matrix a:"<<endl<<a<<endl;
cout<<endl<<"Matrix b:"<<endl<<b<<endl;
c=a+b;
cout<<endl<<"Matrix c = Matrix a + Matrix b :"<<endl<<c<<endl;
return 0;
}