有兩個矩陣a和b，均爲2行3列。求兩個矩陣之和

有兩個矩陣a和b，均爲2行3列。求兩個矩陣之和。重載運算符「+」，使之能用於矩陣相加，如：c=a+b

 

#include<iostream>
using namespace std;
class Arrary
{
public:
    Arrary();
    void cin_();

    int a[2][3];
    void display();
};

Arrary::Arrary()
{
        int i,j;
    for(i=0;i<2;i++)
        for(j=0;j<3;j++)
        a[i][j]=0;

}
void Arrary::cin_()
{
    cout<<"請輸入數組:";
          int i,j;
    for(i=0;i<2;i++)
        for(j=0;j<3;j++)
        cin>>a[i][j];
}
void Arrary::display()
{

        int i,j;
    for(i=0;i<2;i++)
    {   for(j=0;j<3;j++)
        cout<<a[i][j]<<" ";
    cout<<endl;
    }
}
Arrary operator +(Arrary c1,Arrary c2)
{
    Arrary c3;
    int i,j;
    for(i=0;i<2;i++)
        for(j=0;j<3;j++)
        {
            c3.a[i][j]=c1.a[i][j]+c2.a[i][j];
        }
        return c3;
}


int main()
{


    Arrary a,b,c;
    a.cin_();
    b.cin_();
    cout<<endl;
    a.display();
    cout<<endl;
    b.display();
    cout<<endl;
    c=a+b;
    c.display();

}