<p>This is what is made so far and this is in c++</p><p>class entry<br/>{<br/>public:<br/>entry(){row=0; col=0; val=0;}</p><p>entry(int r, int c, double v){row=r; col=c; val=v;}<br/>~entry(){}</p><p>double getval(){return val;}<br/>int getcol(){return col;}</p><p>void display(){cout<<"("<<row<<","<<col<<", "<<val<<")";}<br/>private:<br/>int row;<br/>int col;<br/>double