Tema structuri

#include <iostream>

using namespace std;

int main()
{
    int pb;
    cout << "Introdu nr. problemei:"; cin>>pb;
    switch(pb){
        case 1:{//Var.1, Sub2, Pb.3
            struct punct{
                float x, y;
            }A,B,C;

            cout<<"Xa="; cin>>A.x;
            cout<<"Ya="; cin>>A.y;
            cout<<"Xb="; cin>>B.x;
            cout<<"Yb="; cin>>B.y;
            cout<<"Punctul C are coordonatele: x="<<(A.x+B.x)/2<<", y="<<(A.y+B.y)/2;
            break;
        }
        case 2:{//Var.2, Sub.2, Pb.2
            //varianta corecta este C
            break;
        }
        case 3:{//Var.3, Sub.2, Pb.3
            struct fractie{
                int x, y;
            }f, f1, f2;
            cout<<"Fractia 1:"<<endl;
            cin>>f1.x>>f1.y;
            cout<<"Fractia 2:"<<endl;
            cin>>f2.x>>f2.y;
            cout<<"F are valoarea:"<<(f1.x/f1.y)+(f2.x/f2.y);
            break;
        }
        case 5:{//Var.5, Sub.2, Pb.2
            //raspunsul corect este D
            break;
        }
        case 9:{//var.9, Sub.2, Pb.1
            //varianta corecta este A
            break;
        }
        case 10:{//Var.10, Sub.2, Pb1
            //varianta corecta este A
            break;
        }

    }
    return 0;
}