funcaoretangulo.cpp

retangulo interseccao(retangulo r1, retangulo r2){
    int x1 = max(r1.x1, r2.x1);
    int x2 = min(r1.x2, r2.x2);
    int y1 = max(r1.y1, r2.y1);
    int y2 = min(r1.y2, r2.y2);
    
    retangulo resp;
    resp.x1 = x1;
    resp.x2 = x2;
    resp.y1 = y1;
    resp.y2 = y2;
    return resp;
}