COMPLEJIDAD ESSEMEJANTE

                                                                         //O(1)
    private boolean esSemejante(NodoBin<T> r) {       //T=1+MAX(1,0)+3+MAX(1,0)+4 = 1+1+3+1+4 = 10
        if(r==null)                                                             //1+MAX
            return (true);                                                      //1
        if(!this.esta(r.getInfo()))                                         //3+MAX
            return (false);                                                     //1
        return (esSemejante(r.getIzq())&&esSemejante(r.getDer()));          //4
    }