COMPLEJIDAD GETPADRE

                                                                             //O(1)
    private NodoBin<T> getPadre(NodoBin<T> x, T info){                          //T=1+max(1,0)+13+max(1,0)+4+1+max(3,1) = 1+1+13+1+5+3 = 24
        if(x==null)                                                             //1+max
            return null;                                                        //1
        if((x.getIzq()!=null && x.getIzq().getInfo().equals(info))|| (x.getDer()!=null && x.getDer().getInfo().equals(info)))//13+max
            return (x);                                                         //1
        NodoBin<T> y=getPadre(x.getIzq(),info);                              //4
        if(y==null)                                                             //1+max
            return(getPadre(x.getDer(),info));                                //3
        else
            return(y);                                                          //1
    }
T=1+max(1,0)+13+max(1,0)+4+1+max(3,1)
T= 1+1+13+1+5+3 = 24

T=24

O(1)