int Busbin(Vector V, int x) {
    pivote = V.Largo() / 2
    if (x < V[pivote])
        Busbin(V.SubVector(1,pivote), x)
    else if (x > V[pivote])
        Busbin(V.SubVector(pivote+1,V.Largo(), x)
    else
        return V[pivote]