func f(m[]int)([]int,[]int,[]int){
l:=make([]int,len(m))
for i:=range l{l[i]=2}
v:=1>1
for!v{
v=1>0
p:=make([]int,len(m))
for i:=1;i<len(m);i++{p[i]=p[i-1]+l[i-1]}
for i,u:=range m{
if int(math.Pow(2,float64(l[i])))<=(p[u]-p[i])*(p[u]-p[i]){
l[i]+=2
v=1>1
break}}}
p:=make([]int,len(m))
for i:=1;i<len(m);i++{p[i]=p[i-1]+l[i-1]}
o:=make([]int,len(m))
for i,u:=range m{o[i]=p[u]-p[i]}
return p,l,o}