//#pragma once
//#include "grader.cpp"
#include "doll.h"
#include<bits/stdc++.h>
using namespace std;
int n,m,a[200005],x[1000005],y[1000005];
vector<int>c,X,Y;
void create(int l,int r,int h,int st,int level)
{
if(l+1==r)
{
x[h]=a[st+2];
st+=(1<<level);
if(st==n-1)y[h]=0;
else y[h]=a[st+2];
return;
}
int mid=(l+r)/2;
create(l,mid,h*2,st,level+1);
create(mid+1,r,h*2+1,st+(1<<level),level+1);
x[h]=-h*2;
y[h]=-(h*2+1);
}
void check(int l,int r,int h)
{
X.push_back(x[h]);
Y.push_back(y[h]);
//cout<<x[h]<<" "<<y[h]<<" "<<l<<" "<<r<<endl;
if(l+1==r)return;
int mid=(l+r)/2;
check(l,mid,h*2);
check(mid+1,r,h*2+1);
}
void create_circuit(int M, std::vector<int> A)
{
n=A.size();
m=M;
for(int i=1;i<=n;i++)
{
a[i]=A[i-1];
}
create(1,n,1,0,0);
c.push_back(a[1]);
for(int i=1;i<=m;i++)
{
c.push_back(-1);
}
check(1,n,1);
answer(c,X,Y);
}
