//#pragma once
//#include "grader.cpp"
#include "doll.h"
#include<bits/stdc++.h>
using namespace std;
int n,m,a[200005],x[1000005],y[1000005],step,on;
vector<int>c,X,Y;
void create(int l,int r,int h,int st,int level)
{
if(l+1>=r)
{
if(st>on-2)x[h]=-1;
else x[h]=a[st+2];
st+=(1<<level);
if(st==n-1)y[h]=0;
else if(st>on-2)y[h]=-1;
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)
{
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();
on=n;
m=M;
for(int i=1; i<=n; i++)
{
a[i]=A[i-1];
}
if(n==1)
{
c.push_back(a[1]);
for(int i=1; i<=m; i++)
{
c.push_back(0);
}
answer(c,X,Y);
return;
}
while((1<<step)<n)step++;
n=(1<<step);
//cout<<n<<endl;
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);
for(int i=1;i<=n*4;i++)
{
if(x[i])
{
X.push_back(x[i]);
Y.push_back(y[i]);
}
}
answer(c,X,Y);
}
