#include "doll.h"
#include <vector>
#include <stdio.h>
using namespace std;
int con[1000005]={0};
int This[1000005]={0};
int m[1000005];
int n[1000005];
int start[1000005]={0};
vector < int > C,x,y;
int X[1000005]={0};
int Y[1000005]={0};
int now=1;
int t[1000005]={0};
int how[1000005]={0};
void build(int N,int here,int a,int b)
{
//printf("%d %d\n",N,here);
if(N==2)
{
X[-here]=a;
Y[-here]=b;
}
else if(N%2==0)
{
X[-here]=(-now);
now++;
Y[-here]=(-now);
now++;
build(N/2,X[-here],a,b);
build(N/2,Y[-here],0,0);
}
else
{
X[-here]=(-now);
now++;
Y[-here]=(-now);
now++;
build(N/2+1,X[-here],a,b);
build(N/2+1,Y[-here],here,0);
}
}
void New(int here,int what)
{
if(how[-here]%2==0)
{
how[-here]++;
if(X[-here]) New(X[-here],what);
else X[-here]=what;
}
else
{
how[-here]++;
if(Y[-here]) New(Y[-here],what);
else Y[-here]=what;
}
}
void create_circuit(int M, vector < int > A)
{
int N=A.size(),i,temp;
C.push_back(A[0]);
for(i=1;i<=M;i++) C.push_back(i);
for(i=0;i<N;i++) con[A[i]]++;
A.push_back(0);
if(N!=16)
{
for(i=0;i<N;i++)
{
if(con[A[i]]==1)
{
C[A[i]]=A[i+1];
}
else
{
if(!This[A[i]])
{
C[A[i]]=-now;
now++;
build(con[A[i]],C[A[i]],0,0);
}
New(C[A[i]],A[i+1]);
This[A[i]]++;
}
}
}
else
{
now++;
build(N,-1,0,0);
for(i=0;i<N;i++)
{
C[A[i]]=-1;
New(C[A[i]],A[i+1]);
}
}
//printf("a %d\n",now-1);
//for(auto i:C) printf("%d ",i);
//printf("\n");
//for(i=1;i<now;i++) printf("%d %d\n",X[i],Y[i]);
for(i=1;i<now;i++) x.push_back(X[i]);
for(i=1;i<now;i++) y.push_back(Y[i]);
answer(C,x,y);
}
