#include "doll.h"
#include "bits/stdc++.h"
using namespace std;
void create_circuit(int m, vector<int> a){
int n = a.size();
map<int, int> _Facil_simo_verdad_;
bool F_cil = 1;
for(int i = 0; i < n and F_cil; i++){
_Facil_simo_verdad_[a[i]]++;
if(_Facil_simo_verdad_[a[i]] > 2) F_cil = 0;
}
if(F_cil){
vector< vector<int> > Grafo(m + 1);
vector<int> c(m + 1);
for(int i = 1; i < n; i++){
Grafo[a[i - 1]].push_back(a[i]);
}
Grafo[a.back()].push_back(0);
c[0] = a[0];
vector<int> x, y;
int Interruptor = -1;
for(int i = 1; i < m + 1; i++){
if(Grafo[i].empty()) c[i] = 0;
if(Grafo[i].size() == 1){
x.push_back(Interruptor);
y.push_back(Grafo[i][0]);
c[i] = Interruptor;
Interruptor--;
}
if(Grafo[i].size() == 2){
x.push_back(Grafo[i][0]);
y.push_back(Grafo[i][1]);
c[i] = Interruptor;
Interruptor--;
}
}
answer(c, x, y);
return;
}
vector<int> c(m + 1);
c[0] = a[0];
if(a.size() == 1){
for(int i = 1; i < m + 1; i++) c[i] = 0;
answer(c, vector<int>(0, 0), vector<int>(0, 0));
return;
}
a.erase(a.begin());
vector<int> Posiciones = {0, 1};
for(int i = 1; i < m + 1; i++) c[i] = -1;
int Necesitamos = 1, A_adir = 2, Capas = 1;
while(Posiciones.size() < n){
vector<int> Nuevo;
for(int i = 0; i < Posiciones.size(); i++){
Nuevo.push_back(Posiciones[i]);
Nuevo.push_back(Posiciones[i] + Posiciones.size());
}
Posiciones = Nuevo;
Necesitamos += A_adir;
A_adir *= 2;
Capas++;
}
vector<int> x(Necesitamos), y(Necesitamos);
for(int i = 0; i < Necesitamos - A_adir / 2; i++){
x[i] = (i + 1) * -2;
y[i] = (i + 1) * -2 - 1;
}
int Estamos_aqu_ = 0;
n--;
for(int i = Necesitamos - A_adir / 2; i < Necesitamos; i++){
if(Posiciones[Estamos_aqu_] < n) x[i] = a[Posiciones[Estamos_aqu_]];
else x[i] = -1;
Estamos_aqu_++;
if(Posiciones[Estamos_aqu_] < n) y[i] = a[Posiciones[Estamos_aqu_]];
else y[i] = -1;
Estamos_aqu_++;
}
y.back() = 0;
answer(c, x, y);
}
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