#include "bits/extc++.h"
using namespace std;
template <typename T>
void dbgh(const T& t) {
cerr << t << endl;
}
template <typename T, typename... U>
void dbgh(const T& t, const U&... u) {
cerr << t << " | ";
dbgh(u...);
}
#ifdef DEBUG
#define dbg(...) \
cerr << "L" << __LINE__ << " [" << #__VA_ARGS__ << "]: "; \
dbgh(__VA_ARGS__);
#else
#define dbg(...)
#define cerr \
if (false) \
cerr
#endif
#define endl "\n"
#define long int64_t
#define sz(x) int((x).size())
void answer(vector<int> C, vector<int> X, vector<int> Y);
vector<pair<int, int>> ans;
pair<int, int> alloc() {
int o = sz(ans), oind = -o - 1;
ans.emplace_back(0, 0);
return {o, oind};
}
int construct(const vector<int>& arr) {
if (all_of(begin(arr), end(arr), [&](int x) -> bool {
return x == arr[0];
})) {
return arr[0];
}
auto [o, oind] = alloc();
int targ = 1 << (__lg(sz(arr) - 1)), cind = 0;
vector<int> l, r;
for (int i = 0; i < 2 * targ - sz(arr); i++) {
l.push_back(oind);
r.push_back(arr[cind++]);
}
while (cind < sz(arr)) {
l.push_back(arr[cind++]);
r.push_back(arr[cind++]);
}
ans[o] = {construct(l), construct(r)};
return oind;
}
void create_circuit(int m, vector<int> arr) {
int first = arr[0];
arr.erase(arr.begin());
arr.push_back(0);
vector<int> ans1(m + 1, construct(arr));
ans1[0] = first;
vector<int> ans2, ans3;
for (auto& [x, y] : ans) {
ans2.push_back(x);
ans3.push_back(y);
}
answer(ans1, ans2, ans3);
}
