#include <bits/stdc++.h>
#include "doll.h"
//#include "grader.cpp"
using namespace std;
const int maxn = (int)1e5 + 7;
int sz;
void solve4(int M, vector<int> A) {
int N = A.size();
vector<int> C(M + 1);
vector<int> X, Y;
C[0] = A[0];
int tmp = N - 1;
while (tmp > 0) {
sz++;
tmp >>= 1;
}
if (sz) C[1] = -1;
else C[1] = 0;
X.resize(sz);
Y.resize(sz);
tmp = N - 1;
for (int i = 1; i <= sz; i++) {
if ((tmp >> (sz - i)) & 1) {
X[i - 1] = A[0];
} else {
X[i - 1] = -1;
}
Y[i - 1] = ((i == sz) ? 0 : -(i + 1));
}
answer(C, X, Y);
}
int cnt[maxn];
void solve12(int M, vector<int> A) {
int N = A.size();
vector<int> C(M + 1);
vector<int> X, Y;
C[0] = A[0];
for (int i = 0; i < N; i++) {
cnt[A[i]]++;
int to = ((i + 1 == N) ? 0 : A[i + 1]);
if (cnt[A[i]] == 1) {
C[A[i]] = -((int)X.size() + 1);
X.push_back(C[A[i]]);
Y.push_back(to);
} else {
X[-C[A[i]] - 1] = Y[-C[A[i]] - 1];
Y[-C[A[i]] - 1] = to;
}
}
answer(C, X, Y);
}
void create_circuit(int M, vector<int> A) {
if (M == 1) {
solve4(M, A);
} else {
solve12(M, A);
}
}
