#include "worldmap.h"
#include <bits/stdc++.h>
using namespace std;
vector<vector<int>> adj(41);
vector<int> vc;
void dfs(int u, int v) {
for(int w : adj[v]) {
if(w != u) {
vc.push_back(v);
dfs(v,w);
}
}
if(v != 1)
vc.push_back(v);
}
vector<vector<int>> create_map(int N, int M, vector<int> A, vector<int> B) {
for(int i = 0; i < 41; i++) adj[i].clear();
vc.clear();
if(M == 0) {
vector<vector<int> > v(1, vector<int>(1,1));
return v;
}
for(int i = 0; i < M; i++) {
adj[A[i]].push_back(B[i]);
adj[B[i]].push_back(A[i]);
}
dfs(0, 1);
vector<vector<int> > ans(vc.size(), vector<int>(vc.size(), 1));
for(int i = 0; i < vc.size(); i++) {
for(int j = 0; j < vc.size(); j++) {
ans[i][j]=vc[j];
}
}
return ans;
}
