#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; }