#include "worldmap.h" #include <bits/stdc++.h> #define pb push_back using namespace std; vector<int> v[102]; int j = 0; vector<std::vector<int>> ans(50, vector<int> (50, 1)); void dfs(int x, int last){ ans[0][j] = x; for (auto h : v[x]){ if (last != h){ j++; dfs(h, x); } } ans[0][j] = x; j++; } std::vector<std::vector<int>> create_map(int N, int M, std::vector<int> a, std::vector<int> b) { for (int k = 0; k < M; k++){ v[a[k]].pb(b[k]); v[b[k]].pb(a[k]); } dfs(1, 0); for (int k = 1; k < 50; k++){ for (int j = 0; j < 50; j++){ ans[k][j] = ans[0][j]; } } return ans; }