#include <bits/stdc++.h> #include "grader.h" using namespace std; vector<int> o; void dfs(int u, int p) { o.push_back(u); for(int neighbour : adj[u]) { if(neighbour != p) { dfs(neighbour, u); } } } int findEgg (int N, vector <pair<int,int>> bridges) { vector<int> adj[N]; for(auto &it : bridges) { adj[it.first].push_back(it.second); adj[it.second].push_back(it.first); } dfs(1, -1); int l = 0, r = n - 1; while(l < r) { int mid = (l + r) / 2; vector<int> q; for(int i=0;i<=mid;++i) { q.push_back(o[i]); } if(query(q)) { r = mid; } else { l = mid + 1; } } return r; }

eastereggs.cpp: In function 'void dfs(int, int)':
eastereggs.cpp:8:25: error: 'adj' was not declared in this scope
    8 |     for(int neighbour : adj[u]) {
      |                         ^~~
eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:22:20: error: 'n' was not declared in this scope
   22 |     int l = 0, r = n - 1;
      |                    ^