Submission #1297911

#	Time	Username	Problem	Language	Result	Execution time	Memory
1297911		lunarecho	Easter Eggs (info1cup17_eastereggs)	C++20	Compilation error	0 ms	0 KiB

eastereggs

#include <bits/stdc++.h>
#include "grader.h"
using namespace std;

vector<int> o;
void dfs(int u, int p, vector<int> adj[]) {
    o.push_back(u);
    for(int neighbour : adj[u]) {
        if(neighbour != p) {
            dfs(neighbour, u, adj);
        }
    }
}

int findEgg (int N, vector <pair<int,int>> bridges) {
    for(auto &it : bridges) {
        adj[it.first].push_back(it.second);
        adj[it.second].push_back(it.first);
    }
    dfs(1, -1, adj);
    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;
}

Compilation message (stderr)

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:17:9: error: 'adj' was not declared in this scope
   17 |         adj[it.first].push_back(it.second);
      |         ^~~
eastereggs.cpp:20:16: error: 'adj' was not declared in this scope
   20 |     dfs(1, -1, adj);
      |                ^~~