Submission #1141423

#	Time	Username	Problem	Language	Result	Execution time	Memory
1141423		UNOwen07	Easter Eggs (info1cup17_eastereggs)	C++20	Compilation error	0 ms	0 KiB

eastereggs

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

int vis[515];
vector<int> v[515], et;

void dfs(int nod){
    vis[nod] = 1;
    et.push_back(nod);
    for (int i = 0; i < v[nod].size(); i++){
        int sig = v[nod][i];
        if (vis[sig] == 0){
            dfs(sig);
        }
    }
}

int findEgg(int N, vector<pair<int,int>> bridges){
    for (int i = 0; i < bridges.size(); i++){
        v[bridges[i].first].push_back(bridges[i].second);
        v[bridges[i].second].push_back(bridges[i].first);
    }
    dfs(1);
    int l = 0, r = N-1;
    while(l != r){
        int m = (l+r+1)/2;
        if (query(vector<int>(et.begin(), et.begin()+m)) == 1){
            r = m-1;
        } else {
            l = m;
        }
    }
    return l;
}

Compilation message (stderr)

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:27:13: error: 'query' was not declared in this scope
   27 |         if (query(vector<int>(et.begin(), et.begin()+m)) == 1){
      |             ^~~~~