제출 #1348284

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1348284		ken	Easter Eggs (info1cup17_eastereggs)	C++20	컴파일 에러	0 ms	0 KiB

eastereggs

#include <bits/stdc++.h>
using namespace std;
vector <int> edge[10040];
int tour[10040];
int rev[10040];
vector <int> ans;
//int query(vector < int > islands);
int cnt = 1;
void dfs(int id,int pa = -1){
    rev[cnt] = id;
    tour[id] = cnt++;
    //cout << id << "\n";
    for (auto ii : edge[id]){
        if(ii == pa)continue;
        dfs(ii,id);
    }
}
bool ask(int til){
    vector <int> smth;
    for (int i=1; i<=til; i++){
        smth.push_back(rev[i]);
    }
    return query(smth);
}
int findEgg(int N, vector<pair<int, int>> bridges){
    for (auto [ft,sd] : bridges){
        edge[ft].push_back(sd);
        edge[sd].push_back(ft);
    }
    //ans.push_back(1);
    dfs(1);
    /*
    for (int i=1; i<=N; i++){
        cout << tour[i] << " " ;
    }cout << "\n";
    */
    for (int i=1; i<=N; i++){
        cout << rev[i] << " " ;
    }
    int l=1,r=N;
    while(l<r){
        int mid = (l+r)/2;
        if(ask(mid)){
            r = mid;
        }else{
            l = mid+1;
        }
    }
    return l;
}
/*
int main(){
    int n,m;
    cin >> n >> m;
    vector <pair<int,int>> brid;
    for (int i=1; i<=m; i++){
        int ai,bi;
        cin >> ai >> bi;
        brid.push_back({ai,bi});
    }
    findEgg(n, brid);
}
*/

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp: In function 'bool ask(int)':
eastereggs.cpp:23:12: error: 'query' was not declared in this scope
   23 |     return query(smth);
      |            ^~~~~