답안 #1053965

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1053965	2024-08-12T00:01:15 Z	SulA	Easter Eggs (info1cup17_eastereggs)	C++17	컴파일 오류	0 ms	0 KB

eastereggs

#include <bits/stdc++.h>
using namespace std;
 
vector<int> adj[513], preorder;
 
void dfs(int u = 1, int p = 0) {
    preorder.push_back(u);
    for (int ch : adj[u]) if (ch != p) dfs(ch, u);
}
 
int findEgg (int n, vector<pair<int,int>> bridges) {
    for (auto pair : bridges) {
        int u = pair.first, v = pair.second;
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
 
    dfs();
    int l = 0, r = n-1;
    while (r > l) {
        int mid = (l+r)/2;
        vector<int> myquery;
        for (int i = 0; i <= mid; i++) myquery.push_back(preorder[i]);
        bool res = query(myquery) == 1;
//        cout << "MY QUERY IS ";
//        for (int u : myquery) cout << u << " ";
//        cout << '\n';
        if (res) r = mid;
        else l = mid+1;
    }
    return preorder[l];
}

Compilation message

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:24:20: error: 'query' was not declared in this scope; did you mean 'myquery'?
   24 |         bool res = query(myquery) == 1;
      |                    ^~~~~
      |                    myquery