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답안 #734742

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
734742 2023-05-03T03:27:56 Z enkhochir Easter Eggs (info1cup17_eastereggs) C++14
컴파일 오류
 0 ms 0 KB 
//#include "grader.h"
#include <bits/stdc++.h>
using namespace std;

vector<int> graph[513], ord;

void dfs(int node = 1, int parent = 0) {
	ord.push_back(node);
	for (int i : graph[node])
		if (i != parent) dfs(i, node);
}

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

Compilation message

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:24:7: error: 'query' was not declared in this scope
   24 |   if (query(vector<int>(ord.begin(), ord.begin() + mid))) r = mid - 1;
      |       ^~~~~