답안 #439478

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
439478	2021-06-30T05:49:25 Z	Yazan_Alattar	Easter Eggs (info1cup17_eastereggs)	C++14	컴파일 오류	0 ms	0 KB

eastereggs

#include <iostream>
#include <fstream>
#include <cstring>
#include <cmath>
#include <queue>
#include <map>
#include <set>
#include <vector>
#include <algorithm>

using namespace std;

#define endl "\n"
#define F first
#define S second
#define pb push_back
typedef long long ll;
const int M = 530;
const int mod = 1e9+7;

vector <int> adj[M], path;

void dfs(int node, int p)
{
    path.pb(node);
    for(auto i : adj[node]){
        if(i == p) continue;
        dfs(i, node);
    }
    return;
}

int findEgg(int n, vector < pair <int,int> > bridges)
{
    for(auto i : bridges){
        adj[i.F].pb(i.S);
        adj[i.S].pb(i.F);
    }
    dfs(1, 0);

    int l = 0, r = n;
    while(l < r){
        int mid = (l + r) / 2;
        vector <int> v;
        for(int i = 0; i < mid; ++i) v.pb(path[i]);
        if(query(v)) r = mid;
        else l = mid + 1;
    }
    return l;
}

Compilation message

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:46:12: error: 'query' was not declared in this scope
   46 |         if(query(v)) r = mid;
      |            ^~~~~