제출 #874288

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
874288		asli_bg	Easter Eggs (info1cup17_eastereggs)	C++11	컴파일 에러	0 ms	0 KiB

eastereggs

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

vector<int> ord;
vector<int> adjlist[550];

void dfs(int i=1, int r=0){
    ord.push_back(i);
    for(auto komsu:adjlist[i]){
        if(komsu!=r){
            dfs(komsu,i);
        }
    }
}

int findEgg (int N, vector < pair < int, int > > bridges)
{

    for(int i=1;i<=N;i++){
        adjlist[i].clear();
    }

    ord.clear();

    for(auto el:bridges){
        int a=bridges.first;
        int b=bridges.second;
        adjlist[a].push_back(b);
        adjlist[b].push_back(a);
    }

    dfs();

    int l=0;
    int r=N-1;

    while(l<(r-1)){
        int mid=l+(r-l)/2;
        if(query(vector<int>(ord.begin(),ord.begin()+mid))) r=mid;
        else l=mid; 
    }

    return ord[r];
}

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:27:23: error: 'class std::vector<std::pair<int, int> >' has no member named 'first'
   27 |         int a=bridges.first;
      |                       ^~~~~
eastereggs.cpp:28:23: error: 'class std::vector<std::pair<int, int> >' has no member named 'second'
   28 |         int b=bridges.second;
      |                       ^~~~~~