제출 #1146001

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1146001		sonya	Easter Eggs (info1cup17_eastereggs)	C++20	컴파일 에러	0 ms	0 KiB

eastereggs

#include <iostream>
#include <vector>
#include <queue>
#include <grader.h>
using namespace std;

vector<int> t;
int used[513];
int mid;
vector<int> v[513];

int check_(int x){
    vector<int> p;
    for(int i = 0; i <= x; i++){
        p.push_back(t[i]);
    }

    return query(p);
}

void dfs(int beg){
    used[beg] = 1;
    t.push_back(beg);
    for(int i = 0; i < v[beg].size(); i++){
        int nb = v[beg][i];
        if(!used[nb]){
            dfs(nb);
        }
    }
}

void read(vector < pair < int, int > > bridges){
    for(int i = 0; i < bridges.size(); i++){
        v[bridges[i].first].push_back(bridges[i].second);
        v[bridges[i].second].push_back(bridges[i].first);
    }
}

int findEgg(int N, vector < pair < int, int > > bridges){
    t.clear();
    memset(used, 0, sizeof(used));
    for(int i = 1; i <= 513; i++){
        v[i].clear();
    }
    read(bridges);
    dfs(1);
    int l = 0;
    int r = t.size()-1;
    while(l < r){
        mid = (l+r)/2;
        if(check_(mid) == 1){
            r = mid;
        } else {
            l = mid+1;
        }
    }

    return t[l];
}

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp:4:10: fatal error: grader.h: No such file or directory
    4 | #include <grader.h>
      |          ^~~~~~~~~~
compilation terminated.