제출 #1336980

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1336980		michael12	Easter Eggs (info1cup17_eastereggs)	C++20	컴파일 에러	0 ms	0 KiB

eastereggs

#include "grader.h"
#include<bits/stdc++.h>
#define endl '\n'
#define ff first
#define ss second
#define int long long
using namespace std;
const int maxn = 5e5 + 5;
vector<int> s;
vector<int> adj[maxn];
vector<int> all;
void dfs(int u, int p){
    all.push_back(u);
    for(auto v : adj[u]){
        if(v == p) continue;
        dfs(v, u);
    }
}
int findEgg(int N, vector<pair<int, int>> bridges){
    all.clear();
    for(int i = 0; i < bridges.size(); i++){
        adj[bridges[i].ff].push_back(bridges[i].ss);
        adj[bridges[i].ss].push_back(bridges[i].ff);
    }
    dfs(1, - 1);
    vector<int32_t> st;
    int L = 0, R = N;
    while(L + 1 < R){
        int mid = (L + R) / 2;
        if(query({all.begin(), all.end() + mid})){
            R = mid;
        }
        else{
            L = mid;
        }
    }
    return all[L];
}

컴파일 시 표준 에러 (stderr) 메시지

/usr/bin/ld: /tmp/ccAtea3q.o: in function `main':
grader.cpp:(.text.startup+0x2aa): undefined reference to `findEgg(int, std::vector<std::pair<int, int>, std::allocator<std::pair<int, int> > >)'
collect2: error: ld returned 1 exit status