제출 #1291886

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
1291886		cansu_mutlu	Easter Eggs (info1cup17_eastereggs)	C++20	컴파일 에러	0 ms	0 KiB

eastereggs

//#include<grader.h>
#include<bits/stdc++.h>
//#define int long long 
using namespace std;

vector<vector<int>> a(513);
vector<int> sira;
void dfs(int s,int anne)
{
    sira.push_back(s);
    for(int x:a[s]) 
    {
        if(x!=anne) dfs(x,s);
    }
}
int findEgg(int N, vector < pair < int, int > > bridges)
{
    int n = N;
    for(int i=0;i<513;i++) a[i].clear();
    sira.clear();
    for(auto i:bridges)
    {
        a[i.first].push_back(i.second);
        a[i.second].push_back(i.first);
    }
    dfs(1,0);
    int r = n-1;
   int  l = 0;
    while(l<=r)
    {
        int mid = l+r+1;
        mid/=2;
        int ans = query(vector<int>(sira.begin(),sira.begin()+mid));
        if(ans==1) r=mid-1;
        else l = mid+1;
    }
    return sira[l];
}

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:33:19: error: 'query' was not declared in this scope
   33 |         int ans = query(vector<int>(sira.begin(),sira.begin()+mid));
      |                   ^~~~~