제출 #483643

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
483643		alexdumitru	Easter Eggs (info1cup17_eastereggs)	C++14	컴파일 에러	0 ms	0 KiB

eastereggs

#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
vector<int> g[550];
int p[550];
bool query(vector < int > v);
void dfs(int nod=1, int t=0)
{
    int n=0;
    p[++n]=nod;
    for(auto i:g[nod])if(i!=t)dfs(i,nod);
}
bool qq(int poz)
{
    vector<int> qqq;
    for(int i=1;i<=poz;i++)qqq.push_back(p[i]);
    return query(qqq);
}
int findEgg(int N, vector<pair<int,int> > bridges)
{
    int st=1,dr=N-1,m,poz=N;
    for(auto i:bridges)
    {
        g[i.first].push_back(i.second);
        g[i.second].push_back(i.first);
    }
    dfs();
    while(st<=dr)
    {
        m=st+(dr-st)/2;
        if(qq(m))
        {
            poz=m;
            dr=m-1;
        }
        else st=m+1;
    }
    return p[poz];
}

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp:6:6: error: ambiguating new declaration of 'bool query(std::vector<int>)'
    6 | bool query(vector < int > v);
      |      ^~~~~
In file included from eastereggs.cpp:2:
grader.h:6:5: note: old declaration 'int query(std::vector<int>)'
    6 | int query(vector < int > islands);
      |     ^~~~~