제출 #538823

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
538823		Spade1	Easter Eggs (info1cup17_eastereggs)	C++14	컴파일 에러	0 ms	0 KiB

eastereggs

#include <bits/stdc++.h>
#include "grader.h"
#define pii pair<int, int>
#define ll long long
#define ld long double
#define st first
#define nd second
#define pb push_back
#define INF INT_MAX
using namespace std;

vector<int> adj[600];
vector<int> ord;

void dfs(int i, int prt) {
    ord.pb(i);
    for (auto j : adj[i]) if (j != prt) dfs(j, i);
}

bool query(vector<int> v) {
    return 0;
}

int findEgg(int N, vector<pii> bridges) {
    for (int i = 1; i < N; ++i) {
        int u = bridges[i].st;
        int v = bridges[i].nd;
        adj[u].pb(v);
        adj[v].pb(u);
    }

    dfs(1, 0);
    int l = 1, r = N;
    while (l < r) {
        int mid = (l+r)/2;
        vector<int> check;
        for (int i = 1; i <= mid; ++i) check.pb(ord[i]);
        bool q = query(check);
        if (q) r = mid;
        else l = mid + 1;
    }
    return l;
}

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp:20:6: error: ambiguating new declaration of 'bool query(std::vector<int>)'
   20 | 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);
      |     ^~~~~