제출 #744194

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
744194		rahidilbayramli	Easter Eggs (info1cup17_eastereggs)	C++17	컴파일 에러	0 ms	0 KiB

eastereggs

#include "grader.h"
#include<bits/stdc++.h>
#define ll long long
#define ld long double
#define vl vector<ll>
#define vi vector<int>
#define pb push_back
#define f first
#define s second
#define pii pair<int, int>
#define pll pair<ll, ll>
using namespace std;
vector<int>graph[513], ord;
void dfs(int node = 1, int par = 0)
{
    ord.pb(node);
    for(int i : graph[node])
    {
        if(i != par)
            dfs(i, node);
    }
}
int findEgg(int N, vector<pair<int, int>> bridges)
{
    for(i = 1; i <= N; i++)    graph[i].clear();
    ord.clear();
    for(pii x : bridges){
        graph[i.f].pb(i.s);
        graph[i.s].pb(i.f);
    }
    dfs();
    int l = 0, r = N - 1;
    while(l != r)
    {
        int mid = (l + r + 1) / 2;
        if(query(vi(ord.begin(), ord.begin() + mid)))    r = mid - 1;
        else    l = mid;
    }
    return ord[l];
}

컴파일 시 표준 에러 (stderr) 메시지

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:25:9: error: 'i' was not declared in this scope
   25 |     for(i = 1; i <= N; i++)    graph[i].clear();
      |         ^
eastereggs.cpp:28:15: error: 'i' was not declared in this scope
   28 |         graph[i.f].pb(i.s);
      |               ^