Submission #1347809

#	Time	Username	Problem	Language	Result	Execution time	Memory
1347809		miyazaki1072	Easter Eggs (info1cup17_eastereggs)	C++20	Compilation error	0 ms	0 KiB

eastereggs

#include <bits/stdc++.h>
#include "grader.h"

using namespace std;


vector<int>adj[10000];
int node[10000],a[10000],tour=1;
void dfs(int u,int p){
    node[u] = tour++;
    a[node[u]] = u;
    for(auto &v:adj[u]){
        if(v==p)continue;
        dfs(v,u);
    }
} 
vector<int>calc(int r){
    vector<int>ret;
    for(int i=1;i<=r;i++)ret.push_back({a[i]});
    return ret;
}
int findEgg (int N, vector < pair < int, int > > bridges){
    n = N;
    for(auto [u,v]:bridges){
        adj[u].push_back(v);
        adj[v].push_back(u);
    }
    int l=1,r=n;
    while(l<r){
        int mid = (l+r)/2;
        vector<int> vecask = calc(mid);
        if(query(vecask))r=mid;
        else l = mid+1;
    }
    return node[l];
}

Compilation message (stderr)

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:23:5: error: 'n' was not declared in this scope
   23 |     n = N;
      |     ^