Submission #439482

#TimeUsernameProblemLanguageResultExecution timeMemory
439482Yazan_AlattarEaster Eggs (info1cup17_eastereggs)C++14
Compilation error
0 ms0 KiB
#include <iostream>
#include <fstream>
#include <cstring>
#include <cmath>
#include <queue>
#include <map>
#include <set>
#include <vector>
#include <algorithm>


#include "grader.h"

using namespace std;

#define endl "\n"
#define F first
#define S second
#define pb push_back
typedef long long ll;
const int M = 550;
const int mod = 1e9+7;

vector <int> adj[M], path;

void dfs(int node, int p)
{
    path.pb(node);
    for(auto i : adj[node]){
        if(i == p) continue;
        dfs(i, node);
    }
    return;
}

int findEgg (int N, vector < pair < int, int > > bridges)
{
    for(auto i : bridges){
        adj[i.F].pb(i.S);
        adj[i.S].pb(i.F);
    }
    dfs(1, 0);

    int l = 1, r = n;
    while(l < r){
        int mid = (l + r) / 2;
        vector <int> v;
        for(int i = 0; i < mid; ++i) v.pb(path[i]);
        if(query(v)) r = mid;
        else l = mid + 1;
    }
    return l;
}

Compilation message (stderr)

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:44:20: error: 'n' was not declared in this scope
   44 |     int l = 1, r = n;
      |                    ^