Submission #1291874

#	Time	Username	Problem	Language	Result	Execution time	Memory
1291874		cansu_mutlu	Easter Eggs (info1cup17_eastereggs)	C++20	Compilation error	0 ms	0 KiB

eastereggs

#include<bits/stdc++.h>
#define int long long 
using namespace std;
//#include<grader.h>
vector<vector<int>> a(513);
vector<int> sira;
void dfs(int s,int anne)
{
    sira.push_back(s);
    for(int x:a[s]) 
    {
        if(x!=anne) dfs(x,s);
    }
}
int findEgg(int n, vector < pair < int, int > > b)
{
    for(auto i:b)
    {
        a[i.first].push_back(i.second);
        a[i.second].push_back(i.first);
    }
    dfs(1,0);
    int r = n-1;
   int  l = 0;
    while(l<=r)
    {
        int mid = l+r+1;
        mid/=2;
        int ans = query(vector<int>(sira.begin(),sira.begin()+mid));
        if(ans==1) r=mid-1;
        else l = mid+1;
    }
    return sira[l];
}

Compilation message (stderr)

eastereggs.cpp: In function 'long long int findEgg(long long int, std::vector<std::pair<long long int, long long int> >)':
eastereggs.cpp:29:19: error: 'query' was not declared in this scope
   29 |         int ans = query(vector<int>(sira.begin(),sira.begin()+mid));
      |                   ^~~~~