Submission #1189828

#	Time	Username	Problem	Language	Result	Execution time	Memory
1189828		yoruonivamp	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> order;
vector<vector<int>> adj(550);

void dfs(int u, int prev){
    order.emplace_back(u);
    for(auto v: adj[u]){
        if(v!=prev) dfs(v,u);
    }
}

int findEgg(int N, vector<pair<int,int>> bridges){
    for(auto [u,v]: bridges){
        adj[u].emplace_back(v);
        adj[v].emplace_back(u);
    }dfs(1,-1);
    int l = 0, r = N-1;
    while(l<r){
        vector<int> tmp;
        int mid = (l+r)/2;
        for(int i = 0; i <= mid; i++) tmp.emplace_back(order[i]);
        if(query(tmp)) r=mid;
        else l=mid+1;
    }return order[l];
}

vector<pair<int,int>> b = {{1,2},{1,3},{2,4},{2,5}};
int n = 5;

int main(){
    cout << findEgg(n,b);
}

Compilation message (stderr)

/usr/bin/ld: /tmp/ccKDL2TE.o: in function `main':
grader.cpp:(.text.startup+0x0): multiple definition of `main'; /tmp/ccTkauUQ.o:eastereggs.cpp:(.text.startup+0x0): first defined here
collect2: error: ld returned 1 exit status