Submission #385734

#	Time	Username	Problem	Language	Result	Execution time	Memory
385734		Iwanttobreakfree	Easter Eggs (info1cup17_eastereggs)	C++17	6 / 100	2 ms	516 KiB

eastereggs

#include <bits/stdc++.h>
#include "grader.h"
using namespace std;
vector<int> c;
/*void conexa(vector<vector<int> >& cone,int raiz,int cont,vector<bool>& visto){
    c.push_back(raiz);
    visto[raiz]=true;
    for(int x: cone[raiz]){
        if(c.size()==cont){
            return;
        }
        if(!visto[x]){
            conexa(cone,x,cont,visto);
        }
    }
}*/
int findEgg (int N, vector < pair < int, int > > bridges){
    //vector<vector<int> > cone(513,vector<int>());
    for(int i=0;i<N-1;i++){
        //cone[bridges[i].first].push_back(bridges[i].second);
        //cone[bridges[i].second].push_back(bridges[i].first);
        vector<int> p(2);
        p[0]=bridges[i].first;
        p[1]=bridges[i].second;
        if(query(p)){
        	vector<int> v(1);
        	v[0]=bridges[i].first;
        	if(query(v))return bridges[i].first;
        	else return bridges[i].second;
		}
    }
    /*int raiz,sol=0;
    vector<int> lista(N);
    vector<bool> visto(513,false);
    conexa(cone,bridges[0].first,N,visto);
    lista=c;
    vector<bool> posi(513,true);
    int cont=N/2;
    while(cont>0){
        c.clear();
        for(int i=0;i<N;i++){
            if(posi[lista[i]]){
                raiz=lista[i];
                break;
            }
        }
        vector<bool> visto(513,false);
        conexa(cone,raiz,cont,visto);
        if(query(c)){
            set<int> s;
            for(int i=0;i<c.size();i++)s.insert(c[i]);
            for(int i=0;i<N;i++){
                if(s.find(lista[i])==s.end())posi[lista[i]]=false;
            }
            sol=c[0];
            cone[c[0]].clear();
            posi[c[0]]=false;
            cont/=2;
        }
        else {
            for(int i=0;i<c.size();i++)posi[c[i]]=false;
        }
    }
    return sol;*/
}

Compilation message (stderr)

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:65:1: warning: control reaches end of non-void function [-Wreturn-type]
   65 | }
      | ^

• Subtask 1: 6 / 40
• Subtask 2: 0 / 40
• Subtask 3: 0 / 20