Submission #521889

#	Time	Username	Problem	Language	Result	Execution time	Memory
521889		maks007	Easter Eggs (info1cup17_eastereggs)	C++14	0 / 100	1 ms	456 KiB

eastereggs

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

using namespace std;

vector <int> listt;
vector <int> used;
vector <vector <int> > g;

int f = 0;
int ans = 0;

void dfs(int v) {
	if(f) return;

	listt.push_back(v+1);
	if(query(listt)) {
		ans = listt.back();
		f = 1;
		return;
	}
	for(auto u : g[v]) {
		if(f) return;
		if(!used[u]) {
			dfs(u);
		}
	}
}

int findEgg (int N, vector < pair < int, int > > bridges)
{
	used.resize(N);
	g.resize(N);
	for(int i = 0; i < bridges.size(); i ++) {
		g[bridges[i].first - 1].push_back(bridges[i].second - 1);
		g[bridges[i].second - 1].push_back(bridges[i].first - 1);
	}
	ans = 0;
	f = 0;
	dfs(0);
	return ans;
}

Compilation message (stderr)

eastereggs.cpp: In function 'int findEgg(int, std::vector<std::pair<int, int> >)':
eastereggs.cpp:34:19: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<std::pair<int, int> >::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   34 |  for(int i = 0; i < bridges.size(); i ++) {
      |                 ~~^~~~~~~~~~~~~~~~

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