Submission #1493567


Source Code Expand

#include <iostream>
#include <deque>
#include <vector>
using namespace std;
int n,m;
bool used[100005];
vector<int> g[100005];
deque<int> dq;
int main(){
	ios::sync_with_stdio(false);
	cin.tie(0);
	cin>>n>>m;
	for(int i=0;i<m;i++){
		int u,v;
		cin>>u>>v;
		g[u].push_back(v);
		g[v].push_back(u);
	}
	dq.push_back(1);
	used[1]=true;
	while(true){
		int u=dq.front();
		for(int i=0;i<g[u].size();i++){
			int v=g[u][i];
			if(!used[v]){
				dq.push_front(v);
				used[v]=true;
				break;
			}
		}
		if(u!=dq.front())continue;
		u=dq.back();
		for(int i=0;i<g[u].size();i++){
			int v=g[u][i];
			if(!used[v]){
				dq.push_back(v);
				used[v]=true;
				break;
			}
		}
		if(u!=dq.back())continue;
		break;
	}
	cout<<dq.size()<<endl;
	while(!dq.empty()){
		cout<<dq.front()<<' ';
		dq.pop_front();
	}
	return 0;
}

Submission Info

Submission Time
Task B - Hamiltonish Path
User fts2001
Language C++14 (GCC 5.4.1)
Score 500
Code Size 861 Byte
Status AC
Exec Time 47 ms
Memory 6784 KB

Judge Result

Set Name Sample All
Score / Max Score 0 / 0 500 / 500
Status
AC × 3
AC × 19
Set Name Test Cases
Sample sample_01.txt, sample_02.txt, sample_03.txt
All sample_01.txt, sample_02.txt, sample_03.txt, sample_01.txt, sample_02.txt, sample_03.txt, subtask_1_01.txt, subtask_1_02.txt, subtask_1_03.txt, subtask_1_04.txt, subtask_1_05.txt, subtask_1_06.txt, subtask_1_07.txt, subtask_1_08.txt, subtask_1_09.txt, subtask_1_10.txt, subtask_1_11.txt, subtask_1_12.txt, subtask_1_13.txt
Case Name Status Exec Time Memory
sample_01.txt AC 2 ms 2560 KB
sample_02.txt AC 2 ms 2560 KB
sample_03.txt AC 2 ms 2560 KB
subtask_1_01.txt AC 30 ms 4864 KB
subtask_1_02.txt AC 9 ms 3072 KB
subtask_1_03.txt AC 26 ms 4864 KB
subtask_1_04.txt AC 31 ms 4736 KB
subtask_1_05.txt AC 32 ms 4736 KB
subtask_1_06.txt AC 31 ms 4736 KB
subtask_1_07.txt AC 36 ms 5888 KB
subtask_1_08.txt AC 34 ms 5760 KB
subtask_1_09.txt AC 47 ms 6784 KB
subtask_1_10.txt AC 9 ms 3328 KB
subtask_1_11.txt AC 11 ms 3328 KB
subtask_1_12.txt AC 2 ms 2560 KB
subtask_1_13.txt AC 2 ms 2560 KB