Submission #519278

#	Time	Username	Problem	Language	Result	Execution time	Memory
519278		AmShZ	Newspapers (CEOI21_newspapers)	C++11	0 / 100	1 ms	332 KiB

newspapers

//khodaya khodet komak kon
# include <bits/stdc++.h>

using namespace std;

typedef long long                                        ll;
typedef long double                                      ld;
typedef pair <int, int>                                  pii;
typedef pair <pii, int>                                  ppi;
typedef pair <int, pii>                                  pip;
typedef pair <pii, pii>                                  ppp;
typedef pair <ll, ll>                                    pll;

# define A                                               first
# define B                                               second
# define endl                                            '\n'
# define sep                                             ' '
# define all(x)                                          x.begin(), x.end()
# define kill(x)                                         return cout << x << endl, 0
# define SZ(x)                                           int(x.size())
# define lc                                              id << 1
# define rc                                              id << 1 | 1
# define fast_io                                         ios::sync_with_stdio(0);cin.tie(0); cout.tie(0);

ll power(ll a, ll b, ll md) {return (!b ? 1 : (b & 1 ? a * power(a * a % md, b / 2, md) % md : power(a * a % md, b / 2, md) % md));}

const int xn = 1e3 + 10;
const int xm = - 20 + 10;
const int sq = 320;
const int inf = 1e9 + 10;
const ll INF = 1e18 + 10;
const ld eps = 1e-15;
const int mod = 998244353;
const int base = 257;

int n, m;
vector <int> adj[xn];

int main(){
	fast_io;

	cin >> n >> m;
	for (int i = 1; i <= m; ++ i){
		int v, u;
		cin >> v >> u;
		adj[v].push_back(u);
		adj[u].push_back(v);
	}
	if (n == 1){
		cout << "YES" << endl;
		cout << 1 << endl;
		cout << 1 << endl;
		return 0;
	}
	if (n == 2){
		cout << "YES" << endl;
		cout << 2 << endl;
		cout << 1 << sep << 1 << endl;
		return 0;
	}
	if (n == 3){
		cout << "YES" << endl;
		cout << 2 << endl;
		cout << 2 << sep << 2 << endl;
		return 0;
	}
	if (n == 4){
		cout << "YES" << endl;
		cout << 4 << endl;
		cout << "2 3 3 2" << endl;
		return 0;
	}
	kill("NO");

	return 0;
}

• Subtask 1: 0 / 12
• Subtask 2: 0 / 8
• Subtask 3: 0 / 80