Submission #993487

#	Time	Username	Problem	Language	Result	Execution time	Memory
993487		yoav_s	Newspapers (CEOI21_newspapers)	C++17	0 / 100	1 ms	600 KiB

newspapers

#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef vector<ll> v;
typedef vector<v> vv;
typedef vector<vv> vvv;
typedef pair<ll,ll> p;
typedef vector<p> vp;
typedef vector<vp> vvp;
typedef vector<vvp> vvvp;
typedef pair<ll, p> tri;
typedef vector<tri> vtri;
typedef vector<vtri> vvtri;
typedef vector<vvtri> vvvtri;
typedef vector<bool> vb;
typedef vector<vb> vvb;
typedef vector<vvb> vvvb;

#define f first
#define s second
#define pb push_back
#define eb emplace_back
#define all(v) (v).begin(),(v).end()

const ll INF = 1e18;
const ll mod = 1e9 + 7;

int main()
{
    ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL);
    ll N, M;
    cin >> N >> M;
    vv graph(N);
    for (ll i = 0; i < N; i++)
    {
        ll a, b;
        cin >> a >> b; a--; b--;
        graph[a].pb(b); graph[b].pb(a);
    }
    if (M == N - 1) cout << "YES\n1\n1\n";
    else cout << "NO\n";
    return 0;
}

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