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답안 #603764

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
603764 2022-07-24T11:10:22 Z Theo830 Newspapers (CEOI21_newspapers) C++17
4 / 100
 2 ms 328 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
const ll INF = 1e9+7;
const ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ll,ii>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Training
int main(void){
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    ll n,m;
    cin>>n>>m;
    ll maxi = 2;
    ll deg[n+1] = {0};
    f(i,0,m){
        ll a,b;
        cin>>a>>b;
        deg[a]++;
        deg[b]++;
        maxi = max(maxi,deg[a]);
        maxi = max(maxi,deg[b]);
    }
    if(m == n-1 && maxi == 2){
        cout<<"YES\n";
        cout<<"1\n1\n";
    }
    else{
        cout<<"NO\n";
    }
}

Subtask #1
0.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Partially correct 1 ms 320 KB Failed to provide a successful strategy.
3 Partially correct 1 ms 320 KB Failed to provide a successful strategy.
4 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
5 Incorrect 1 ms 320 KB Output isn't correct
6 Halted 0 ms 0 KB -

Subtask #2
4.0 / 8.0

# 결과 실행 시간 메모리 Grader output
1 Correct 0 ms 212 KB Output is correct
2 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
3 Partially correct 1 ms 320 KB Failed to provide a successful strategy.
4 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
5 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
6 Partially correct 1 ms 316 KB Failed to provide a successful strategy.
7 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
8 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
9 Partially correct 1 ms 320 KB Failed to provide a successful strategy.
10 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
11 Partially correct 2 ms 324 KB Failed to provide a successful strategy.
12 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
13 Partially correct 1 ms 328 KB Failed to provide a successful strategy.
14 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
15 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
16 Partially correct 2 ms 212 KB Failed to provide a successful strategy.
17 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
18 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
19 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
20 Partially correct 1 ms 324 KB Failed to provide a successful strategy.

Subtask #3
0.0 / 80.0

# 결과 실행 시간 메모리 Grader output
1 Correct 1 ms 212 KB Output is correct
2 Partially correct 1 ms 320 KB Failed to provide a successful strategy.
3 Partially correct 1 ms 320 KB Failed to provide a successful strategy.
4 Partially correct 1 ms 212 KB Failed to provide a successful strategy.
5 Incorrect 1 ms 320 KB Output isn't correct
6 Halted 0 ms 0 KB -