이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include <bits/stdc++.h>
#define all(v) v.begin(), v.end()
#define sz(x) (int)x.size()
#define pb push_back
#define pii pair<int, int>
#define chmin(x, v) x = min(x, v)
#define chmax(x, v) x = max(x, v)
#define x first
#define y second
#define int long long
using namespace std;
signed main(){
int nNoeuds, nAretes; cin >> nNoeuds >> nAretes;
vector<int> degres(nNoeuds);
for (int iArete = 0; iArete < nAretes; ++iArete){
int noeud, voisin; cin >> noeud >> voisin;
degres[noeud - 1]++;
degres[voisin - 1]++;
}
int reste = nNoeuds/3;
for (int noeud = 0; noeud < nNoeuds; ++noeud){
if (degres[noeud] >= nNoeuds/2 && reste > 0){
cout << noeud + 1 << " ";
reste--;
}
}
cout << endl;
return 0;
}
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