Submission #1053138

#	Time	Username	Problem	Language	Result	Execution time	Memory
1053138		kunzaZa183	Newspapers (CEOI21_newspapers)	C++17	4 / 100	1 ms	600 KiB

newspapers

#include <bits/stdc++.h>
using namespace std;
int main() {
  cin.tie(0)->sync_with_stdio(0);
  cin.exceptions(cin.failbit);
  int n, m;
  cin >> n >> m;
  const int maxn = 1000;
  vector<int> adjlist[maxn];
  for (int i = 0; i < m; i++) {
    int a, b;
    cin >> a >> b;
    a--, b--;
    adjlist[a].push_back(b), adjlist[b].push_back(a);
  }
  if (m == n - 1)
    cout << "YES\n1\n1\n";
  else
    cout << "NO\n";
  return 0;
  if (n == 1) {
    cout << "YES\n1\n1\n";
  } else if (n == 2) {
    cout << "YES\n2\n1 1\n";
  } else if (n == 3) {
    cout << "YES\n2\n2 2\n";
  } else {
    cout << "NO\n";
  }
}

• Subtask 1: 0 / 12
• Subtask 2: 4 / 8
• Subtask 3: 0 / 80