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Submission #678256

# Submission time Handle Problem Language Result Execution time Memory
678256 2023-01-05T11:03:46 Z gesgha Newspapers (CEOI21_newspapers) C++17
0 / 100
 1 ms 368 KB 
#include <bits/stdc++.h>
#define fr(i, a, b) for (int i = a; i <= b; i++)
#define rf(i, a, b) for (int i = a; i >= b; i--)
#define fe(x, y) for(auto& x : y)

#define fi first
#define se second
#define pb push_back

#define all(x) x.begin(), x.end()
#define pw(x) (1LL << (x))
#define sz(x) (int)x.size()

using namespace std;

template <typename T>
using ve = vector <T>;

template <typename T>
bool umx(T& a, T b) {return a < b ? a = b, 1 : 0;}

template <typename T>
bool umn(T& a, T b) {return a > b ? a = b, 1 : 0;}


using ll = long long;
using pii = pair <int, int>;
using pll = pair <ll, ll>;


const int oo = 2e9;
const ll OO = 1e18;
const int N = 2e3 + 10;
int n, m;
ve <int> G[N];


int main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif // LOCAL
    cin.tie(0);
    ios_base::sync_with_stdio(0);
    cin >> n >> m;
    fr(i, 0, m - 1) {
        int u, v; cin >> u >> v; u--; v--;
        G[u].pb(v);
        G[v].pb(u);
    }
    if (n <= 2) cout << "YES\n2\n1 1\n";
    else cout << "NO\n";
    return 0;
}

Subtask #1
0.0 / 12.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 340 KB Provide a successful but not optimal strategy.
2 Correct 1 ms 340 KB Output is correct
3 Incorrect 1 ms 364 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0.0 / 8.0

# Verdict Execution time Memory Grader output
1 Partially correct 1 ms 340 KB Provide a successful but not optimal strategy.
2 Correct 1 ms 368 KB Output is correct
3 Incorrect 0 ms 340 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0.0 / 80.0

# Verdict Execution time Memory Grader output
1 Partially correct 0 ms 340 KB Provide a successful but not optimal strategy.
2 Correct 1 ms 340 KB Output is correct
3 Incorrect 1 ms 364 KB Output isn't correct
4 Halted 0 ms 0 KB -