oj.uz

Submission #795969

# Submission time Handle Problem Language Result Execution time Memory
795969 2023-07-28T02:08:37 Z NeroZein Spring cleaning (CEOI20_cleaning) C++17
0 / 100
 48 ms 6692 KB 
#include "bits/stdc++.h"
using namespace std;

#ifdef Nero
#include "Deb.h"
#else
#define deb(...)
#endif

const int N = 100005;

vector<int> g[N];

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  int n, q;
  cin >> n >> q;
  for (int i = 1; i < n; ++i) {
    int u, v;
    cin >> u >> v;
    g[u].push_back(v);
    g[v].push_back(u); 
  }
  while (q--) {
    int d;
    cin >> d;
    vector<int> nodes(d);
    for (int i = 0; i < d; ++i) {
      cin >> nodes[i];
    }
    if (d % 2) {
      cout << -1 << '\n'; 
    }
    int ans = n - 1 + d; 
    sort(nodes.begin(), nodes.end()); 
    for (int i = 0; i < d; i += 2) {
      ans += nodes[i + 1] - nodes[i];
    }
    cout << ans << '\n'; 
  }
  return 0;
}

Subtask #1
0 / 0.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2644 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 9.0

# Verdict Execution time Memory Grader output
1 Incorrect 11 ms 3028 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 3028 KB Output is correct
2 Incorrect 11 ms 3540 KB Output isn't correct
3 Halted 0 ms 0 KB -

Subtask #4
0 / 16.0

# Verdict Execution time Memory Grader output
1 Incorrect 14 ms 3304 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 19.0

# Verdict Execution time Memory Grader output
1 Incorrect 41 ms 5180 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 17.0

# Verdict Execution time Memory Grader output
1 Incorrect 48 ms 6692 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 30.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 2644 KB Output isn't correct
2 Halted 0 ms 0 KB -