Submission #994384

# Submission time Handle Problem Language Result Execution time Memory
994384 2024-06-07T14:17:49 Z tch1cherin Gift (IZhO18_nicegift) C++17
30 / 100
1675 ms 524288 KB
#include <bits/stdc++.h>
using namespace std;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  int N, K;
  cin >> N >> K;
  vector<long long> A(N);
  priority_queue<pair<long long, int>> Q;
  long long sum = 0;
  for (int i = 0; i < N; i++) {
    cin >> A[i];
    Q.push({A[i], i});
    sum += A[i];
  }
  vector<vector<long long>> answer;
  answer.reserve(3000000);
  vector<int> pos;
  while ((int)Q.size() >= K) {
    pos.clear();
    long long val = numeric_limits<int>::max();
    for (int i = 0; i < K; i++) {
      val = min(val, Q.top().first);
      pos.push_back(Q.top().second);
      Q.pop();
    }
    if (!Q.empty()) {
      val = min(val, sum / K - Q.top().first);
    }
    answer.push_back({val});
    for (int i : pos) {
      answer.back().push_back(1 + i);
      if ((A[i] -= val) > 0) {
        Q.push({A[i], i});
      }
      sum -= val;
    }
  }
  if (Q.empty()) {
    cout << answer.size() << "\n";
    for (auto &op : answer) {
      for (int i = 0; i <= K; i++) {
        cout << op[i] << " \n"[i == K];
      }
    }
  } else {
    cout << "-1\n";
  }
}
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB n=4
2 Correct 0 ms 348 KB n=3
3 Correct 0 ms 348 KB n=3
4 Correct 1 ms 344 KB n=4
5 Correct 0 ms 348 KB n=4
6 Correct 1 ms 348 KB n=2
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB n=4
2 Correct 0 ms 348 KB n=3
3 Correct 0 ms 348 KB n=3
4 Correct 1 ms 344 KB n=4
5 Correct 0 ms 348 KB n=4
6 Correct 1 ms 348 KB n=2
7 Correct 0 ms 348 KB n=5
8 Correct 0 ms 348 KB n=8
9 Correct 0 ms 348 KB n=14
10 Correct 1 ms 348 KB n=11
11 Correct 14 ms 4056 KB n=50000
12 Correct 13 ms 5592 KB n=50000
13 Correct 1 ms 348 KB n=10
14 Correct 1 ms 348 KB n=685
15 Correct 1 ms 348 KB n=623
16 Correct 0 ms 348 KB n=973
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB n=4
2 Correct 0 ms 348 KB n=3
3 Correct 0 ms 348 KB n=3
4 Correct 1 ms 344 KB n=4
5 Correct 0 ms 348 KB n=4
6 Correct 1 ms 348 KB n=2
7 Correct 0 ms 348 KB n=5
8 Correct 0 ms 348 KB n=8
9 Correct 0 ms 348 KB n=14
10 Correct 1 ms 348 KB n=11
11 Correct 14 ms 4056 KB n=50000
12 Correct 13 ms 5592 KB n=50000
13 Correct 1 ms 348 KB n=10
14 Correct 1 ms 348 KB n=685
15 Correct 1 ms 348 KB n=623
16 Correct 0 ms 348 KB n=973
17 Correct 0 ms 348 KB n=989
18 Correct 0 ms 348 KB n=563
19 Correct 1 ms 504 KB n=592
20 Correct 1 ms 348 KB n=938
21 Correct 0 ms 348 KB n=747
22 Correct 1 ms 344 KB n=991
# Verdict Execution time Memory Grader output
1 Runtime error 1675 ms 524288 KB Execution killed with signal 9
2 Halted 0 ms 0 KB -
# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB n=4
2 Correct 0 ms 348 KB n=3
3 Correct 0 ms 348 KB n=3
4 Correct 1 ms 344 KB n=4
5 Correct 0 ms 348 KB n=4
6 Correct 1 ms 348 KB n=2
7 Correct 0 ms 348 KB n=5
8 Correct 0 ms 348 KB n=8
9 Correct 0 ms 348 KB n=14
10 Correct 1 ms 348 KB n=11
11 Correct 14 ms 4056 KB n=50000
12 Correct 13 ms 5592 KB n=50000
13 Correct 1 ms 348 KB n=10
14 Correct 1 ms 348 KB n=685
15 Correct 1 ms 348 KB n=623
16 Correct 0 ms 348 KB n=973
17 Correct 0 ms 348 KB n=989
18 Correct 0 ms 348 KB n=563
19 Correct 1 ms 504 KB n=592
20 Correct 1 ms 348 KB n=938
21 Correct 0 ms 348 KB n=747
22 Correct 1 ms 344 KB n=991
23 Runtime error 1675 ms 524288 KB Execution killed with signal 9
24 Halted 0 ms 0 KB -