oj.uz

Submission #994399

# Submission time Handle Problem Language Result Execution time Memory
994399 2024-06-07T14:23:40 Z tch1cherin Gift (IZhO18_nicegift) C++17
100 / 100
 561 ms 109484 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;
  vector<int> pos;
  int cnt = 0;
  while ((int)Q.size() >= K) {
    pos.clear();
    long long val = numeric_limits<long long>::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;
    }
    cnt += K;
  }
  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";
  }
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB n=4
2 Correct 0 ms 348 KB n=3
3 Correct 0 ms 348 KB n=3
4 Correct 0 ms 348 KB n=4
5 Correct 0 ms 348 KB n=4
6 Correct 1 ms 348 KB n=2

Subtask #2
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB n=4
2 Correct 0 ms 348 KB n=3
3 Correct 0 ms 348 KB n=3
4 Correct 0 ms 348 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 15 ms 4056 KB n=50000
12 Correct 13 ms 3544 KB n=50000
13 Correct 0 ms 348 KB n=10
14 Correct 1 ms 348 KB n=685
15 Correct 1 ms 348 KB n=623
16 Correct 1 ms 348 KB n=973

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB n=4
2 Correct 0 ms 348 KB n=3
3 Correct 0 ms 348 KB n=3
4 Correct 0 ms 348 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 15 ms 4056 KB n=50000
12 Correct 13 ms 3544 KB n=50000
13 Correct 0 ms 348 KB n=10
14 Correct 1 ms 348 KB n=685
15 Correct 1 ms 348 KB n=623
16 Correct 1 ms 348 KB n=973
17 Correct 1 ms 348 KB n=989
18 Correct 0 ms 348 KB n=563
19 Correct 1 ms 348 KB n=592
20 Correct 1 ms 348 KB n=938
21 Correct 1 ms 348 KB n=747
22 Correct 0 ms 348 KB n=991

Subtask #4
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 301 ms 73136 KB n=1000000
2 Correct 188 ms 51128 KB n=666666
3 Correct 109 ms 28604 KB n=400000
4 Correct 79 ms 18488 KB n=285714
5 Correct 5 ms 1504 KB n=20000
6 Correct 46 ms 11728 KB n=181818
7 Correct 3 ms 984 KB n=10000
8 Correct 2 ms 904 KB n=6666
9 Correct 2 ms 604 KB n=4000
10 Correct 3 ms 860 KB n=2857
11 Correct 1 ms 348 KB n=2000

Subtask #5
51.0 / 51.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB n=4
2 Correct 0 ms 348 KB n=3
3 Correct 0 ms 348 KB n=3
4 Correct 0 ms 348 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 15 ms 4056 KB n=50000
12 Correct 13 ms 3544 KB n=50000
13 Correct 0 ms 348 KB n=10
14 Correct 1 ms 348 KB n=685
15 Correct 1 ms 348 KB n=623
16 Correct 1 ms 348 KB n=973
17 Correct 1 ms 348 KB n=989
18 Correct 0 ms 348 KB n=563
19 Correct 1 ms 348 KB n=592
20 Correct 1 ms 348 KB n=938
21 Correct 1 ms 348 KB n=747
22 Correct 0 ms 348 KB n=991
23 Correct 301 ms 73136 KB n=1000000
24 Correct 188 ms 51128 KB n=666666
25 Correct 109 ms 28604 KB n=400000
26 Correct 79 ms 18488 KB n=285714
27 Correct 5 ms 1504 KB n=20000
28 Correct 46 ms 11728 KB n=181818
29 Correct 3 ms 984 KB n=10000
30 Correct 2 ms 904 KB n=6666
31 Correct 2 ms 604 KB n=4000
32 Correct 3 ms 860 KB n=2857
33 Correct 1 ms 348 KB n=2000
34 Correct 10 ms 2648 KB n=23514
35 Correct 10 ms 2648 KB n=23514
36 Correct 1 ms 348 KB n=940
37 Correct 0 ms 348 KB n=2
38 Correct 28 ms 6004 KB n=100000
39 Correct 29 ms 5844 KB n=100000
40 Correct 0 ms 348 KB n=10
41 Correct 0 ms 460 KB n=100
42 Correct 2 ms 604 KB n=1000
43 Correct 359 ms 99616 KB n=1000000
44 Correct 561 ms 109484 KB n=1000000
45 Correct 356 ms 63668 KB n=666666
46 Correct 221 ms 40304 KB n=400000
47 Correct 9 ms 1372 KB n=2336
48 Correct 379 ms 56728 KB n=285714
49 Correct 336 ms 52504 KB n=181818
50 Correct 18 ms 3292 KB n=40000
51 Correct 9 ms 1756 KB n=20000
52 Correct 6 ms 1240 KB n=10000
53 Correct 38 ms 5972 KB n=6666
54 Correct 3 ms 604 KB n=4000
55 Correct 158 ms 20820 KB n=2857
56 Correct 2 ms 604 KB n=2000