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Submission #241487

# Submission time Handle Problem Language Result Execution time Memory
241487 2020-06-24T09:08:08 Z rama_pang Fireworks (APIO16_fireworks) C++14
100 / 100
 221 ms 44136 KB 
#include <bits/stdc++.h>
using namespace std;

struct Node {
  long long m = 0, c = 0;
  priority_queue<long long> pq;

  void Merge(Node &o) {
    m += o.m;
    c += o.c;
    if (pq.size() < o.pq.size()) {
      swap(pq, o.pq);
    }
    while (!o.pq.empty()) {
      pq.emplace(o.pq.top());
      o.pq.pop();
    }
  }

  void Process(long long C) {
    while (m > 1) {
      m--;
      c += pq.top();
      pq.pop();
    }
    long long u = pq.top(); pq.pop();
    long long v = pq.top(); pq.pop();
    c -= C;
    pq.emplace(v + C);
    pq.emplace(u + C);
  }

  long long Evaluate() {
    return m * pq.top() + c;
  }
};

int main() {
  ios::sync_with_stdio(0);
  cin.tie(0), cout.tie(0);

  int N, M;
  cin >> N >> M;

  vector<int> P(N + M), C(N + M);
  for (int i = 1; i < N + M; i++) {
    cin >> P[i] >> C[i];
  }

  vector<Node> node(N + M);
  for (int i = N + M - 1; i >= 0; i--) {
    if (i >= N) {
      node[i].m = 1;
      node[i].c = -C[i];
      node[i].pq.emplace(C[i]);
      node[i].pq.emplace(C[i]);
    } else {
      node[i].Process(C[i]);
    }
    if (i > 0) {
      node[--P[i]].Merge(node[i]);
    }
  }

  cout << node[0].Evaluate() << "\n";
  return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 4 ms 384 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 5 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 7 ms 512 KB Output is correct
33 Correct 6 ms 512 KB Output is correct
34 Correct 6 ms 640 KB Output is correct
35 Correct 7 ms 768 KB Output is correct
36 Correct 7 ms 768 KB Output is correct
37 Correct 7 ms 896 KB Output is correct
38 Correct 7 ms 896 KB Output is correct
39 Correct 8 ms 896 KB Output is correct
40 Correct 7 ms 640 KB Output is correct
41 Correct 7 ms 640 KB Output is correct
42 Correct 6 ms 768 KB Output is correct
43 Correct 7 ms 768 KB Output is correct
44 Correct 7 ms 896 KB Output is correct
45 Correct 7 ms 896 KB Output is correct
46 Correct 8 ms 1024 KB Output is correct
47 Correct 8 ms 1024 KB Output is correct
48 Correct 7 ms 896 KB Output is correct
49 Correct 7 ms 1024 KB Output is correct
50 Correct 7 ms 896 KB Output is correct
51 Correct 7 ms 896 KB Output is correct
52 Correct 7 ms 896 KB Output is correct
53 Correct 7 ms 896 KB Output is correct
54 Correct 7 ms 896 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 384 KB Output is correct
2 Correct 5 ms 384 KB Output is correct
3 Correct 5 ms 384 KB Output is correct
4 Correct 5 ms 384 KB Output is correct
5 Correct 5 ms 384 KB Output is correct
6 Correct 5 ms 384 KB Output is correct
7 Correct 5 ms 256 KB Output is correct
8 Correct 5 ms 384 KB Output is correct
9 Correct 5 ms 384 KB Output is correct
10 Correct 5 ms 384 KB Output is correct
11 Correct 5 ms 384 KB Output is correct
12 Correct 5 ms 384 KB Output is correct
13 Correct 5 ms 384 KB Output is correct
14 Correct 5 ms 384 KB Output is correct
15 Correct 5 ms 384 KB Output is correct
16 Correct 5 ms 384 KB Output is correct
17 Correct 4 ms 384 KB Output is correct
18 Correct 5 ms 384 KB Output is correct
19 Correct 5 ms 384 KB Output is correct
20 Correct 5 ms 384 KB Output is correct
21 Correct 5 ms 384 KB Output is correct
22 Correct 5 ms 384 KB Output is correct
23 Correct 5 ms 384 KB Output is correct
24 Correct 5 ms 384 KB Output is correct
25 Correct 5 ms 384 KB Output is correct
26 Correct 5 ms 384 KB Output is correct
27 Correct 5 ms 384 KB Output is correct
28 Correct 5 ms 384 KB Output is correct
29 Correct 5 ms 384 KB Output is correct
30 Correct 5 ms 384 KB Output is correct
31 Correct 5 ms 384 KB Output is correct
32 Correct 7 ms 512 KB Output is correct
33 Correct 6 ms 512 KB Output is correct
34 Correct 6 ms 640 KB Output is correct
35 Correct 7 ms 768 KB Output is correct
36 Correct 7 ms 768 KB Output is correct
37 Correct 7 ms 896 KB Output is correct
38 Correct 7 ms 896 KB Output is correct
39 Correct 8 ms 896 KB Output is correct
40 Correct 7 ms 640 KB Output is correct
41 Correct 7 ms 640 KB Output is correct
42 Correct 6 ms 768 KB Output is correct
43 Correct 7 ms 768 KB Output is correct
44 Correct 7 ms 896 KB Output is correct
45 Correct 7 ms 896 KB Output is correct
46 Correct 8 ms 1024 KB Output is correct
47 Correct 8 ms 1024 KB Output is correct
48 Correct 7 ms 896 KB Output is correct
49 Correct 7 ms 1024 KB Output is correct
50 Correct 7 ms 896 KB Output is correct
51 Correct 7 ms 896 KB Output is correct
52 Correct 7 ms 896 KB Output is correct
53 Correct 7 ms 896 KB Output is correct
54 Correct 7 ms 896 KB Output is correct
55 Correct 12 ms 1664 KB Output is correct
56 Correct 33 ms 5880 KB Output is correct
57 Correct 52 ms 9340 KB Output is correct
58 Correct 63 ms 11892 KB Output is correct
59 Correct 84 ms 15600 KB Output is correct
60 Correct 108 ms 19316 KB Output is correct
61 Correct 121 ms 22384 KB Output is correct
62 Correct 153 ms 24428 KB Output is correct
63 Correct 165 ms 29156 KB Output is correct
64 Correct 175 ms 30448 KB Output is correct
65 Correct 99 ms 21624 KB Output is correct
66 Correct 104 ms 21624 KB Output is correct
67 Correct 101 ms 21752 KB Output is correct
68 Correct 153 ms 28372 KB Output is correct
69 Correct 165 ms 29036 KB Output is correct
70 Correct 164 ms 29036 KB Output is correct
71 Correct 208 ms 43908 KB Output is correct
72 Correct 221 ms 44136 KB Output is correct
73 Correct 186 ms 40460 KB Output is correct
74 Correct 190 ms 40940 KB Output is correct
75 Correct 191 ms 39404 KB Output is correct
76 Correct 188 ms 39272 KB Output is correct
77 Correct 195 ms 38612 KB Output is correct
78 Correct 199 ms 38120 KB Output is correct
79 Correct 187 ms 36704 KB Output is correct