답안 #934649

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
934649	2024-02-27T18:34:44 Z	LaviniaTornaghi	Fireworks (APIO16_fireworks)	C++14	100 / 100	326 ms	60496 KB

fireworks

#include <bits/stdc++.h>
#include <bits/extc++.h>
using namespace std;
using namespace __gnu_pbds;

typedef long long i64;
typedef __gnu_pbds::priority_queue<i64, less<i64>, binomial_heap_tag> pairing_heap;

int main() {
  ios_base::sync_with_stdio(false); cin.tie(NULL);
  int N, M; cin >> N >> M;

  vector<vector<int>> adj(N);
  vector<int> t(N + M);

  for (int i = 1; i < N + M; i++) {
    int p; cin >> p >> t[i];
    adj[p - 1].push_back(i);
  }

  auto dfs = [&](auto &&dfs, int node) {
    pairing_heap q;
    if (node >= N) {
      q.push(t[node]);
      q.push(t[node]);
      return q;
    }

    for (auto child: adj[node]) {
      pairing_heap cq = dfs(dfs, child);
      q.join(cq);
    }
    for (int i = 0; i < adj[node].size() - 1; i++) q.pop();

    i64 x1 = q.top(); q.pop();
    i64 x0 = q.top(); q.pop();

    q.push(x0 + t[node]);
    q.push(x1 + t[node]);

    return q;
  };

  pairing_heap q = dfs(dfs, 0);
  vector<i64> slope_changes;
  while (!q.empty()) {
    i64 x = q.top(); q.pop();
    slope_changes.push_back(x);
  }

  reverse(slope_changes.begin(), slope_changes.end());
  int curr_slope = 1 - (int)slope_changes.size();
  i64 last_point = 0;
  i64 curr_value = accumulate(t.begin(), t.end(), 0LL);
  i64 best_value = curr_value;

  for (auto x: slope_changes) {
    curr_value += curr_slope * (x - last_point);
    best_value = min(best_value, curr_value);

    last_point = x;
    curr_slope++;
  }

  cout << best_value << '\n';
}

Compilation message

fireworks.cpp: In instantiation of 'main()::<lambda(auto:1&&, int)> [with auto:1 = main()::<lambda(auto:1&&, int)>&]':
fireworks.cpp:44:30:   required from here
fireworks.cpp:33:23: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   33 |     for (int i = 0; i < adj[node].size() - 1; i++) q.pop();
      |                     ~~^~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	메모리	Grader output
1	Correct	344 KB	Output is correct
2	Correct	348 KB	Output is correct
3	Correct	348 KB	Output is correct
4	Correct	348 KB	Output is correct
5	Correct	348 KB	Output is correct
6	Correct	348 KB	Output is correct
7	Correct	348 KB	Output is correct
8	Correct	348 KB	Output is correct
9	Correct	348 KB	Output is correct
10	Correct	348 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	348 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	1 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	1 ms	344 KB	Output is correct
9	Correct	0 ms	344 KB	Output is correct
10	Correct	0 ms	344 KB	Output is correct
11	Correct	0 ms	344 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	0 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	0 ms	348 KB	Output is correct
19	Correct	0 ms	348 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	344 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	1 ms	604 KB	Output is correct
35	Correct	2 ms	612 KB	Output is correct
36	Correct	2 ms	604 KB	Output is correct
37	Correct	2 ms	748 KB	Output is correct
38	Correct	2 ms	600 KB	Output is correct
39	Correct	2 ms	600 KB	Output is correct
40	Correct	2 ms	1372 KB	Output is correct
41	Correct	2 ms	1372 KB	Output is correct
42	Correct	1 ms	604 KB	Output is correct
43	Correct	2 ms	1116 KB	Output is correct
44	Correct	2 ms	1028 KB	Output is correct
45	Correct	3 ms	856 KB	Output is correct
46	Correct	2 ms	604 KB	Output is correct
47	Correct	2 ms	604 KB	Output is correct
48	Correct	2 ms	604 KB	Output is correct
49	Correct	2 ms	860 KB	Output is correct
50	Correct	2 ms	860 KB	Output is correct
51	Correct	3 ms	860 KB	Output is correct
52	Correct	3 ms	856 KB	Output is correct
53	Correct	4 ms	860 KB	Output is correct
54	Correct	4 ms	860 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	0 ms	344 KB	Output is correct
2	Correct	0 ms	348 KB	Output is correct
3	Correct	0 ms	348 KB	Output is correct
4	Correct	0 ms	348 KB	Output is correct
5	Correct	0 ms	348 KB	Output is correct
6	Correct	0 ms	348 KB	Output is correct
7	Correct	0 ms	348 KB	Output is correct
8	Correct	0 ms	348 KB	Output is correct
9	Correct	0 ms	348 KB	Output is correct
10	Correct	0 ms	348 KB	Output is correct
11	Correct	0 ms	348 KB	Output is correct
12	Correct	0 ms	348 KB	Output is correct
13	Correct	0 ms	348 KB	Output is correct
14	Correct	0 ms	348 KB	Output is correct
15	Correct	0 ms	348 KB	Output is correct
16	Correct	1 ms	348 KB	Output is correct
17	Correct	0 ms	348 KB	Output is correct
18	Correct	1 ms	344 KB	Output is correct
19	Correct	0 ms	344 KB	Output is correct
20	Correct	0 ms	344 KB	Output is correct
21	Correct	0 ms	344 KB	Output is correct
22	Correct	0 ms	348 KB	Output is correct
23	Correct	0 ms	348 KB	Output is correct
24	Correct	0 ms	348 KB	Output is correct
25	Correct	0 ms	348 KB	Output is correct
26	Correct	0 ms	348 KB	Output is correct
27	Correct	0 ms	348 KB	Output is correct
28	Correct	0 ms	348 KB	Output is correct
29	Correct	0 ms	348 KB	Output is correct
30	Correct	1 ms	348 KB	Output is correct
31	Correct	1 ms	348 KB	Output is correct
32	Correct	1 ms	348 KB	Output is correct
33	Correct	1 ms	604 KB	Output is correct
34	Correct	1 ms	604 KB	Output is correct
35	Correct	2 ms	612 KB	Output is correct
36	Correct	2 ms	604 KB	Output is correct
37	Correct	2 ms	748 KB	Output is correct
38	Correct	2 ms	600 KB	Output is correct
39	Correct	2 ms	600 KB	Output is correct
40	Correct	2 ms	1372 KB	Output is correct
41	Correct	2 ms	1372 KB	Output is correct
42	Correct	1 ms	604 KB	Output is correct
43	Correct	2 ms	1116 KB	Output is correct
44	Correct	2 ms	1028 KB	Output is correct
45	Correct	3 ms	856 KB	Output is correct
46	Correct	2 ms	604 KB	Output is correct
47	Correct	2 ms	604 KB	Output is correct
48	Correct	2 ms	604 KB	Output is correct
49	Correct	2 ms	860 KB	Output is correct
50	Correct	2 ms	860 KB	Output is correct
51	Correct	3 ms	860 KB	Output is correct
52	Correct	3 ms	856 KB	Output is correct
53	Correct	4 ms	860 KB	Output is correct
54	Correct	4 ms	860 KB	Output is correct
55	Correct	5 ms	1152 KB	Output is correct
56	Correct	19 ms	3672 KB	Output is correct
57	Correct	34 ms	5584 KB	Output is correct
58	Correct	46 ms	7016 KB	Output is correct
59	Correct	61 ms	9172 KB	Output is correct
60	Correct	75 ms	10968 KB	Output is correct
61	Correct	90 ms	12996 KB	Output is correct
62	Correct	115 ms	14452 KB	Output is correct
63	Correct	132 ms	16596 KB	Output is correct
64	Correct	135 ms	17392 KB	Output is correct
65	Correct	96 ms	60496 KB	Output is correct
66	Correct	100 ms	60108 KB	Output is correct
67	Correct	79 ms	18000 KB	Output is correct
68	Correct	132 ms	40140 KB	Output is correct
69	Correct	155 ms	36432 KB	Output is correct
70	Correct	161 ms	36684 KB	Output is correct
71	Correct	187 ms	22976 KB	Output is correct
72	Correct	194 ms	22552 KB	Output is correct
73	Correct	169 ms	22980 KB	Output is correct
74	Correct	172 ms	22132 KB	Output is correct
75	Correct	170 ms	22220 KB	Output is correct
76	Correct	178 ms	21956 KB	Output is correct
77	Correct	217 ms	21704 KB	Output is correct
78	Correct	212 ms	23148 KB	Output is correct
79	Correct	326 ms	35724 KB	Output is correct

답안 #934649

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 29.0 / 29.0

Subtask #4 45.0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
29.0 / 29.0

Subtask #4
45.0 / 45.0