답안 #386040

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
386040	2021-04-05T13:22:46 Z	MiricaMatei	Fireworks (APIO16_fireworks)	C++14	100 / 100	231 ms	51872 KB

fireworks

#include <bits/stdc++.h>

using namespace std;

const int MAXN =  300005;

vector<int>G[MAXN];
priority_queue<long long>pq[MAXN];
long long a[MAXN], b[MAXN];
int c[MAXN];

int main() {

  int n, m;
  scanf("%d%d", &n, &m);
  for (int i = 2; i <= n + m; ++i) {
    int p;
    scanf("%d%d", &p, &c[i]);
    G[p].push_back(i);
  }

  for (int i = n + 1; i <= n + m; ++i) {
    pq[i].push(c[i]);
    pq[i].push(c[i]);
    a[i] = 1;
    b[i] = -c[i];
  }

  for (int i = n; i >= 1; --i) {
    for (auto it:G[i]) {
      if (pq[i].size() < pq[it].size())
        swap(pq[i], pq[it]);
      while (!pq[it].empty()) {
        pq[i].push(pq[it].top());
        pq[it].pop();
      }
      a[i] += a[it];
      b[i] += b[it];
    }
    while (a[i] > 1) {
      long long x = pq[i].top();
      a[i]--;
      b[i] += x;
      pq[i].pop();
    }

    b[i] -= c[i];
    long long x1 = pq[i].top();
    pq[i].pop();
    long long x0 = pq[i].top();
    pq[i].pop();
    x1 += c[i];
    x0 += c[i];
    pq[i].push(x0);
    pq[i].push(x1);
  }

  while (a[1] > 0) {
    long long x = pq[1].top();
    a[1]--;
    b[1] += x;
    pq[1].pop();
  }

  printf("%lld\n", b[1]);

  return 0;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:15:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   15 |   scanf("%d%d", &n, &m);
      |   ~~~~~^~~~~~~~~~~~~~~~
fireworks.cpp:18:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   18 |     scanf("%d%d", &p, &c[i]);
      |     ~~~~~^~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	16748 KB	Output is correct
2	Correct	12 ms	16748 KB	Output is correct
3	Correct	12 ms	16748 KB	Output is correct
4	Correct	12 ms	16748 KB	Output is correct
5	Correct	12 ms	16748 KB	Output is correct
6	Correct	12 ms	16748 KB	Output is correct
7	Correct	11 ms	16748 KB	Output is correct
8	Correct	12 ms	16748 KB	Output is correct
9	Correct	12 ms	16748 KB	Output is correct
10	Correct	12 ms	16748 KB	Output is correct

Subtask #2
19.0 / 19.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	16748 KB	Output is correct
2	Correct	12 ms	16748 KB	Output is correct
3	Correct	12 ms	16748 KB	Output is correct
4	Correct	13 ms	16748 KB	Output is correct
5	Correct	12 ms	16748 KB	Output is correct
6	Correct	12 ms	16748 KB	Output is correct
7	Correct	12 ms	16748 KB	Output is correct
8	Correct	12 ms	16748 KB	Output is correct
9	Correct	12 ms	16748 KB	Output is correct
10	Correct	14 ms	16748 KB	Output is correct
11	Correct	12 ms	16748 KB	Output is correct
12	Correct	12 ms	16748 KB	Output is correct
13	Correct	12 ms	16748 KB	Output is correct
14	Correct	12 ms	16748 KB	Output is correct
15	Correct	12 ms	16748 KB	Output is correct
16	Correct	12 ms	16748 KB	Output is correct
17	Correct	12 ms	16748 KB	Output is correct
18	Correct	12 ms	16748 KB	Output is correct
19	Correct	13 ms	16876 KB	Output is correct

Subtask #3
29.0 / 29.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	16748 KB	Output is correct
2	Correct	12 ms	16748 KB	Output is correct
3	Correct	12 ms	16748 KB	Output is correct
4	Correct	12 ms	16748 KB	Output is correct
5	Correct	12 ms	16748 KB	Output is correct
6	Correct	12 ms	16748 KB	Output is correct
7	Correct	11 ms	16748 KB	Output is correct
8	Correct	12 ms	16748 KB	Output is correct
9	Correct	12 ms	16748 KB	Output is correct
10	Correct	12 ms	16748 KB	Output is correct
11	Correct	12 ms	16748 KB	Output is correct
12	Correct	12 ms	16748 KB	Output is correct
13	Correct	12 ms	16748 KB	Output is correct
14	Correct	13 ms	16748 KB	Output is correct
15	Correct	12 ms	16748 KB	Output is correct
16	Correct	12 ms	16748 KB	Output is correct
17	Correct	12 ms	16748 KB	Output is correct
18	Correct	12 ms	16748 KB	Output is correct
19	Correct	12 ms	16748 KB	Output is correct
20	Correct	14 ms	16748 KB	Output is correct
21	Correct	12 ms	16748 KB	Output is correct
22	Correct	12 ms	16748 KB	Output is correct
23	Correct	12 ms	16748 KB	Output is correct
24	Correct	12 ms	16748 KB	Output is correct
25	Correct	12 ms	16748 KB	Output is correct
26	Correct	12 ms	16748 KB	Output is correct
27	Correct	12 ms	16748 KB	Output is correct
28	Correct	12 ms	16748 KB	Output is correct
29	Correct	13 ms	16876 KB	Output is correct
30	Correct	12 ms	16748 KB	Output is correct
31	Correct	12 ms	17004 KB	Output is correct
32	Correct	13 ms	17004 KB	Output is correct
33	Correct	13 ms	16984 KB	Output is correct
34	Correct	15 ms	17004 KB	Output is correct
35	Correct	14 ms	17132 KB	Output is correct
36	Correct	14 ms	17132 KB	Output is correct
37	Correct	14 ms	17132 KB	Output is correct
38	Correct	15 ms	17260 KB	Output is correct
39	Correct	15 ms	17260 KB	Output is correct
40	Correct	14 ms	17132 KB	Output is correct
41	Correct	14 ms	17132 KB	Output is correct
42	Correct	14 ms	17132 KB	Output is correct
43	Correct	15 ms	17132 KB	Output is correct
44	Correct	14 ms	17132 KB	Output is correct
45	Correct	15 ms	17132 KB	Output is correct
46	Correct	15 ms	17388 KB	Output is correct
47	Correct	14 ms	17388 KB	Output is correct
48	Correct	14 ms	17260 KB	Output is correct
49	Correct	15 ms	17388 KB	Output is correct
50	Correct	15 ms	17132 KB	Output is correct
51	Correct	14 ms	17132 KB	Output is correct
52	Correct	14 ms	17260 KB	Output is correct
53	Correct	15 ms	17260 KB	Output is correct
54	Correct	15 ms	17388 KB	Output is correct

Subtask #4
45.0 / 45.0

#	결과	실행 시간	메모리	Grader output
1	Correct	12 ms	16748 KB	Output is correct
2	Correct	12 ms	16748 KB	Output is correct
3	Correct	12 ms	16748 KB	Output is correct
4	Correct	12 ms	16748 KB	Output is correct
5	Correct	12 ms	16748 KB	Output is correct
6	Correct	12 ms	16748 KB	Output is correct
7	Correct	11 ms	16748 KB	Output is correct
8	Correct	12 ms	16748 KB	Output is correct
9	Correct	12 ms	16748 KB	Output is correct
10	Correct	12 ms	16748 KB	Output is correct
11	Correct	12 ms	16748 KB	Output is correct
12	Correct	12 ms	16748 KB	Output is correct
13	Correct	12 ms	16748 KB	Output is correct
14	Correct	13 ms	16748 KB	Output is correct
15	Correct	12 ms	16748 KB	Output is correct
16	Correct	12 ms	16748 KB	Output is correct
17	Correct	12 ms	16748 KB	Output is correct
18	Correct	12 ms	16748 KB	Output is correct
19	Correct	12 ms	16748 KB	Output is correct
20	Correct	14 ms	16748 KB	Output is correct
21	Correct	12 ms	16748 KB	Output is correct
22	Correct	12 ms	16748 KB	Output is correct
23	Correct	12 ms	16748 KB	Output is correct
24	Correct	12 ms	16748 KB	Output is correct
25	Correct	12 ms	16748 KB	Output is correct
26	Correct	12 ms	16748 KB	Output is correct
27	Correct	12 ms	16748 KB	Output is correct
28	Correct	12 ms	16748 KB	Output is correct
29	Correct	13 ms	16876 KB	Output is correct
30	Correct	12 ms	16748 KB	Output is correct
31	Correct	12 ms	17004 KB	Output is correct
32	Correct	13 ms	17004 KB	Output is correct
33	Correct	13 ms	16984 KB	Output is correct
34	Correct	15 ms	17004 KB	Output is correct
35	Correct	14 ms	17132 KB	Output is correct
36	Correct	14 ms	17132 KB	Output is correct
37	Correct	14 ms	17132 KB	Output is correct
38	Correct	15 ms	17260 KB	Output is correct
39	Correct	15 ms	17260 KB	Output is correct
40	Correct	14 ms	17132 KB	Output is correct
41	Correct	14 ms	17132 KB	Output is correct
42	Correct	14 ms	17132 KB	Output is correct
43	Correct	15 ms	17132 KB	Output is correct
44	Correct	14 ms	17132 KB	Output is correct
45	Correct	15 ms	17132 KB	Output is correct
46	Correct	15 ms	17388 KB	Output is correct
47	Correct	14 ms	17388 KB	Output is correct
48	Correct	14 ms	17260 KB	Output is correct
49	Correct	15 ms	17388 KB	Output is correct
50	Correct	15 ms	17132 KB	Output is correct
51	Correct	14 ms	17132 KB	Output is correct
52	Correct	14 ms	17260 KB	Output is correct
53	Correct	15 ms	17260 KB	Output is correct
54	Correct	15 ms	17388 KB	Output is correct
55	Correct	18 ms	17900 KB	Output is correct
56	Correct	41 ms	21356 KB	Output is correct
57	Correct	77 ms	24300 KB	Output is correct
58	Correct	83 ms	26472 KB	Output is correct
59	Correct	110 ms	29800 KB	Output is correct
60	Correct	136 ms	32616 KB	Output is correct
61	Correct	187 ms	35428 KB	Output is correct
62	Correct	184 ms	37088 KB	Output is correct
63	Correct	219 ms	40920 KB	Output is correct
64	Correct	230 ms	41956 KB	Output is correct
65	Correct	115 ms	36972 KB	Output is correct
66	Correct	120 ms	36844 KB	Output is correct
67	Correct	115 ms	37100 KB	Output is correct
68	Correct	170 ms	38752 KB	Output is correct
69	Correct	228 ms	39024 KB	Output is correct
70	Correct	231 ms	38760 KB	Output is correct
71	Correct	205 ms	51872 KB	Output is correct
72	Correct	201 ms	51804 KB	Output is correct
73	Correct	177 ms	47836 KB	Output is correct
74	Correct	177 ms	48092 KB	Output is correct
75	Correct	181 ms	46944 KB	Output is correct
76	Correct	181 ms	47164 KB	Output is correct
77	Correct	191 ms	46328 KB	Output is correct
78	Correct	187 ms	45668 KB	Output is correct
79	Correct	174 ms	45016 KB	Output is correct

답안 #386040

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