Submission #47692

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
47692	2018-05-06T09:59:11 Z	E869120	Fireworks (APIO16_fireworks)	C++14	55 / 100	2000 ms	360868 KB

fireworks

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
#pragma warning (disable: 4996)

long long N, M, A[300009], B[300009], dist[300009], sum; vector<pair<long long, long long>>x[300009];
vector<long long>G[300009];

void dfs1(int pos, long long depth) {
	dist[pos] = depth;
	for (int i = 0; i < x[pos].size(); i++) dfs1(x[pos][i].first, depth + x[pos][i].second);
}
void dfs2(int pos) {
	if (x[pos].size() == 0) { G[pos].push_back(dist[pos]); G[pos].push_back(dist[pos]); return; }

	for (int i = 0; i < x[pos].size(); i++) dfs2(x[pos][i].first);

	for (int i = 0; i < x[pos].size(); i++) {
		for (int j = 0; j < G[x[pos][i].first].size(); j++) G[pos].emplace_back(G[x[pos][i].first][j]);
	}
	sort(G[pos].begin(), G[pos].end());
	vector<long long>H;
	for (int i = 0; i < (int)G[pos].size() - (int)x[pos].size() + 1; i++) H.emplace_back(G[pos][i]);
	G[pos] = H;
	for (int i = 0; i < (int)G[pos].size() - 2; i++) G[pos][i] -= B[pos];
}

int main() {
	cin >> N >> M;
	for (int i = 2; i <= N + M; i++) {
		scanf("%lld%lld", &A[i], &B[i]); sum += B[i];
		x[A[i]].push_back(make_pair(i, B[i]));
	}
	dfs1(1, 0);
	dfs2(1);
	long long ret = sum, cx = 0, D = G[1].size() - 1;
	for (int i = 0; i < G[1].size() - 1; i++) { ret -= (G[1][i] - cx)*D; cx = G[1][i]; D--; }
	cout << ret << endl;
	return 0;
}

Compilation message

fireworks.cpp:5:0: warning: ignoring #pragma warning  [-Wunknown-pragmas]
 #pragma warning (disable: 4996)
 
fireworks.cpp: In function 'void dfs1(int, long long int)':
fireworks.cpp:12:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < x[pos].size(); i++) dfs1(x[pos][i].first, depth + x[pos][i].second);
                  ~~^~~~~~~~~~~~~~~
fireworks.cpp: In function 'void dfs2(int)':
fireworks.cpp:17:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < x[pos].size(); i++) dfs2(x[pos][i].first);
                  ~~^~~~~~~~~~~~~~~
fireworks.cpp:19:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < x[pos].size(); i++) {
                  ~~^~~~~~~~~~~~~~~
fireworks.cpp:20:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 0; j < G[x[pos][i].first].size(); j++) G[pos].emplace_back(G[x[pos][i].first][j]);
                   ~~^~~~~~~~~~~~~~~~~~~~~~~~~~~
fireworks.cpp: In function 'int main()':
fireworks.cpp:38:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < G[1].size() - 1; i++) { ret -= (G[1][i] - cx)*D; cx = G[1][i]; D--; }
                  ~~^~~~~~~~~~~~~~~~~
fireworks.cpp:32:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
   scanf("%lld%lld", &A[i], &B[i]); sum += B[i];
   ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~

Subtask #1
7.0 / 7.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	14584 KB	Output is correct
2	Correct	13 ms	14584 KB	Output is correct
3	Correct	13 ms	14584 KB	Output is correct
4	Correct	12 ms	14584 KB	Output is correct
5	Correct	13 ms	14584 KB	Output is correct
6	Correct	13 ms	14636 KB	Output is correct
7	Correct	13 ms	14648 KB	Output is correct
8	Correct	13 ms	14700 KB	Output is correct
9	Correct	13 ms	14800 KB	Output is correct
10	Correct	14 ms	14800 KB	Output is correct

Subtask #2
19.0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	14800 KB	Output is correct
2	Correct	14 ms	14800 KB	Output is correct
3	Correct	15 ms	14800 KB	Output is correct
4	Correct	12 ms	14800 KB	Output is correct
5	Correct	15 ms	14800 KB	Output is correct
6	Correct	13 ms	14800 KB	Output is correct
7	Correct	13 ms	14800 KB	Output is correct
8	Correct	13 ms	14800 KB	Output is correct
9	Correct	13 ms	14800 KB	Output is correct
10	Correct	15 ms	14800 KB	Output is correct
11	Correct	13 ms	14800 KB	Output is correct
12	Correct	13 ms	14800 KB	Output is correct
13	Correct	13 ms	14800 KB	Output is correct
14	Correct	13 ms	14800 KB	Output is correct
15	Correct	14 ms	14800 KB	Output is correct
16	Correct	14 ms	14800 KB	Output is correct
17	Correct	14 ms	14824 KB	Output is correct
18	Correct	13 ms	14824 KB	Output is correct
19	Correct	14 ms	14952 KB	Output is correct

Subtask #3
29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	14584 KB	Output is correct
2	Correct	13 ms	14584 KB	Output is correct
3	Correct	13 ms	14584 KB	Output is correct
4	Correct	12 ms	14584 KB	Output is correct
5	Correct	13 ms	14584 KB	Output is correct
6	Correct	13 ms	14636 KB	Output is correct
7	Correct	13 ms	14648 KB	Output is correct
8	Correct	13 ms	14700 KB	Output is correct
9	Correct	13 ms	14800 KB	Output is correct
10	Correct	14 ms	14800 KB	Output is correct
11	Correct	12 ms	14800 KB	Output is correct
12	Correct	14 ms	14800 KB	Output is correct
13	Correct	15 ms	14800 KB	Output is correct
14	Correct	12 ms	14800 KB	Output is correct
15	Correct	15 ms	14800 KB	Output is correct
16	Correct	13 ms	14800 KB	Output is correct
17	Correct	13 ms	14800 KB	Output is correct
18	Correct	13 ms	14800 KB	Output is correct
19	Correct	13 ms	14800 KB	Output is correct
20	Correct	15 ms	14800 KB	Output is correct
21	Correct	13 ms	14800 KB	Output is correct
22	Correct	13 ms	14800 KB	Output is correct
23	Correct	13 ms	14800 KB	Output is correct
24	Correct	13 ms	14800 KB	Output is correct
25	Correct	14 ms	14800 KB	Output is correct
26	Correct	14 ms	14800 KB	Output is correct
27	Correct	14 ms	14824 KB	Output is correct
28	Correct	13 ms	14824 KB	Output is correct
29	Correct	14 ms	14952 KB	Output is correct
30	Correct	14 ms	14952 KB	Output is correct
31	Correct	14 ms	15044 KB	Output is correct
32	Correct	17 ms	15188 KB	Output is correct
33	Correct	17 ms	15340 KB	Output is correct
34	Correct	18 ms	15756 KB	Output is correct
35	Correct	21 ms	16440 KB	Output is correct
36	Correct	22 ms	16504 KB	Output is correct
37	Correct	22 ms	16504 KB	Output is correct
38	Correct	33 ms	17892 KB	Output is correct
39	Correct	23 ms	17892 KB	Output is correct
40	Correct	16 ms	17892 KB	Output is correct
41	Correct	18 ms	17892 KB	Output is correct
42	Correct	16 ms	17892 KB	Output is correct
43	Correct	151 ms	46436 KB	Output is correct
44	Correct	128 ms	46436 KB	Output is correct
45	Correct	126 ms	46436 KB	Output is correct
46	Correct	17 ms	46436 KB	Output is correct
47	Correct	16 ms	46436 KB	Output is correct
48	Correct	16 ms	46436 KB	Output is correct
49	Correct	21 ms	46436 KB	Output is correct
50	Correct	17 ms	46436 KB	Output is correct
51	Correct	16 ms	46436 KB	Output is correct
52	Correct	18 ms	46436 KB	Output is correct
53	Correct	17 ms	46436 KB	Output is correct
54	Correct	22 ms	46436 KB	Output is correct

Subtask #4
0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	14 ms	14584 KB	Output is correct
2	Correct	13 ms	14584 KB	Output is correct
3	Correct	13 ms	14584 KB	Output is correct
4	Correct	12 ms	14584 KB	Output is correct
5	Correct	13 ms	14584 KB	Output is correct
6	Correct	13 ms	14636 KB	Output is correct
7	Correct	13 ms	14648 KB	Output is correct
8	Correct	13 ms	14700 KB	Output is correct
9	Correct	13 ms	14800 KB	Output is correct
10	Correct	14 ms	14800 KB	Output is correct
11	Correct	12 ms	14800 KB	Output is correct
12	Correct	14 ms	14800 KB	Output is correct
13	Correct	15 ms	14800 KB	Output is correct
14	Correct	12 ms	14800 KB	Output is correct
15	Correct	15 ms	14800 KB	Output is correct
16	Correct	13 ms	14800 KB	Output is correct
17	Correct	13 ms	14800 KB	Output is correct
18	Correct	13 ms	14800 KB	Output is correct
19	Correct	13 ms	14800 KB	Output is correct
20	Correct	15 ms	14800 KB	Output is correct
21	Correct	13 ms	14800 KB	Output is correct
22	Correct	13 ms	14800 KB	Output is correct
23	Correct	13 ms	14800 KB	Output is correct
24	Correct	13 ms	14800 KB	Output is correct
25	Correct	14 ms	14800 KB	Output is correct
26	Correct	14 ms	14800 KB	Output is correct
27	Correct	14 ms	14824 KB	Output is correct
28	Correct	13 ms	14824 KB	Output is correct
29	Correct	14 ms	14952 KB	Output is correct
30	Correct	14 ms	14952 KB	Output is correct
31	Correct	14 ms	15044 KB	Output is correct
32	Correct	17 ms	15188 KB	Output is correct
33	Correct	17 ms	15340 KB	Output is correct
34	Correct	18 ms	15756 KB	Output is correct
35	Correct	21 ms	16440 KB	Output is correct
36	Correct	22 ms	16504 KB	Output is correct
37	Correct	22 ms	16504 KB	Output is correct
38	Correct	33 ms	17892 KB	Output is correct
39	Correct	23 ms	17892 KB	Output is correct
40	Correct	16 ms	17892 KB	Output is correct
41	Correct	18 ms	17892 KB	Output is correct
42	Correct	16 ms	17892 KB	Output is correct
43	Correct	151 ms	46436 KB	Output is correct
44	Correct	128 ms	46436 KB	Output is correct
45	Correct	126 ms	46436 KB	Output is correct
46	Correct	17 ms	46436 KB	Output is correct
47	Correct	16 ms	46436 KB	Output is correct
48	Correct	16 ms	46436 KB	Output is correct
49	Correct	21 ms	46436 KB	Output is correct
50	Correct	17 ms	46436 KB	Output is correct
51	Correct	16 ms	46436 KB	Output is correct
52	Correct	18 ms	46436 KB	Output is correct
53	Correct	17 ms	46436 KB	Output is correct
54	Correct	22 ms	46436 KB	Output is correct
55	Correct	58 ms	46436 KB	Output is correct
56	Correct	329 ms	69904 KB	Output is correct
57	Correct	672 ms	122584 KB	Output is correct
58	Correct	767 ms	141308 KB	Output is correct
59	Correct	1695 ms	295712 KB	Output is correct
60	Correct	1694 ms	295712 KB	Output is correct
61	Execution timed out	2094 ms	360868 KB	Time limit exceeded
62	Halted	0 ms	0 KB	-

Submission #47692

Compilation message

Subtask #1 7.0 / 7.0

Subtask #2 19.0 / 19.0

Subtask #3 29.0 / 29.0

Subtask #4 0 / 45.0

Subtask #1
7.0 / 7.0

Subtask #2
19.0 / 19.0

Subtask #3
29.0 / 29.0

Subtask #4
0 / 45.0