Submission #47690

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
47690	2018-05-06T09:48:57 Z	E869120	Fireworks (APIO16_fireworks)	C++14	55 / 100	2000 ms	373772 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].push_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.push_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].push_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	12 ms	14456 KB	Output is correct
2	Correct	12 ms	14456 KB	Output is correct
3	Correct	13 ms	14536 KB	Output is correct
4	Correct	13 ms	14536 KB	Output is correct
5	Correct	13 ms	14692 KB	Output is correct
6	Correct	13 ms	14692 KB	Output is correct
7	Correct	13 ms	14692 KB	Output is correct
8	Correct	13 ms	14756 KB	Output is correct
9	Correct	13 ms	14756 KB	Output is correct
10	Correct	13 ms	14756 KB	Output is correct

Subtask #2
19.0 / 19.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	14756 KB	Output is correct
2	Correct	13 ms	14756 KB	Output is correct
3	Correct	13 ms	14756 KB	Output is correct
4	Correct	13 ms	14756 KB	Output is correct
5	Correct	13 ms	14756 KB	Output is correct
6	Correct	13 ms	14772 KB	Output is correct
7	Correct	13 ms	14776 KB	Output is correct
8	Correct	13 ms	14780 KB	Output is correct
9	Correct	13 ms	14912 KB	Output is correct
10	Correct	13 ms	14912 KB	Output is correct
11	Correct	13 ms	14912 KB	Output is correct
12	Correct	13 ms	14912 KB	Output is correct
13	Correct	13 ms	14912 KB	Output is correct
14	Correct	13 ms	14912 KB	Output is correct
15	Correct	13 ms	14912 KB	Output is correct
16	Correct	13 ms	14912 KB	Output is correct
17	Correct	14 ms	14912 KB	Output is correct
18	Correct	13 ms	14912 KB	Output is correct
19	Correct	16 ms	14912 KB	Output is correct

Subtask #3
29.0 / 29.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	14456 KB	Output is correct
2	Correct	12 ms	14456 KB	Output is correct
3	Correct	13 ms	14536 KB	Output is correct
4	Correct	13 ms	14536 KB	Output is correct
5	Correct	13 ms	14692 KB	Output is correct
6	Correct	13 ms	14692 KB	Output is correct
7	Correct	13 ms	14692 KB	Output is correct
8	Correct	13 ms	14756 KB	Output is correct
9	Correct	13 ms	14756 KB	Output is correct
10	Correct	13 ms	14756 KB	Output is correct
11	Correct	12 ms	14756 KB	Output is correct
12	Correct	13 ms	14756 KB	Output is correct
13	Correct	13 ms	14756 KB	Output is correct
14	Correct	13 ms	14756 KB	Output is correct
15	Correct	13 ms	14756 KB	Output is correct
16	Correct	13 ms	14772 KB	Output is correct
17	Correct	13 ms	14776 KB	Output is correct
18	Correct	13 ms	14780 KB	Output is correct
19	Correct	13 ms	14912 KB	Output is correct
20	Correct	13 ms	14912 KB	Output is correct
21	Correct	13 ms	14912 KB	Output is correct
22	Correct	13 ms	14912 KB	Output is correct
23	Correct	13 ms	14912 KB	Output is correct
24	Correct	13 ms	14912 KB	Output is correct
25	Correct	13 ms	14912 KB	Output is correct
26	Correct	13 ms	14912 KB	Output is correct
27	Correct	14 ms	14912 KB	Output is correct
28	Correct	13 ms	14912 KB	Output is correct
29	Correct	16 ms	14912 KB	Output is correct
30	Correct	14 ms	14976 KB	Output is correct
31	Correct	15 ms	15368 KB	Output is correct
32	Correct	18 ms	15432 KB	Output is correct
33	Correct	17 ms	15600 KB	Output is correct
34	Correct	19 ms	16032 KB	Output is correct
35	Correct	26 ms	16716 KB	Output is correct
36	Correct	21 ms	16716 KB	Output is correct
37	Correct	23 ms	16732 KB	Output is correct
38	Correct	31 ms	18192 KB	Output is correct
39	Correct	22 ms	18192 KB	Output is correct
40	Correct	17 ms	18192 KB	Output is correct
41	Correct	17 ms	18192 KB	Output is correct
42	Correct	17 ms	18192 KB	Output is correct
43	Correct	151 ms	47232 KB	Output is correct
44	Correct	126 ms	47232 KB	Output is correct
45	Correct	118 ms	47232 KB	Output is correct
46	Correct	16 ms	47232 KB	Output is correct
47	Correct	17 ms	47232 KB	Output is correct
48	Correct	16 ms	47232 KB	Output is correct
49	Correct	16 ms	47232 KB	Output is correct
50	Correct	17 ms	47232 KB	Output is correct
51	Correct	16 ms	47232 KB	Output is correct
52	Correct	19 ms	47232 KB	Output is correct
53	Correct	17 ms	47232 KB	Output is correct
54	Correct	16 ms	47232 KB	Output is correct

Subtask #4
0 / 45.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	12 ms	14456 KB	Output is correct
2	Correct	12 ms	14456 KB	Output is correct
3	Correct	13 ms	14536 KB	Output is correct
4	Correct	13 ms	14536 KB	Output is correct
5	Correct	13 ms	14692 KB	Output is correct
6	Correct	13 ms	14692 KB	Output is correct
7	Correct	13 ms	14692 KB	Output is correct
8	Correct	13 ms	14756 KB	Output is correct
9	Correct	13 ms	14756 KB	Output is correct
10	Correct	13 ms	14756 KB	Output is correct
11	Correct	12 ms	14756 KB	Output is correct
12	Correct	13 ms	14756 KB	Output is correct
13	Correct	13 ms	14756 KB	Output is correct
14	Correct	13 ms	14756 KB	Output is correct
15	Correct	13 ms	14756 KB	Output is correct
16	Correct	13 ms	14772 KB	Output is correct
17	Correct	13 ms	14776 KB	Output is correct
18	Correct	13 ms	14780 KB	Output is correct
19	Correct	13 ms	14912 KB	Output is correct
20	Correct	13 ms	14912 KB	Output is correct
21	Correct	13 ms	14912 KB	Output is correct
22	Correct	13 ms	14912 KB	Output is correct
23	Correct	13 ms	14912 KB	Output is correct
24	Correct	13 ms	14912 KB	Output is correct
25	Correct	13 ms	14912 KB	Output is correct
26	Correct	13 ms	14912 KB	Output is correct
27	Correct	14 ms	14912 KB	Output is correct
28	Correct	13 ms	14912 KB	Output is correct
29	Correct	16 ms	14912 KB	Output is correct
30	Correct	14 ms	14976 KB	Output is correct
31	Correct	15 ms	15368 KB	Output is correct
32	Correct	18 ms	15432 KB	Output is correct
33	Correct	17 ms	15600 KB	Output is correct
34	Correct	19 ms	16032 KB	Output is correct
35	Correct	26 ms	16716 KB	Output is correct
36	Correct	21 ms	16716 KB	Output is correct
37	Correct	23 ms	16732 KB	Output is correct
38	Correct	31 ms	18192 KB	Output is correct
39	Correct	22 ms	18192 KB	Output is correct
40	Correct	17 ms	18192 KB	Output is correct
41	Correct	17 ms	18192 KB	Output is correct
42	Correct	17 ms	18192 KB	Output is correct
43	Correct	151 ms	47232 KB	Output is correct
44	Correct	126 ms	47232 KB	Output is correct
45	Correct	118 ms	47232 KB	Output is correct
46	Correct	16 ms	47232 KB	Output is correct
47	Correct	17 ms	47232 KB	Output is correct
48	Correct	16 ms	47232 KB	Output is correct
49	Correct	16 ms	47232 KB	Output is correct
50	Correct	17 ms	47232 KB	Output is correct
51	Correct	16 ms	47232 KB	Output is correct
52	Correct	19 ms	47232 KB	Output is correct
53	Correct	17 ms	47232 KB	Output is correct
54	Correct	16 ms	47232 KB	Output is correct
55	Correct	51 ms	47232 KB	Output is correct
56	Correct	317 ms	72248 KB	Output is correct
57	Correct	646 ms	126096 KB	Output is correct
58	Correct	749 ms	146504 KB	Output is correct
59	Correct	1742 ms	303128 KB	Output is correct
60	Correct	1675 ms	303128 KB	Output is correct
61	Execution timed out	2101 ms	373772 KB	Time limit exceeded
62	Halted	0 ms	0 KB	-

Submission #47690

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