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Submission #47802

# Submission time Handle Problem Language Result Execution time Memory
47802 2018-05-07T10:26:18 Z square1001 Fireworks (APIO16_fireworks) C++14
100 / 100
 702 ms 101032 KB 
#include <set>
#include <vector>
#include <iostream>
#include <algorithm>
using namespace std;
int N, M, p[300009], c[300009], id[300009]; vector<int> g[300009]; multiset<long long> v[300009];
int main() {
	cin.tie(0);
	ios_base::sync_with_stdio(false);
	cin >> N >> M;
	long long sum = 0;
	for (int i = 1; i < N + M; i++) {
		cin >> p[i] >> c[i];
		g[--p[i]].push_back(i);
		sum += c[i];
		if (i >= N) {
			v[i - N].insert(c[i]);
			v[i - N].insert(c[i]);
			id[i] = i - N;
		}
	}
	for (int i = N - 1; i >= 0; i--) {
		int mx = 0;
		for (int j : g[i]) {
			if (mx < v[id[j]].size()) {
				mx = v[id[j]].size();
				id[i] = id[j];
			}
		}
		for (int j : g[i]) {
			if (id[j] != id[i]) {
				int sz = v[id[i]].size();
				v[id[i]].insert(v[id[j]].begin(), v[id[j]].end());
			}
		}
		multiset<long long>::iterator it = --v[id[i]].end();
		for (int j = 1; j < g[i].size(); j++) {
			it = --v[id[i]].erase(it);
		}
		long long va = *it; it = --v[id[i]].erase(it);
		long long vb = *it; it = --v[id[i]].erase(it);
		v[id[i]].insert(va + c[i]);
		v[id[i]].insert(vb + c[i]);
	}
	vector<long long> res(v[id[0]].begin(), v[id[0]].end());
	for (int i = 0; i < res.size(); i++) {
		sum -= (res[i] - (i == 0 ? 0 : res[i - 1])) * (res.size() - i - 1);
	}
	cout << sum << '\n';
	return 0;
}

Compilation message

fireworks.cpp: In function 'int main()':
fireworks.cpp:25:11: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
    if (mx < v[id[j]].size()) {
        ~~~^~~~~~~~~~~~~~~~~
fireworks.cpp:32:9: warning: unused variable 'sz' [-Wunused-variable]
     int sz = v[id[i]].size();
         ^~
fireworks.cpp:37:21: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
   for (int j = 1; j < g[i].size(); j++) {
                   ~~^~~~~~~~~~~~~
fireworks.cpp:46:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
  for (int i = 0; i < res.size(); i++) {
                  ~~^~~~~~~~~~~~

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 21500 KB Output is correct
2 Correct 22 ms 21604 KB Output is correct
3 Correct 18 ms 21604 KB Output is correct
4 Correct 21 ms 21604 KB Output is correct
5 Correct 18 ms 21604 KB Output is correct
6 Correct 18 ms 21616 KB Output is correct
7 Correct 18 ms 21616 KB Output is correct
8 Correct 19 ms 21728 KB Output is correct
9 Correct 19 ms 21728 KB Output is correct
10 Correct 18 ms 21728 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 21728 KB Output is correct
2 Correct 19 ms 21784 KB Output is correct
3 Correct 19 ms 21784 KB Output is correct
4 Correct 19 ms 21784 KB Output is correct
5 Correct 19 ms 21784 KB Output is correct
6 Correct 19 ms 21784 KB Output is correct
7 Correct 18 ms 21784 KB Output is correct
8 Correct 19 ms 21784 KB Output is correct
9 Correct 18 ms 21784 KB Output is correct
10 Correct 19 ms 21784 KB Output is correct
11 Correct 19 ms 21784 KB Output is correct
12 Correct 19 ms 21784 KB Output is correct
13 Correct 19 ms 21784 KB Output is correct
14 Correct 19 ms 21784 KB Output is correct
15 Correct 21 ms 21784 KB Output is correct
16 Correct 18 ms 21784 KB Output is correct
17 Correct 19 ms 21784 KB Output is correct
18 Correct 19 ms 21784 KB Output is correct
19 Correct 19 ms 21784 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 21500 KB Output is correct
2 Correct 22 ms 21604 KB Output is correct
3 Correct 18 ms 21604 KB Output is correct
4 Correct 21 ms 21604 KB Output is correct
5 Correct 18 ms 21604 KB Output is correct
6 Correct 18 ms 21616 KB Output is correct
7 Correct 18 ms 21616 KB Output is correct
8 Correct 19 ms 21728 KB Output is correct
9 Correct 19 ms 21728 KB Output is correct
10 Correct 18 ms 21728 KB Output is correct
11 Correct 20 ms 21728 KB Output is correct
12 Correct 19 ms 21784 KB Output is correct
13 Correct 19 ms 21784 KB Output is correct
14 Correct 19 ms 21784 KB Output is correct
15 Correct 19 ms 21784 KB Output is correct
16 Correct 19 ms 21784 KB Output is correct
17 Correct 18 ms 21784 KB Output is correct
18 Correct 19 ms 21784 KB Output is correct
19 Correct 18 ms 21784 KB Output is correct
20 Correct 19 ms 21784 KB Output is correct
21 Correct 19 ms 21784 KB Output is correct
22 Correct 19 ms 21784 KB Output is correct
23 Correct 19 ms 21784 KB Output is correct
24 Correct 19 ms 21784 KB Output is correct
25 Correct 21 ms 21784 KB Output is correct
26 Correct 18 ms 21784 KB Output is correct
27 Correct 19 ms 21784 KB Output is correct
28 Correct 19 ms 21784 KB Output is correct
29 Correct 19 ms 21784 KB Output is correct
30 Correct 18 ms 21784 KB Output is correct
31 Correct 19 ms 21836 KB Output is correct
32 Correct 20 ms 21852 KB Output is correct
33 Correct 20 ms 22004 KB Output is correct
34 Correct 28 ms 22164 KB Output is correct
35 Correct 23 ms 22212 KB Output is correct
36 Correct 29 ms 22420 KB Output is correct
37 Correct 30 ms 22584 KB Output is correct
38 Correct 23 ms 22584 KB Output is correct
39 Correct 22 ms 22716 KB Output is correct
40 Correct 23 ms 22716 KB Output is correct
41 Correct 21 ms 22716 KB Output is correct
42 Correct 21 ms 22716 KB Output is correct
43 Correct 22 ms 22900 KB Output is correct
44 Correct 22 ms 23116 KB Output is correct
45 Correct 23 ms 23172 KB Output is correct
46 Correct 24 ms 23880 KB Output is correct
47 Correct 24 ms 23880 KB Output is correct
48 Correct 24 ms 23880 KB Output is correct
49 Correct 24 ms 23880 KB Output is correct
50 Correct 23 ms 23880 KB Output is correct
51 Correct 25 ms 23880 KB Output is correct
52 Correct 24 ms 23880 KB Output is correct
53 Correct 25 ms 23932 KB Output is correct
54 Correct 24 ms 24280 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 19 ms 21500 KB Output is correct
2 Correct 22 ms 21604 KB Output is correct
3 Correct 18 ms 21604 KB Output is correct
4 Correct 21 ms 21604 KB Output is correct
5 Correct 18 ms 21604 KB Output is correct
6 Correct 18 ms 21616 KB Output is correct
7 Correct 18 ms 21616 KB Output is correct
8 Correct 19 ms 21728 KB Output is correct
9 Correct 19 ms 21728 KB Output is correct
10 Correct 18 ms 21728 KB Output is correct
11 Correct 20 ms 21728 KB Output is correct
12 Correct 19 ms 21784 KB Output is correct
13 Correct 19 ms 21784 KB Output is correct
14 Correct 19 ms 21784 KB Output is correct
15 Correct 19 ms 21784 KB Output is correct
16 Correct 19 ms 21784 KB Output is correct
17 Correct 18 ms 21784 KB Output is correct
18 Correct 19 ms 21784 KB Output is correct
19 Correct 18 ms 21784 KB Output is correct
20 Correct 19 ms 21784 KB Output is correct
21 Correct 19 ms 21784 KB Output is correct
22 Correct 19 ms 21784 KB Output is correct
23 Correct 19 ms 21784 KB Output is correct
24 Correct 19 ms 21784 KB Output is correct
25 Correct 21 ms 21784 KB Output is correct
26 Correct 18 ms 21784 KB Output is correct
27 Correct 19 ms 21784 KB Output is correct
28 Correct 19 ms 21784 KB Output is correct
29 Correct 19 ms 21784 KB Output is correct
30 Correct 18 ms 21784 KB Output is correct
31 Correct 19 ms 21836 KB Output is correct
32 Correct 20 ms 21852 KB Output is correct
33 Correct 20 ms 22004 KB Output is correct
34 Correct 28 ms 22164 KB Output is correct
35 Correct 23 ms 22212 KB Output is correct
36 Correct 29 ms 22420 KB Output is correct
37 Correct 30 ms 22584 KB Output is correct
38 Correct 23 ms 22584 KB Output is correct
39 Correct 22 ms 22716 KB Output is correct
40 Correct 23 ms 22716 KB Output is correct
41 Correct 21 ms 22716 KB Output is correct
42 Correct 21 ms 22716 KB Output is correct
43 Correct 22 ms 22900 KB Output is correct
44 Correct 22 ms 23116 KB Output is correct
45 Correct 23 ms 23172 KB Output is correct
46 Correct 24 ms 23880 KB Output is correct
47 Correct 24 ms 23880 KB Output is correct
48 Correct 24 ms 23880 KB Output is correct
49 Correct 24 ms 23880 KB Output is correct
50 Correct 23 ms 23880 KB Output is correct
51 Correct 25 ms 23880 KB Output is correct
52 Correct 24 ms 23880 KB Output is correct
53 Correct 25 ms 23932 KB Output is correct
54 Correct 24 ms 24280 KB Output is correct
55 Correct 29 ms 24952 KB Output is correct
56 Correct 70 ms 30392 KB Output is correct
57 Correct 112 ms 36212 KB Output is correct
58 Correct 164 ms 39588 KB Output is correct
59 Correct 197 ms 44544 KB Output is correct
60 Correct 261 ms 49328 KB Output is correct
61 Correct 288 ms 52780 KB Output is correct
62 Correct 330 ms 56268 KB Output is correct
63 Correct 393 ms 63016 KB Output is correct
64 Correct 439 ms 63404 KB Output is correct
65 Correct 153 ms 63404 KB Output is correct
66 Correct 155 ms 63404 KB Output is correct
67 Correct 153 ms 63404 KB Output is correct
68 Correct 325 ms 63404 KB Output is correct
69 Correct 359 ms 63404 KB Output is correct
70 Correct 369 ms 63404 KB Output is correct
71 Correct 525 ms 100896 KB Output is correct
72 Correct 528 ms 101032 KB Output is correct
73 Correct 491 ms 101032 KB Output is correct
74 Correct 494 ms 101032 KB Output is correct
75 Correct 502 ms 101032 KB Output is correct
76 Correct 493 ms 101032 KB Output is correct
77 Correct 570 ms 101032 KB Output is correct
78 Correct 581 ms 101032 KB Output is correct
79 Correct 702 ms 101032 KB Output is correct