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Submission #574154

# Submission time Handle Problem Language Result Execution time Memory
574154 2022-06-08T04:42:44 Z AQT Magic Tree (CEOI19_magictree) C++14
100 / 100
 106 ms 31588 KB 
#include <bits/stdc++.h>

using namespace std;

int N, M, K;
vector<int> graph[100005];
int day[100005];
long long val[100005];

map<int, long long> dfs(int n) {
	map<int, long long> ret;
	for(int e : graph[n]) {
		auto m = dfs(e);
		if(ret.size() < m.size()) {
			swap(ret, m);
		}
		for(auto p : m) {
			ret[p.first] += p.second;
		}
	}
	if(val[n]) {
		ret[day[n]] += val[n];
		long long pre = 0;
		while(1) {
			auto ptr = ret.upper_bound(day[n]);
			if(ptr != ret.end()) {
				pre += ptr->second;
				if(pre > val[n]) {
					ptr->second = pre - val[n];
					break;
				}
				else {
					ret.erase(ptr);
				}
			}
			else {
				break;
			}
		}
	}
	return ret;
}

int main() {
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin >> N >> M >> K;
	for(int i = 2; i <= N; i++) {
		int p;
		cin >> p;
		graph[p].push_back(i);
	}
	for(int i = 1; i <= M; i++) {
		int n;
		cin >> n;
		cin >> day[n] >> val[n];
	}
	auto mp = dfs(1);
	long long ans = 0;
	for(auto p : mp) {
		ans += p.second;
	}
	cout << ans << "\n";
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2672 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 1 ms 2680 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 8212 KB Output is correct
2 Correct 36 ms 15652 KB Output is correct
3 Correct 106 ms 11692 KB Output is correct
4 Correct 58 ms 9992 KB Output is correct
5 Correct 70 ms 12568 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2900 KB Output is correct
2 Correct 2 ms 2900 KB Output is correct
3 Correct 2 ms 2900 KB Output is correct
4 Correct 47 ms 27548 KB Output is correct
5 Correct 78 ms 31588 KB Output is correct
6 Correct 62 ms 27584 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 51 ms 7628 KB Output is correct
2 Correct 44 ms 7480 KB Output is correct
3 Correct 54 ms 15896 KB Output is correct
4 Correct 35 ms 6076 KB Output is correct
5 Correct 42 ms 27844 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2672 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 1 ms 2680 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 52 ms 6928 KB Output is correct
11 Correct 49 ms 6848 KB Output is correct
12 Correct 45 ms 15288 KB Output is correct
13 Correct 28 ms 5384 KB Output is correct
14 Correct 45 ms 27168 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 3412 KB Output is correct
2 Correct 19 ms 6016 KB Output is correct
3 Correct 21 ms 5964 KB Output is correct
4 Correct 20 ms 6056 KB Output is correct
5 Correct 8 ms 4484 KB Output is correct
6 Correct 23 ms 9600 KB Output is correct
7 Correct 25 ms 14428 KB Output is correct

Subtask #7
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2672 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 1 ms 2680 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2900 KB Output is correct
11 Correct 2 ms 2900 KB Output is correct
12 Correct 2 ms 2900 KB Output is correct
13 Correct 47 ms 27548 KB Output is correct
14 Correct 78 ms 31588 KB Output is correct
15 Correct 62 ms 27584 KB Output is correct
16 Correct 52 ms 6928 KB Output is correct
17 Correct 49 ms 6848 KB Output is correct
18 Correct 45 ms 15288 KB Output is correct
19 Correct 28 ms 5384 KB Output is correct
20 Correct 45 ms 27168 KB Output is correct
21 Correct 13 ms 3796 KB Output is correct
22 Correct 50 ms 7024 KB Output is correct
23 Correct 63 ms 8784 KB Output is correct
24 Correct 84 ms 10436 KB Output is correct
25 Correct 54 ms 9232 KB Output is correct
26 Correct 76 ms 14700 KB Output is correct
27 Correct 69 ms 17168 KB Output is correct

Subtask #8
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2644 KB Output is correct
2 Correct 1 ms 2672 KB Output is correct
3 Correct 1 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 1 ms 2680 KB Output is correct
6 Correct 1 ms 2644 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 1 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 43 ms 8212 KB Output is correct
11 Correct 36 ms 15652 KB Output is correct
12 Correct 106 ms 11692 KB Output is correct
13 Correct 58 ms 9992 KB Output is correct
14 Correct 70 ms 12568 KB Output is correct
15 Correct 2 ms 2900 KB Output is correct
16 Correct 2 ms 2900 KB Output is correct
17 Correct 2 ms 2900 KB Output is correct
18 Correct 47 ms 27548 KB Output is correct
19 Correct 78 ms 31588 KB Output is correct
20 Correct 62 ms 27584 KB Output is correct
21 Correct 51 ms 7628 KB Output is correct
22 Correct 44 ms 7480 KB Output is correct
23 Correct 54 ms 15896 KB Output is correct
24 Correct 35 ms 6076 KB Output is correct
25 Correct 42 ms 27844 KB Output is correct
26 Correct 52 ms 6928 KB Output is correct
27 Correct 49 ms 6848 KB Output is correct
28 Correct 45 ms 15288 KB Output is correct
29 Correct 28 ms 5384 KB Output is correct
30 Correct 45 ms 27168 KB Output is correct
31 Correct 6 ms 3412 KB Output is correct
32 Correct 19 ms 6016 KB Output is correct
33 Correct 21 ms 5964 KB Output is correct
34 Correct 20 ms 6056 KB Output is correct
35 Correct 8 ms 4484 KB Output is correct
36 Correct 23 ms 9600 KB Output is correct
37 Correct 25 ms 14428 KB Output is correct
38 Correct 13 ms 3796 KB Output is correct
39 Correct 50 ms 7024 KB Output is correct
40 Correct 63 ms 8784 KB Output is correct
41 Correct 84 ms 10436 KB Output is correct
42 Correct 54 ms 9232 KB Output is correct
43 Correct 76 ms 14700 KB Output is correct
44 Correct 69 ms 17168 KB Output is correct
45 Correct 17 ms 3924 KB Output is correct
46 Correct 51 ms 7228 KB Output is correct
47 Correct 70 ms 9268 KB Output is correct
48 Correct 96 ms 11588 KB Output is correct
49 Correct 54 ms 9932 KB Output is correct
50 Correct 89 ms 15660 KB Output is correct
51 Correct 73 ms 18016 KB Output is correct