Submission #654103

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
654103	2022-10-30T00:08:00 Z	dutinmeow	Magic Tree (CEOI19_magictree)	C++17	100 / 100	247 ms	40220 KB

magictree

#include <bits/stdc++.h>

int main() {
	using namespace std;

	int N, M, K;
	cin >> N >> M >> K;
	vector<int> P(N + 1);
	for (int i = 2; i <= N; i++) 
		cin >> P[i];
	vector<int> D(N + 1, -1);
	vector<long long> W(N + 1);
	for (int i = 0; i < M; i++) {
		int u, d;
		long long w;
		cin >> u >> d >> w;
		tie(D[u], W[u]) = make_pair(d, w);
	}

	vector<map<int, long long>> A(N + 1);
	for (int i = N; i > 1; i--) {
		if (D[i] != -1) {
			auto it = A[i].emplace(D[i], 0).first;
			it->second += W[i];
			for (it = next(it); 
				it != A[i].end() && W[i] >= it->second; 
				W[i] -= it->second, it = A[i].erase(it)
			);
			if (it != A[i].end())
				it->second -= W[i];
		}
		if (A[i].size() > A[P[i]].size())
			swap(A[i], A[P[i]]);
		for (auto [k, v] : A[i])
			A[P[i]][k] += v;
	}	
	long long ans = 0;
	for (auto [k, v] : A[1])
		ans += v;
	cout << ans << '\n';
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	296 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct

Subtask #2
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	77 ms	17252 KB	Output is correct
2	Correct	59 ms	10672 KB	Output is correct
3	Correct	247 ms	40220 KB	Output is correct
4	Correct	140 ms	18032 KB	Output is correct
5	Correct	172 ms	23220 KB	Output is correct

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	340 KB	Output is correct
2	Correct	1 ms	340 KB	Output is correct
3	Correct	1 ms	340 KB	Output is correct
4	Correct	106 ms	8368 KB	Output is correct
5	Correct	119 ms	12448 KB	Output is correct
6	Correct	119 ms	8612 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	112 ms	12448 KB	Output is correct
2	Correct	108 ms	11580 KB	Output is correct
3	Correct	122 ms	9896 KB	Output is correct
4	Correct	107 ms	13992 KB	Output is correct
5	Correct	97 ms	8616 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	296 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	114 ms	15484 KB	Output is correct
11	Correct	137 ms	14136 KB	Output is correct
12	Correct	95 ms	9364 KB	Output is correct
13	Correct	77 ms	13236 KB	Output is correct
14	Correct	88 ms	7960 KB	Output is correct

Subtask #6
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	7 ms	1876 KB	Output is correct
2	Correct	32 ms	7320 KB	Output is correct
3	Correct	33 ms	7280 KB	Output is correct
4	Correct	32 ms	7332 KB	Output is correct
5	Correct	18 ms	6808 KB	Output is correct
6	Correct	31 ms	7120 KB	Output is correct
7	Correct	31 ms	7160 KB	Output is correct

Subtask #7
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	296 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	1 ms	340 KB	Output is correct
11	Correct	1 ms	340 KB	Output is correct
12	Correct	1 ms	340 KB	Output is correct
13	Correct	106 ms	8368 KB	Output is correct
14	Correct	119 ms	12448 KB	Output is correct
15	Correct	119 ms	8612 KB	Output is correct
16	Correct	114 ms	15484 KB	Output is correct
17	Correct	137 ms	14136 KB	Output is correct
18	Correct	95 ms	9364 KB	Output is correct
19	Correct	77 ms	13236 KB	Output is correct
20	Correct	88 ms	7960 KB	Output is correct
21	Correct	25 ms	5024 KB	Output is correct
22	Correct	89 ms	17180 KB	Output is correct
23	Correct	110 ms	20836 KB	Output is correct
24	Correct	169 ms	31460 KB	Output is correct
25	Correct	122 ms	17208 KB	Output is correct
26	Correct	153 ms	17636 KB	Output is correct
27	Correct	120 ms	11164 KB	Output is correct

Subtask #8
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	212 KB	Output is correct
2	Correct	1 ms	296 KB	Output is correct
3	Correct	1 ms	212 KB	Output is correct
4	Correct	1 ms	212 KB	Output is correct
5	Correct	1 ms	212 KB	Output is correct
6	Correct	0 ms	212 KB	Output is correct
7	Correct	0 ms	212 KB	Output is correct
8	Correct	1 ms	212 KB	Output is correct
9	Correct	1 ms	212 KB	Output is correct
10	Correct	77 ms	17252 KB	Output is correct
11	Correct	59 ms	10672 KB	Output is correct
12	Correct	247 ms	40220 KB	Output is correct
13	Correct	140 ms	18032 KB	Output is correct
14	Correct	172 ms	23220 KB	Output is correct
15	Correct	1 ms	340 KB	Output is correct
16	Correct	1 ms	340 KB	Output is correct
17	Correct	1 ms	340 KB	Output is correct
18	Correct	106 ms	8368 KB	Output is correct
19	Correct	119 ms	12448 KB	Output is correct
20	Correct	119 ms	8612 KB	Output is correct
21	Correct	112 ms	12448 KB	Output is correct
22	Correct	108 ms	11580 KB	Output is correct
23	Correct	122 ms	9896 KB	Output is correct
24	Correct	107 ms	13992 KB	Output is correct
25	Correct	97 ms	8616 KB	Output is correct
26	Correct	114 ms	15484 KB	Output is correct
27	Correct	137 ms	14136 KB	Output is correct
28	Correct	95 ms	9364 KB	Output is correct
29	Correct	77 ms	13236 KB	Output is correct
30	Correct	88 ms	7960 KB	Output is correct
31	Correct	7 ms	1876 KB	Output is correct
32	Correct	32 ms	7320 KB	Output is correct
33	Correct	33 ms	7280 KB	Output is correct
34	Correct	32 ms	7332 KB	Output is correct
35	Correct	18 ms	6808 KB	Output is correct
36	Correct	31 ms	7120 KB	Output is correct
37	Correct	31 ms	7160 KB	Output is correct
38	Correct	25 ms	5024 KB	Output is correct
39	Correct	89 ms	17180 KB	Output is correct
40	Correct	110 ms	20836 KB	Output is correct
41	Correct	169 ms	31460 KB	Output is correct
42	Correct	122 ms	17208 KB	Output is correct
43	Correct	153 ms	17636 KB	Output is correct
44	Correct	120 ms	11164 KB	Output is correct
45	Correct	31 ms	5532 KB	Output is correct
46	Correct	103 ms	18460 KB	Output is correct
47	Correct	132 ms	22520 KB	Output is correct
48	Correct	204 ms	34764 KB	Output is correct
49	Correct	145 ms	18000 KB	Output is correct
50	Correct	191 ms	18508 KB	Output is correct
51	Correct	150 ms	12108 KB	Output is correct

Submission #654103

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