Submission #500980

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
500980	2022-01-01T21:07:54 Z	sidon	Magic Tree (CEOI19_magictree)	C++17	100 / 100	168 ms	35864 KB

magictree

#include <bits/stdc++.h>
using namespace std;
#define int long long
 
signed main(){
	ios_base::sync_with_stdio(0); cin.tie(0);
 
	int N, M, K, res = 0, u;
	cin >> N >> M >> K;
 
	vector<int> g[N];
	int d[N] {}, w[N] {};
	map<int, int> dp[N];

	for(int i = 1; i < N; i++) 
		cin >> u, g[u-1].push_back(i);
	while(M--) 
		cin >> u >> d[u-1] >> w[u-1];
 
	for(u = N; --u >= 0; ) {
		int h = 0;
		for(int v : g[u])
			if(size(dp[v]) > size(dp[h])) h = v;
 
		dp[h].swap(dp[u]);
		for(int v : g[u]) if(v != h)
			for(auto &[i, j] : dp[v])
				dp[u][i] += j;
 
		dp[u][d[u]] += w[u];
 
		auto f = dp[u].upper_bound(d[u]);
		while(f != end(dp[u]) && (f->second -= w[u]) < 0)
			w[u] = -f->second, f = dp[u].erase(f);
	}
 
	for(auto &[i, j] : dp[0]) res += j;
	cout << res;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct

Subtask #2
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	56 ms	21008 KB	Output is correct
2	Correct	34 ms	14404 KB	Output is correct
3	Correct	109 ms	34804 KB	Output is correct
4	Correct	61 ms	19588 KB	Output is correct
5	Correct	79 ms	19412 KB	Output is correct

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	1 ms	332 KB	Output is correct
2	Correct	1 ms	332 KB	Output is correct
3	Correct	1 ms	332 KB	Output is correct
4	Correct	42 ms	12028 KB	Output is correct
5	Correct	61 ms	15880 KB	Output is correct
6	Correct	57 ms	12060 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	61 ms	15140 KB	Output is correct
2	Correct	69 ms	14264 KB	Output is correct
3	Correct	46 ms	12664 KB	Output is correct
4	Correct	40 ms	15856 KB	Output is correct
5	Correct	51 ms	12004 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	68 ms	19148 KB	Output is correct
11	Correct	64 ms	17988 KB	Output is correct
12	Correct	61 ms	12620 KB	Output is correct
13	Correct	36 ms	15852 KB	Output is correct
14	Correct	35 ms	11980 KB	Output is correct

Subtask #6
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	3148 KB	Output is correct
2	Correct	35 ms	13976 KB	Output is correct
3	Correct	31 ms	14028 KB	Output is correct
4	Correct	31 ms	14156 KB	Output is correct
5	Correct	20 ms	15968 KB	Output is correct
6	Correct	31 ms	14340 KB	Output is correct
7	Correct	27 ms	12736 KB	Output is correct

Subtask #7
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	1 ms	332 KB	Output is correct
11	Correct	1 ms	332 KB	Output is correct
12	Correct	1 ms	332 KB	Output is correct
13	Correct	42 ms	12028 KB	Output is correct
14	Correct	61 ms	15880 KB	Output is correct
15	Correct	57 ms	12060 KB	Output is correct
16	Correct	68 ms	19148 KB	Output is correct
17	Correct	64 ms	17988 KB	Output is correct
18	Correct	61 ms	12620 KB	Output is correct
19	Correct	36 ms	15852 KB	Output is correct
20	Correct	35 ms	11980 KB	Output is correct
21	Correct	17 ms	5760 KB	Output is correct
22	Correct	71 ms	22288 KB	Output is correct
23	Correct	85 ms	26528 KB	Output is correct
24	Correct	168 ms	35864 KB	Output is correct
25	Correct	64 ms	19560 KB	Output is correct
26	Correct	98 ms	19176 KB	Output is correct
27	Correct	70 ms	15056 KB	Output is correct

Subtask #8
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	204 KB	Output is correct
2	Correct	0 ms	204 KB	Output is correct
3	Correct	0 ms	204 KB	Output is correct
4	Correct	1 ms	204 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	1 ms	204 KB	Output is correct
7	Correct	0 ms	204 KB	Output is correct
8	Correct	0 ms	204 KB	Output is correct
9	Correct	1 ms	204 KB	Output is correct
10	Correct	56 ms	21008 KB	Output is correct
11	Correct	34 ms	14404 KB	Output is correct
12	Correct	109 ms	34804 KB	Output is correct
13	Correct	61 ms	19588 KB	Output is correct
14	Correct	79 ms	19412 KB	Output is correct
15	Correct	1 ms	332 KB	Output is correct
16	Correct	1 ms	332 KB	Output is correct
17	Correct	1 ms	332 KB	Output is correct
18	Correct	42 ms	12028 KB	Output is correct
19	Correct	61 ms	15880 KB	Output is correct
20	Correct	57 ms	12060 KB	Output is correct
21	Correct	61 ms	15140 KB	Output is correct
22	Correct	69 ms	14264 KB	Output is correct
23	Correct	46 ms	12664 KB	Output is correct
24	Correct	40 ms	15856 KB	Output is correct
25	Correct	51 ms	12004 KB	Output is correct
26	Correct	68 ms	19148 KB	Output is correct
27	Correct	64 ms	17988 KB	Output is correct
28	Correct	61 ms	12620 KB	Output is correct
29	Correct	36 ms	15852 KB	Output is correct
30	Correct	35 ms	11980 KB	Output is correct
31	Correct	6 ms	3148 KB	Output is correct
32	Correct	35 ms	13976 KB	Output is correct
33	Correct	31 ms	14028 KB	Output is correct
34	Correct	31 ms	14156 KB	Output is correct
35	Correct	20 ms	15968 KB	Output is correct
36	Correct	31 ms	14340 KB	Output is correct
37	Correct	27 ms	12736 KB	Output is correct
38	Correct	17 ms	5760 KB	Output is correct
39	Correct	71 ms	22288 KB	Output is correct
40	Correct	85 ms	26528 KB	Output is correct
41	Correct	168 ms	35864 KB	Output is correct
42	Correct	64 ms	19560 KB	Output is correct
43	Correct	98 ms	19176 KB	Output is correct
44	Correct	70 ms	15056 KB	Output is correct
45	Correct	21 ms	5324 KB	Output is correct
46	Correct	93 ms	21432 KB	Output is correct
47	Correct	87 ms	24752 KB	Output is correct
48	Correct	123 ms	32324 KB	Output is correct
49	Correct	68 ms	19644 KB	Output is correct
50	Correct	90 ms	18516 KB	Output is correct
51	Correct	90 ms	14468 KB	Output is correct

Submission #500980

Compilation message