Submission #500979

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
500979	2022-01-01T21:04:36 Z	sidon	Magic Tree (CEOI19_magictree)	C++17	100 / 100	149 ms	37624 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;
	cin >> N >> M >> K;
 
	vector<int> g[N];
	int d[N] {}, w[N] {};
	for(int i = 1; i < N; i++) {
		int p; cin >> p;
		g[p-1].push_back(i);
	}
	while(M--) {
		int u;
		cin >> u >> d[u-1] >> w[u-1];
	}
	map<int, int> dp[N];
 
	for(int 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	312 KB	Output is correct
2	Correct	0 ms	308 KB	Output is correct
3	Correct	1 ms	308 KB	Output is correct
4	Correct	0 ms	216 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	312 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	55 ms	22000 KB	Output is correct
2	Correct	35 ms	15468 KB	Output is correct
3	Correct	112 ms	37164 KB	Output is correct
4	Correct	62 ms	21780 KB	Output is correct
5	Correct	84 ms	21864 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	460 KB	Output is correct
4	Correct	42 ms	13892 KB	Output is correct
5	Correct	61 ms	17812 KB	Output is correct
6	Correct	56 ms	13992 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	56 ms	17220 KB	Output is correct
2	Correct	60 ms	16456 KB	Output is correct
3	Correct	47 ms	14832 KB	Output is correct
4	Correct	40 ms	17660 KB	Output is correct
5	Correct	42 ms	14048 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	312 KB	Output is correct
2	Correct	0 ms	308 KB	Output is correct
3	Correct	1 ms	308 KB	Output is correct
4	Correct	0 ms	216 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	312 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	65 ms	20516 KB	Output is correct
11	Correct	71 ms	19400 KB	Output is correct
12	Correct	45 ms	14160 KB	Output is correct
13	Correct	35 ms	17024 KB	Output is correct
14	Correct	47 ms	13476 KB	Output is correct

Subtask #6
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	3296 KB	Output is correct
2	Correct	31 ms	14632 KB	Output is correct
3	Correct	30 ms	14560 KB	Output is correct
4	Correct	33 ms	14908 KB	Output is correct
5	Correct	19 ms	16196 KB	Output is correct
6	Correct	29 ms	14952 KB	Output is correct
7	Correct	24 ms	13252 KB	Output is correct

Subtask #7
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	312 KB	Output is correct
2	Correct	0 ms	308 KB	Output is correct
3	Correct	1 ms	308 KB	Output is correct
4	Correct	0 ms	216 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	312 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	460 KB	Output is correct
13	Correct	42 ms	13892 KB	Output is correct
14	Correct	61 ms	17812 KB	Output is correct
15	Correct	56 ms	13992 KB	Output is correct
16	Correct	65 ms	20516 KB	Output is correct
17	Correct	71 ms	19400 KB	Output is correct
18	Correct	45 ms	14160 KB	Output is correct
19	Correct	35 ms	17024 KB	Output is correct
20	Correct	47 ms	13476 KB	Output is correct
21	Correct	17 ms	6092 KB	Output is correct
22	Correct	68 ms	23412 KB	Output is correct
23	Correct	86 ms	27772 KB	Output is correct
24	Correct	149 ms	37624 KB	Output is correct
25	Correct	61 ms	21068 KB	Output is correct
26	Correct	83 ms	20988 KB	Output is correct
27	Correct	72 ms	16860 KB	Output is correct

Subtask #8
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	0 ms	312 KB	Output is correct
2	Correct	0 ms	308 KB	Output is correct
3	Correct	1 ms	308 KB	Output is correct
4	Correct	0 ms	216 KB	Output is correct
5	Correct	0 ms	204 KB	Output is correct
6	Correct	0 ms	312 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	55 ms	22000 KB	Output is correct
11	Correct	35 ms	15468 KB	Output is correct
12	Correct	112 ms	37164 KB	Output is correct
13	Correct	62 ms	21780 KB	Output is correct
14	Correct	84 ms	21864 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	460 KB	Output is correct
18	Correct	42 ms	13892 KB	Output is correct
19	Correct	61 ms	17812 KB	Output is correct
20	Correct	56 ms	13992 KB	Output is correct
21	Correct	56 ms	17220 KB	Output is correct
22	Correct	60 ms	16456 KB	Output is correct
23	Correct	47 ms	14832 KB	Output is correct
24	Correct	40 ms	17660 KB	Output is correct
25	Correct	42 ms	14048 KB	Output is correct
26	Correct	65 ms	20516 KB	Output is correct
27	Correct	71 ms	19400 KB	Output is correct
28	Correct	45 ms	14160 KB	Output is correct
29	Correct	35 ms	17024 KB	Output is correct
30	Correct	47 ms	13476 KB	Output is correct
31	Correct	6 ms	3296 KB	Output is correct
32	Correct	31 ms	14632 KB	Output is correct
33	Correct	30 ms	14560 KB	Output is correct
34	Correct	33 ms	14908 KB	Output is correct
35	Correct	19 ms	16196 KB	Output is correct
36	Correct	29 ms	14952 KB	Output is correct
37	Correct	24 ms	13252 KB	Output is correct
38	Correct	17 ms	6092 KB	Output is correct
39	Correct	68 ms	23412 KB	Output is correct
40	Correct	86 ms	27772 KB	Output is correct
41	Correct	149 ms	37624 KB	Output is correct
42	Correct	61 ms	21068 KB	Output is correct
43	Correct	83 ms	20988 KB	Output is correct
44	Correct	72 ms	16860 KB	Output is correct
45	Correct	24 ms	5828 KB	Output is correct
46	Correct	74 ms	22852 KB	Output is correct
47	Correct	79 ms	26276 KB	Output is correct
48	Correct	119 ms	34776 KB	Output is correct
49	Correct	77 ms	21760 KB	Output is correct
50	Correct	90 ms	20964 KB	Output is correct
51	Correct	80 ms	16860 KB	Output is correct

Submission #500979

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