Submission #655972

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
655972	2022-11-06T08:00:54 Z	lunchbox1	Magic Tree (CEOI19_magictree)	C++17	100 / 100	279 ms	40248 KB

magictree

/*
 Magic Tree
 https://oj.uz/problem/view/CEOI19_magictree
*/
#include <bits/stdc++.h>
using namespace std;
 
const int N = 1e5;
 
int main() {
 ios::sync_with_stdio(0), cin.tie(0);
 int n, m, k; cin >> n >> m >> k;
 static int p[N];
 for (int i = 1; i < n; i++) cin >> p[i], p[i]--;
 static pair<int, int> e[N];
 while (m--) {
  int i, d, w; cin >> i >> d >> w, i--;
  e[i] = {d, w};
 }
 static map<int, long long> f[N];
 for (int i = n - 1; i > 0; i--) {
  if (e[i] != make_pair(0, 0)) {
   auto [d, w] = e[i];
   f[i][d] += w;
   auto it = f[i].upper_bound(d);
   while (w > 0 && it != f[i].end()) {
    long long u = min((long long) w, it->second);
    w -= u, it->second -= u, ++it;
   }
  }
  int j = p[i];
  if (f[i].size() > f[j].size()) swap(f[i], f[j]);
  for (auto [k, v] : f[i]) f[j][k] += v;
 }
 long long ans = 0;
 for (auto [k, v] : f[0]) ans += v;
 cout << ans << '\n';
 return 0;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	3 ms	4948 KB	Output is correct
3	Correct	4 ms	4948 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4932 KB	Output is correct
7	Correct	3 ms	4940 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	2 ms	4936 KB	Output is correct

Subtask #2
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	44 ms	16832 KB	Output is correct
2	Correct	26 ms	9600 KB	Output is correct
3	Correct	146 ms	39864 KB	Output is correct
4	Correct	83 ms	17592 KB	Output is correct
5	Correct	101 ms	22784 KB	Output is correct

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	5076 KB	Output is correct
2	Correct	3 ms	5076 KB	Output is correct
3	Correct	3 ms	4948 KB	Output is correct
4	Correct	58 ms	11980 KB	Output is correct
5	Correct	57 ms	12056 KB	Output is correct
6	Correct	279 ms	12072 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	47 ms	12212 KB	Output is correct
2	Correct	39 ms	11064 KB	Output is correct
3	Correct	36 ms	9500 KB	Output is correct
4	Correct	47 ms	13512 KB	Output is correct
5	Correct	36 ms	8288 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	3 ms	4948 KB	Output is correct
3	Correct	4 ms	4948 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4932 KB	Output is correct
7	Correct	3 ms	4940 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	2 ms	4936 KB	Output is correct
10	Correct	62 ms	16576 KB	Output is correct
11	Correct	51 ms	14796 KB	Output is correct
12	Correct	32 ms	8896 KB	Output is correct
13	Correct	36 ms	12836 KB	Output is correct
14	Correct	30 ms	7612 KB	Output is correct

Subtask #6
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	6 ms	5588 KB	Output is correct
2	Correct	12 ms	6860 KB	Output is correct
3	Correct	12 ms	6860 KB	Output is correct
4	Correct	12 ms	6992 KB	Output is correct
5	Correct	11 ms	6460 KB	Output is correct
6	Correct	12 ms	6824 KB	Output is correct
7	Correct	13 ms	6812 KB	Output is correct

Subtask #7
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	3 ms	4948 KB	Output is correct
3	Correct	4 ms	4948 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4932 KB	Output is correct
7	Correct	3 ms	4940 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	2 ms	4936 KB	Output is correct
10	Correct	3 ms	5076 KB	Output is correct
11	Correct	3 ms	5076 KB	Output is correct
12	Correct	3 ms	4948 KB	Output is correct
13	Correct	58 ms	11980 KB	Output is correct
14	Correct	57 ms	12056 KB	Output is correct
15	Correct	279 ms	12072 KB	Output is correct
16	Correct	62 ms	16576 KB	Output is correct
17	Correct	51 ms	14796 KB	Output is correct
18	Correct	32 ms	8896 KB	Output is correct
19	Correct	36 ms	12836 KB	Output is correct
20	Correct	30 ms	7612 KB	Output is correct
21	Correct	19 ms	9812 KB	Output is correct
22	Correct	68 ms	18920 KB	Output is correct
23	Correct	76 ms	23992 KB	Output is correct
24	Correct	147 ms	40128 KB	Output is correct
25	Correct	67 ms	16820 KB	Output is correct
26	Correct	101 ms	19204 KB	Output is correct
27	Correct	92 ms	15180 KB	Output is correct

Subtask #8
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	4948 KB	Output is correct
2	Correct	3 ms	4948 KB	Output is correct
3	Correct	4 ms	4948 KB	Output is correct
4	Correct	3 ms	4948 KB	Output is correct
5	Correct	3 ms	4948 KB	Output is correct
6	Correct	3 ms	4932 KB	Output is correct
7	Correct	3 ms	4940 KB	Output is correct
8	Correct	3 ms	4948 KB	Output is correct
9	Correct	2 ms	4936 KB	Output is correct
10	Correct	44 ms	16832 KB	Output is correct
11	Correct	26 ms	9600 KB	Output is correct
12	Correct	146 ms	39864 KB	Output is correct
13	Correct	83 ms	17592 KB	Output is correct
14	Correct	101 ms	22784 KB	Output is correct
15	Correct	3 ms	5076 KB	Output is correct
16	Correct	3 ms	5076 KB	Output is correct
17	Correct	3 ms	4948 KB	Output is correct
18	Correct	58 ms	11980 KB	Output is correct
19	Correct	57 ms	12056 KB	Output is correct
20	Correct	279 ms	12072 KB	Output is correct
21	Correct	47 ms	12212 KB	Output is correct
22	Correct	39 ms	11064 KB	Output is correct
23	Correct	36 ms	9500 KB	Output is correct
24	Correct	47 ms	13512 KB	Output is correct
25	Correct	36 ms	8288 KB	Output is correct
26	Correct	62 ms	16576 KB	Output is correct
27	Correct	51 ms	14796 KB	Output is correct
28	Correct	32 ms	8896 KB	Output is correct
29	Correct	36 ms	12836 KB	Output is correct
30	Correct	30 ms	7612 KB	Output is correct
31	Correct	6 ms	5588 KB	Output is correct
32	Correct	12 ms	6860 KB	Output is correct
33	Correct	12 ms	6860 KB	Output is correct
34	Correct	12 ms	6992 KB	Output is correct
35	Correct	11 ms	6460 KB	Output is correct
36	Correct	12 ms	6824 KB	Output is correct
37	Correct	13 ms	6812 KB	Output is correct
38	Correct	19 ms	9812 KB	Output is correct
39	Correct	68 ms	18920 KB	Output is correct
40	Correct	76 ms	23992 KB	Output is correct
41	Correct	147 ms	40128 KB	Output is correct
42	Correct	67 ms	16820 KB	Output is correct
43	Correct	101 ms	19204 KB	Output is correct
44	Correct	92 ms	15180 KB	Output is correct
45	Correct	21 ms	9884 KB	Output is correct
46	Correct	61 ms	19452 KB	Output is correct
47	Correct	95 ms	24384 KB	Output is correct
48	Correct	142 ms	40248 KB	Output is correct
49	Correct	69 ms	17592 KB	Output is correct
50	Correct	102 ms	19896 KB	Output is correct
51	Correct	120 ms	15924 KB	Output is correct

Submission #655972

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