Submission #1086539

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
1086539	2024-09-11T02:09:31 Z	juicy	Magic Tree (CEOI19_magictree)	C++17	100 / 100	115 ms	37308 KB

magictree

#include <bits/stdc++.h>

using namespace std;

#ifdef LOCAL
#include "debug.h"
#else
#define debug(...) 42
#endif

const int N = 1e5 + 5;

int n, m, k;
int a[N], c[N];
vector<int> g[N];
map<int, long long> mp[N];

void dfs(int u) {
  for (auto v : g[u]) {
    dfs(v);
    if (mp[u].size() < mp[v].size()) {
      mp[u].swap(mp[v]);
    }
    for (auto [x, y] : mp[v]) {
      mp[u][x] += y;
    }
  }
  mp[u][a[u]] += c[u];
  for (auto it = mp[u].upper_bound(a[u]); it != mp[u].end(); it = mp[u].erase(it)) {
    auto &cnt = (*it).second;
    long long k = min(cnt, (long long) c[u]);
    c[u] -= k;
    cnt -= k;
    if (cnt) {
      break;
    }
  }
}

int main() {
  ios::sync_with_stdio(false); cin.tie(nullptr);

  cin >> n >> m >> k;
  for (int i = 2; i <= n; ++i) {
    int p; cin >> p;
    g[p].push_back(i);
  }
  while (m--) {
    int v, d, w; cin >> v >> d >> w;
    tie(a[v], c[v]) = tie(d, w);
  }
  dfs(1);
  long long res = 0;
  for (auto x : mp[1]) {
    res += x.second;
  }
  cout << res;
  return 0;
}

Subtask #1
6.0 / 6.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	7260 KB	Output is correct
2	Correct	3 ms	7260 KB	Output is correct
3	Correct	3 ms	7516 KB	Output is correct
4	Correct	4 ms	7308 KB	Output is correct
5	Correct	4 ms	7260 KB	Output is correct
6	Correct	3 ms	7516 KB	Output is correct
7	Correct	3 ms	7260 KB	Output is correct
8	Correct	3 ms	7260 KB	Output is correct
9	Correct	3 ms	7260 KB	Output is correct

Subtask #2
3.0 / 3.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	56 ms	21076 KB	Output is correct
2	Correct	49 ms	20052 KB	Output is correct
3	Correct	115 ms	37308 KB	Output is correct
4	Correct	55 ms	20684 KB	Output is correct
5	Correct	77 ms	21956 KB	Output is correct

Subtask #3
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	3 ms	7516 KB	Output is correct
2	Correct	3 ms	7664 KB	Output is correct
3	Correct	5 ms	7644 KB	Output is correct
4	Correct	36 ms	27228 KB	Output is correct
5	Correct	58 ms	31176 KB	Output is correct
6	Correct	51 ms	27416 KB	Output is correct

Subtask #4
12.0 / 12.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	40 ms	16212 KB	Output is correct
2	Correct	45 ms	15444 KB	Output is correct
3	Correct	40 ms	19540 KB	Output is correct
4	Correct	28 ms	16600 KB	Output is correct
5	Correct	35 ms	27484 KB	Output is correct

Subtask #5
16.0 / 16.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	7260 KB	Output is correct
2	Correct	3 ms	7260 KB	Output is correct
3	Correct	3 ms	7516 KB	Output is correct
4	Correct	4 ms	7308 KB	Output is correct
5	Correct	4 ms	7260 KB	Output is correct
6	Correct	3 ms	7516 KB	Output is correct
7	Correct	3 ms	7260 KB	Output is correct
8	Correct	3 ms	7260 KB	Output is correct
9	Correct	3 ms	7260 KB	Output is correct
10	Correct	47 ms	18516 KB	Output is correct
11	Correct	54 ms	17568 KB	Output is correct
12	Correct	33 ms	19036 KB	Output is correct
13	Correct	26 ms	15832 KB	Output is correct
14	Correct	34 ms	26972 KB	Output is correct

Subtask #6
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	8 ms	8908 KB	Output is correct
2	Correct	24 ms	13612 KB	Output is correct
3	Correct	22 ms	13648 KB	Output is correct
4	Correct	24 ms	13648 KB	Output is correct
5	Correct	14 ms	15068 KB	Output is correct
6	Correct	24 ms	16696 KB	Output is correct
7	Correct	20 ms	18268 KB	Output is correct

Subtask #7
22.0 / 22.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	7260 KB	Output is correct
2	Correct	3 ms	7260 KB	Output is correct
3	Correct	3 ms	7516 KB	Output is correct
4	Correct	4 ms	7308 KB	Output is correct
5	Correct	4 ms	7260 KB	Output is correct
6	Correct	3 ms	7516 KB	Output is correct
7	Correct	3 ms	7260 KB	Output is correct
8	Correct	3 ms	7260 KB	Output is correct
9	Correct	3 ms	7260 KB	Output is correct
10	Correct	3 ms	7516 KB	Output is correct
11	Correct	3 ms	7664 KB	Output is correct
12	Correct	5 ms	7644 KB	Output is correct
13	Correct	36 ms	27228 KB	Output is correct
14	Correct	58 ms	31176 KB	Output is correct
15	Correct	51 ms	27416 KB	Output is correct
16	Correct	47 ms	18516 KB	Output is correct
17	Correct	54 ms	17568 KB	Output is correct
18	Correct	33 ms	19036 KB	Output is correct
19	Correct	26 ms	15832 KB	Output is correct
20	Correct	34 ms	26972 KB	Output is correct
21	Correct	14 ms	11000 KB	Output is correct
22	Correct	52 ms	21060 KB	Output is correct
23	Correct	60 ms	24404 KB	Output is correct
24	Correct	87 ms	31056 KB	Output is correct
25	Correct	49 ms	19924 KB	Output is correct
26	Correct	67 ms	21840 KB	Output is correct
27	Correct	55 ms	20820 KB	Output is correct

Subtask #8
17.0 / 17.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	4 ms	7260 KB	Output is correct
2	Correct	3 ms	7260 KB	Output is correct
3	Correct	3 ms	7516 KB	Output is correct
4	Correct	4 ms	7308 KB	Output is correct
5	Correct	4 ms	7260 KB	Output is correct
6	Correct	3 ms	7516 KB	Output is correct
7	Correct	3 ms	7260 KB	Output is correct
8	Correct	3 ms	7260 KB	Output is correct
9	Correct	3 ms	7260 KB	Output is correct
10	Correct	56 ms	21076 KB	Output is correct
11	Correct	49 ms	20052 KB	Output is correct
12	Correct	115 ms	37308 KB	Output is correct
13	Correct	55 ms	20684 KB	Output is correct
14	Correct	77 ms	21956 KB	Output is correct
15	Correct	3 ms	7516 KB	Output is correct
16	Correct	3 ms	7664 KB	Output is correct
17	Correct	5 ms	7644 KB	Output is correct
18	Correct	36 ms	27228 KB	Output is correct
19	Correct	58 ms	31176 KB	Output is correct
20	Correct	51 ms	27416 KB	Output is correct
21	Correct	40 ms	16212 KB	Output is correct
22	Correct	45 ms	15444 KB	Output is correct
23	Correct	40 ms	19540 KB	Output is correct
24	Correct	28 ms	16600 KB	Output is correct
25	Correct	35 ms	27484 KB	Output is correct
26	Correct	47 ms	18516 KB	Output is correct
27	Correct	54 ms	17568 KB	Output is correct
28	Correct	33 ms	19036 KB	Output is correct
29	Correct	26 ms	15832 KB	Output is correct
30	Correct	34 ms	26972 KB	Output is correct
31	Correct	8 ms	8908 KB	Output is correct
32	Correct	24 ms	13612 KB	Output is correct
33	Correct	22 ms	13648 KB	Output is correct
34	Correct	24 ms	13648 KB	Output is correct
35	Correct	14 ms	15068 KB	Output is correct
36	Correct	24 ms	16696 KB	Output is correct
37	Correct	20 ms	18268 KB	Output is correct
38	Correct	14 ms	11000 KB	Output is correct
39	Correct	52 ms	21060 KB	Output is correct
40	Correct	60 ms	24404 KB	Output is correct
41	Correct	87 ms	31056 KB	Output is correct
42	Correct	49 ms	19924 KB	Output is correct
43	Correct	67 ms	21840 KB	Output is correct
44	Correct	55 ms	20820 KB	Output is correct
45	Correct	15 ms	11352 KB	Output is correct
46	Correct	53 ms	22100 KB	Output is correct
47	Correct	70 ms	25680 KB	Output is correct
48	Correct	91 ms	34220 KB	Output is correct
49	Correct	54 ms	20692 KB	Output is correct
50	Correct	66 ms	22864 KB	Output is correct
51	Correct	54 ms	21848 KB	Output is correct

Submission #1086539

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