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Submission #514963

# Submission time Handle Problem Language Result Execution time Memory
514963 2022-01-18T23:25:16 Z CrouchingDragon Magic Tree (CEOI19_magictree) C++17
100 / 100
 126 ms 37860 KB 
#include <bits/stdc++.h>
int main() {
  std::ios_base::sync_with_stdio(false);
  std::cin.tie(nullptr);
  int N, M, K;
  std::cin >> N >> M >> K;
  std::vector<int> p(N);
  for (int u = 1; u < N; ++u) {
    std::cin >> p[u];
    --p[u];
  }
  std::vector<int> d(N), w(N);
  for (int j = 0; j < M; ++j) {
    int v;
    std::cin >> v;
    --v;
    std::cin >> d[v] >> w[v];
  }
  std::vector<std::map<int, int64_t>> s(N);
  for (int u = N - 1; u > 0; --u) {
    auto iter = s[u].insert({d[u], 0}).first;
    iter->second += w[u];
    ++iter;
    if (iter != s[u].end()) {
      int64_t sum = -w[u];
      while (iter != s[u].end() && iter->second + sum < 0) {
        sum += iter->second;
        iter = s[u].erase(iter);
      }
      if (iter != s[u].end()) {
        iter->second += sum;
      }
    }
    int v = p[u];
    if (s[v].size() < s[u].size()) {
      std::swap(s[v], s[u]);
    }
    for (auto [d, w] : s[u]) {
      s[v][d] += w;
    }
  }
  int64_t sum = 0;
  for (auto [d, w] : s[0]) {
    sum += w;
  }
  std::cout << sum << '\n';
  exit(0);
}

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 0 ms 204 KB Output is correct
5 Correct 1 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 46 ms 18640 KB Output is correct
2 Correct 26 ms 9232 KB Output is correct
3 Correct 126 ms 37860 KB Output is correct
4 Correct 65 ms 16068 KB Output is correct
5 Correct 91 ms 20568 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 38 ms 6112 KB Output is correct
5 Correct 48 ms 10068 KB Output is correct
6 Correct 41 ms 6252 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 50 ms 10704 KB Output is correct
2 Correct 40 ms 9728 KB Output is correct
3 Correct 41 ms 7504 KB Output is correct
4 Correct 50 ms 12372 KB Output is correct
5 Correct 31 ms 6092 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 0 ms 204 KB Output is correct
5 Correct 1 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 59 ms 15812 KB Output is correct
11 Correct 55 ms 14084 KB Output is correct
12 Correct 30 ms 7588 KB Output is correct
13 Correct 29 ms 12348 KB Output is correct
14 Correct 28 ms 6108 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2252 KB Output is correct
2 Correct 20 ms 9464 KB Output is correct
3 Correct 17 ms 9456 KB Output is correct
4 Correct 18 ms 9576 KB Output is correct
5 Correct 15 ms 12448 KB Output is correct
6 Correct 18 ms 9932 KB Output is correct
7 Correct 20 ms 7372 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 0 ms 204 KB Output is correct
5 Correct 1 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 38 ms 6112 KB Output is correct
14 Correct 48 ms 10068 KB Output is correct
15 Correct 41 ms 6252 KB Output is correct
16 Correct 59 ms 15812 KB Output is correct
17 Correct 55 ms 14084 KB Output is correct
18 Correct 30 ms 7588 KB Output is correct
19 Correct 29 ms 12348 KB Output is correct
20 Correct 28 ms 6108 KB Output is correct
21 Correct 18 ms 5784 KB Output is correct
22 Correct 55 ms 20104 KB Output is correct
23 Correct 68 ms 24900 KB Output is correct
24 Correct 113 ms 37720 KB Output is correct
25 Correct 63 ms 16060 KB Output is correct
26 Correct 78 ms 16992 KB Output is correct
27 Correct 51 ms 10068 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 0 ms 204 KB Output is correct
5 Correct 1 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 46 ms 18640 KB Output is correct
11 Correct 26 ms 9232 KB Output is correct
12 Correct 126 ms 37860 KB Output is correct
13 Correct 65 ms 16068 KB Output is correct
14 Correct 91 ms 20568 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 38 ms 6112 KB Output is correct
19 Correct 48 ms 10068 KB Output is correct
20 Correct 41 ms 6252 KB Output is correct
21 Correct 50 ms 10704 KB Output is correct
22 Correct 40 ms 9728 KB Output is correct
23 Correct 41 ms 7504 KB Output is correct
24 Correct 50 ms 12372 KB Output is correct
25 Correct 31 ms 6092 KB Output is correct
26 Correct 59 ms 15812 KB Output is correct
27 Correct 55 ms 14084 KB Output is correct
28 Correct 30 ms 7588 KB Output is correct
29 Correct 29 ms 12348 KB Output is correct
30 Correct 28 ms 6108 KB Output is correct
31 Correct 4 ms 2252 KB Output is correct
32 Correct 20 ms 9464 KB Output is correct
33 Correct 17 ms 9456 KB Output is correct
34 Correct 18 ms 9576 KB Output is correct
35 Correct 15 ms 12448 KB Output is correct
36 Correct 18 ms 9932 KB Output is correct
37 Correct 20 ms 7372 KB Output is correct
38 Correct 18 ms 5784 KB Output is correct
39 Correct 55 ms 20104 KB Output is correct
40 Correct 68 ms 24900 KB Output is correct
41 Correct 113 ms 37720 KB Output is correct
42 Correct 63 ms 16060 KB Output is correct
43 Correct 78 ms 16992 KB Output is correct
44 Correct 51 ms 10068 KB Output is correct
45 Correct 19 ms 5268 KB Output is correct
46 Correct 58 ms 19012 KB Output is correct
47 Correct 69 ms 23104 KB Output is correct
48 Correct 113 ms 32936 KB Output is correct
49 Correct 68 ms 16052 KB Output is correct
50 Correct 83 ms 16300 KB Output is correct
51 Correct 57 ms 9428 KB Output is correct