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Submission #467798

# Submission time Handle Problem Language Result Execution time Memory
467798 2021-08-24T13:56:10 Z ivan_tudor Magic Tree (CEOI19_magictree) C++14
100 / 100
 159 ms 36980 KB 
#include<bits/stdc++.h>
using namespace std;
const int N = 100005;
vector<int> sons[N];
map<int, long long> dp[N];
pair<int, int> fruits[N];

void dfs(int nod){
  for(auto x: sons[nod]){
    dfs(x);
    if(dp[x].size() >  dp[nod].size())
      swap(dp[x], dp[nod]);
    for(auto vl : dp[x]){
      dp[nod][vl.first] += vl.second;
    }
  }
  if(fruits[nod].first == 0)
    return;
  long long d = fruits[nod].first, w = fruits[nod].second;
  dp[nod][d] += w;
  auto itr = dp[nod].upper_bound(d);
  while(itr != dp[nod].end() && w > 0){
    long long todel = min((*itr).second, w);
    w -= todel;
    (*itr).second -= todel;
    if((*itr).second == 0){
      itr = dp[nod].erase(itr);
    }
  }

}
int main()
{
  //freopen(".in","r",stdin);
  ios::sync_with_stdio(false);
  cin.tie(0),cout.tie(0);
  int n, m, k;
  cin>>n>>m>>k;
  for(int i = 2; i<=n; i++){
    int p;
    cin>>p;
    sons[p].push_back(i);
  }
  for(int i = 1; i <= m; i++){
    int v, d, w;
    cin>>v>>d>>w;
    fruits[v] = {d, w};
  }
  dfs(1);
  long long ans = 0;
  for(auto x: dp[1])
    ans += x.second;
  cout<<ans;
  return 0;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7372 KB Output is correct
2 Correct 5 ms 7244 KB Output is correct
3 Correct 5 ms 7244 KB Output is correct
4 Correct 5 ms 7244 KB Output is correct
5 Correct 5 ms 7244 KB Output is correct
6 Correct 5 ms 7272 KB Output is correct
7 Correct 6 ms 7360 KB Output is correct
8 Correct 5 ms 7372 KB Output is correct
9 Correct 5 ms 7320 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 76 ms 18372 KB Output is correct
2 Correct 49 ms 18972 KB Output is correct
3 Correct 157 ms 36980 KB Output is correct
4 Correct 94 ms 19916 KB Output is correct
5 Correct 141 ms 21724 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7412 KB Output is correct
2 Correct 5 ms 7432 KB Output is correct
3 Correct 6 ms 7548 KB Output is correct
4 Correct 61 ms 25700 KB Output is correct
5 Correct 84 ms 29640 KB Output is correct
6 Correct 76 ms 25668 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 78 ms 15500 KB Output is correct
2 Correct 76 ms 14656 KB Output is correct
3 Correct 70 ms 18888 KB Output is correct
4 Correct 50 ms 15816 KB Output is correct
5 Correct 59 ms 25900 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7372 KB Output is correct
2 Correct 5 ms 7244 KB Output is correct
3 Correct 5 ms 7244 KB Output is correct
4 Correct 5 ms 7244 KB Output is correct
5 Correct 5 ms 7244 KB Output is correct
6 Correct 5 ms 7272 KB Output is correct
7 Correct 6 ms 7360 KB Output is correct
8 Correct 5 ms 7372 KB Output is correct
9 Correct 5 ms 7320 KB Output is correct
10 Correct 89 ms 17740 KB Output is correct
11 Correct 91 ms 16644 KB Output is correct
12 Correct 79 ms 18184 KB Output is correct
13 Correct 46 ms 15188 KB Output is correct
14 Correct 56 ms 25200 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 8140 KB Output is correct
2 Correct 34 ms 10436 KB Output is correct
3 Correct 38 ms 10468 KB Output is correct
4 Correct 43 ms 10436 KB Output is correct
5 Correct 15 ms 8780 KB Output is correct
6 Correct 32 ms 12620 KB Output is correct
7 Correct 35 ms 16212 KB Output is correct

Subtask #7
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7372 KB Output is correct
2 Correct 5 ms 7244 KB Output is correct
3 Correct 5 ms 7244 KB Output is correct
4 Correct 5 ms 7244 KB Output is correct
5 Correct 5 ms 7244 KB Output is correct
6 Correct 5 ms 7272 KB Output is correct
7 Correct 6 ms 7360 KB Output is correct
8 Correct 5 ms 7372 KB Output is correct
9 Correct 5 ms 7320 KB Output is correct
10 Correct 5 ms 7412 KB Output is correct
11 Correct 5 ms 7432 KB Output is correct
12 Correct 6 ms 7548 KB Output is correct
13 Correct 61 ms 25700 KB Output is correct
14 Correct 84 ms 29640 KB Output is correct
15 Correct 76 ms 25668 KB Output is correct
16 Correct 89 ms 17740 KB Output is correct
17 Correct 91 ms 16644 KB Output is correct
18 Correct 79 ms 18184 KB Output is correct
19 Correct 46 ms 15188 KB Output is correct
20 Correct 56 ms 25200 KB Output is correct
21 Correct 24 ms 10700 KB Output is correct
22 Correct 87 ms 18664 KB Output is correct
23 Correct 88 ms 21920 KB Output is correct
24 Correct 136 ms 30216 KB Output is correct
25 Correct 99 ms 19276 KB Output is correct
26 Correct 124 ms 21060 KB Output is correct
27 Correct 87 ms 20096 KB Output is correct

Subtask #8
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 7372 KB Output is correct
2 Correct 5 ms 7244 KB Output is correct
3 Correct 5 ms 7244 KB Output is correct
4 Correct 5 ms 7244 KB Output is correct
5 Correct 5 ms 7244 KB Output is correct
6 Correct 5 ms 7272 KB Output is correct
7 Correct 6 ms 7360 KB Output is correct
8 Correct 5 ms 7372 KB Output is correct
9 Correct 5 ms 7320 KB Output is correct
10 Correct 76 ms 18372 KB Output is correct
11 Correct 49 ms 18972 KB Output is correct
12 Correct 157 ms 36980 KB Output is correct
13 Correct 94 ms 19916 KB Output is correct
14 Correct 141 ms 21724 KB Output is correct
15 Correct 5 ms 7412 KB Output is correct
16 Correct 5 ms 7432 KB Output is correct
17 Correct 6 ms 7548 KB Output is correct
18 Correct 61 ms 25700 KB Output is correct
19 Correct 84 ms 29640 KB Output is correct
20 Correct 76 ms 25668 KB Output is correct
21 Correct 78 ms 15500 KB Output is correct
22 Correct 76 ms 14656 KB Output is correct
23 Correct 70 ms 18888 KB Output is correct
24 Correct 50 ms 15816 KB Output is correct
25 Correct 59 ms 25900 KB Output is correct
26 Correct 89 ms 17740 KB Output is correct
27 Correct 91 ms 16644 KB Output is correct
28 Correct 79 ms 18184 KB Output is correct
29 Correct 46 ms 15188 KB Output is correct
30 Correct 56 ms 25200 KB Output is correct
31 Correct 9 ms 8140 KB Output is correct
32 Correct 34 ms 10436 KB Output is correct
33 Correct 38 ms 10468 KB Output is correct
34 Correct 43 ms 10436 KB Output is correct
35 Correct 15 ms 8780 KB Output is correct
36 Correct 32 ms 12620 KB Output is correct
37 Correct 35 ms 16212 KB Output is correct
38 Correct 24 ms 10700 KB Output is correct
39 Correct 87 ms 18664 KB Output is correct
40 Correct 88 ms 21920 KB Output is correct
41 Correct 136 ms 30216 KB Output is correct
42 Correct 99 ms 19276 KB Output is correct
43 Correct 124 ms 21060 KB Output is correct
44 Correct 87 ms 20096 KB Output is correct
45 Correct 26 ms 11088 KB Output is correct
46 Correct 84 ms 19752 KB Output is correct
47 Correct 102 ms 23292 KB Output is correct
48 Correct 159 ms 33272 KB Output is correct
49 Correct 92 ms 19924 KB Output is correct
50 Correct 121 ms 22084 KB Output is correct
51 Correct 101 ms 20900 KB Output is correct