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Submission #447318

# Submission time Handle Problem Language Result Execution time Memory
447318 2021-07-26T04:36:31 Z SirCovidThe19th Magic Tree (CEOI19_magictree) C++14
100 / 100
 218 ms 31148 KB 
#include <bits/stdc++.h>
using namespace std; 

#define ll long long
#define mil map<int, ll>
#define f first
#define s second

const int mx = 1e5+5;

int n, m, k; pair<int, int> F[mx]; vector<int> adj[mx]; ll ans = 0;

void dfs(mil &mp, int i){
    for (int x : adj[i]){
        mil tmp; dfs(tmp, x);
        if (tmp.size() > mp.size()) swap(mp, tmp);
        for (auto elem : tmp) mp[elem.f] += elem.s;
    }if (F[i].f){
        mp[F[i].f] += F[i].s;
        auto it = mp.upper_bound(F[i].f); 
        for (ll diff = 0; it != mp.end();){
            int pos = it->f; diff += it->s; it = mp.erase(it);
            if (diff > F[i].s){ mp[pos] = diff-F[i].s; break; }
        }
    }
}

int main(){
    cin >> n >> m >> k;
    for (int i = 1; i < n; i++){ int a; cin >> a; adj[a-1].push_back(i); }
    for (int i = 0; i < m; i++){ int v, d, w; cin >> v >> d >> w; F[v-1] = {d, w}; }
    mil mp; dfs(mp, 0); for (auto x : mp){ ans += x.s; } cout<<ans<<endl;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 97 ms 7832 KB Output is correct
2 Correct 85 ms 15492 KB Output is correct
3 Correct 218 ms 11272 KB Output is correct
4 Correct 161 ms 9576 KB Output is correct
5 Correct 172 ms 11972 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 2764 KB Output is correct
2 Correct 3 ms 2784 KB Output is correct
3 Correct 3 ms 2892 KB Output is correct
4 Correct 145 ms 27272 KB Output is correct
5 Correct 167 ms 31148 KB Output is correct
6 Correct 166 ms 27184 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 7068 KB Output is correct
2 Correct 136 ms 7128 KB Output is correct
3 Correct 140 ms 15452 KB Output is correct
4 Correct 111 ms 5692 KB Output is correct
5 Correct 141 ms 27608 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 128 ms 6592 KB Output is correct
11 Correct 127 ms 6352 KB Output is correct
12 Correct 128 ms 14868 KB Output is correct
13 Correct 92 ms 5052 KB Output is correct
14 Correct 123 ms 27000 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 3276 KB Output is correct
2 Correct 47 ms 5548 KB Output is correct
3 Correct 48 ms 5572 KB Output is correct
4 Correct 48 ms 5592 KB Output is correct
5 Correct 23 ms 4032 KB Output is correct
6 Correct 53 ms 9140 KB Output is correct
7 Correct 53 ms 14020 KB Output is correct

Subtask #7
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 3 ms 2764 KB Output is correct
11 Correct 3 ms 2784 KB Output is correct
12 Correct 3 ms 2892 KB Output is correct
13 Correct 145 ms 27272 KB Output is correct
14 Correct 167 ms 31148 KB Output is correct
15 Correct 166 ms 27184 KB Output is correct
16 Correct 128 ms 6592 KB Output is correct
17 Correct 127 ms 6352 KB Output is correct
18 Correct 128 ms 14868 KB Output is correct
19 Correct 92 ms 5052 KB Output is correct
20 Correct 123 ms 27000 KB Output is correct
21 Correct 32 ms 3692 KB Output is correct
22 Correct 108 ms 6588 KB Output is correct
23 Correct 125 ms 8448 KB Output is correct
24 Correct 185 ms 10084 KB Output is correct
25 Correct 124 ms 8892 KB Output is correct
26 Correct 168 ms 14268 KB Output is correct
27 Correct 168 ms 16816 KB Output is correct

Subtask #8
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 2 ms 2652 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2652 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2636 KB Output is correct
10 Correct 97 ms 7832 KB Output is correct
11 Correct 85 ms 15492 KB Output is correct
12 Correct 218 ms 11272 KB Output is correct
13 Correct 161 ms 9576 KB Output is correct
14 Correct 172 ms 11972 KB Output is correct
15 Correct 3 ms 2764 KB Output is correct
16 Correct 3 ms 2784 KB Output is correct
17 Correct 3 ms 2892 KB Output is correct
18 Correct 145 ms 27272 KB Output is correct
19 Correct 167 ms 31148 KB Output is correct
20 Correct 166 ms 27184 KB Output is correct
21 Correct 147 ms 7068 KB Output is correct
22 Correct 136 ms 7128 KB Output is correct
23 Correct 140 ms 15452 KB Output is correct
24 Correct 111 ms 5692 KB Output is correct
25 Correct 141 ms 27608 KB Output is correct
26 Correct 128 ms 6592 KB Output is correct
27 Correct 127 ms 6352 KB Output is correct
28 Correct 128 ms 14868 KB Output is correct
29 Correct 92 ms 5052 KB Output is correct
30 Correct 123 ms 27000 KB Output is correct
31 Correct 11 ms 3276 KB Output is correct
32 Correct 47 ms 5548 KB Output is correct
33 Correct 48 ms 5572 KB Output is correct
34 Correct 48 ms 5592 KB Output is correct
35 Correct 23 ms 4032 KB Output is correct
36 Correct 53 ms 9140 KB Output is correct
37 Correct 53 ms 14020 KB Output is correct
38 Correct 32 ms 3692 KB Output is correct
39 Correct 108 ms 6588 KB Output is correct
40 Correct 125 ms 8448 KB Output is correct
41 Correct 185 ms 10084 KB Output is correct
42 Correct 124 ms 8892 KB Output is correct
43 Correct 168 ms 14268 KB Output is correct
44 Correct 168 ms 16816 KB Output is correct
45 Correct 36 ms 3736 KB Output is correct
46 Correct 121 ms 6852 KB Output is correct
47 Correct 133 ms 8676 KB Output is correct
48 Correct 210 ms 11156 KB Output is correct
49 Correct 146 ms 9532 KB Output is correct
50 Correct 191 ms 15288 KB Output is correct
51 Correct 192 ms 17568 KB Output is correct