oj.uz

Submission #927836

# Submission time Handle Problem Language Result Execution time Memory
927836 2024-02-15T11:39:32 Z 12345678 Magic Tree (CEOI19_magictree) C++17
100 / 100
 93 ms 33588 KB 
#include <bits/stdc++.h>
 
using namespace std;
 
#define ll long long
 
const int nx=1e5+5;
ll n, m, k, t[nx], w[nx], p, l, res;
vector<int> d[nx];
map<ll, ll> dp[nx];

void dfs(int u)
{
    for (auto v:d[u])
    {
        dfs(v);
        if (dp[v].size()>dp[u].size()) swap(dp[u], dp[v]);
        for (auto [x, y]:dp[v]) dp[u][x]+=y;
        dp[v].clear();
    }
    int vl=w[u];
    dp[u][t[u]]+=w[u];
    for (auto itr=next(dp[u].find(t[u])); itr!=dp[u].end();)
    {
        if (vl>=itr->second) 
        {
            vl-=itr->second;
            itr=dp[u].erase(itr);
        }
        else {
            itr->second-=vl;
            break;
        }
    }
}
 
int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m>>k;
    for (int i=2; i<=n; i++) cin>>p, d[p].push_back(i);
    for (int i=1; i<=m; i++) cin>>l>>t[l]>>w[l];
    dfs(1);
    for (auto [x, y]:dp[1]) res+=y;
    cout<<res<<'\n';
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8800 KB Output is correct
2 Correct 3 ms 9052 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 2 ms 8608 KB Output is correct
5 Correct 2 ms 8792 KB Output is correct
6 Correct 2 ms 8792 KB Output is correct
7 Correct 2 ms 8796 KB Output is correct
8 Correct 2 ms 8844 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 47 ms 13536 KB Output is correct
2 Correct 38 ms 20308 KB Output is correct
3 Correct 93 ms 16756 KB Output is correct
4 Correct 55 ms 15076 KB Output is correct
5 Correct 69 ms 17284 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8792 KB Output is correct
2 Correct 3 ms 8796 KB Output is correct
3 Correct 2 ms 9052 KB Output is correct
4 Correct 39 ms 29524 KB Output is correct
5 Correct 64 ms 33588 KB Output is correct
6 Correct 64 ms 29776 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 12804 KB Output is correct
2 Correct 49 ms 12636 KB Output is correct
3 Correct 44 ms 19960 KB Output is correct
4 Correct 25 ms 11228 KB Output is correct
5 Correct 53 ms 29780 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8800 KB Output is correct
2 Correct 3 ms 9052 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 2 ms 8608 KB Output is correct
5 Correct 2 ms 8792 KB Output is correct
6 Correct 2 ms 8792 KB Output is correct
7 Correct 2 ms 8796 KB Output is correct
8 Correct 2 ms 8844 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 52 ms 12148 KB Output is correct
11 Correct 38 ms 12116 KB Output is correct
12 Correct 36 ms 19248 KB Output is correct
13 Correct 30 ms 10684 KB Output is correct
14 Correct 37 ms 29252 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 9308 KB Output is correct
2 Correct 27 ms 11092 KB Output is correct
3 Correct 19 ms 11260 KB Output is correct
4 Correct 20 ms 11508 KB Output is correct
5 Correct 11 ms 9696 KB Output is correct
6 Correct 21 ms 14168 KB Output is correct
7 Correct 29 ms 18268 KB Output is correct

Subtask #7
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8800 KB Output is correct
2 Correct 3 ms 9052 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 2 ms 8608 KB Output is correct
5 Correct 2 ms 8792 KB Output is correct
6 Correct 2 ms 8792 KB Output is correct
7 Correct 2 ms 8796 KB Output is correct
8 Correct 2 ms 8844 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 2 ms 8792 KB Output is correct
11 Correct 3 ms 8796 KB Output is correct
12 Correct 2 ms 9052 KB Output is correct
13 Correct 39 ms 29524 KB Output is correct
14 Correct 64 ms 33588 KB Output is correct
15 Correct 64 ms 29776 KB Output is correct
16 Correct 52 ms 12148 KB Output is correct
17 Correct 38 ms 12116 KB Output is correct
18 Correct 36 ms 19248 KB Output is correct
19 Correct 30 ms 10684 KB Output is correct
20 Correct 37 ms 29252 KB Output is correct
21 Correct 12 ms 9560 KB Output is correct
22 Correct 55 ms 12260 KB Output is correct
23 Correct 60 ms 14128 KB Output is correct
24 Correct 77 ms 15696 KB Output is correct
25 Correct 49 ms 14324 KB Output is correct
26 Correct 62 ms 19280 KB Output is correct
27 Correct 55 ms 21024 KB Output is correct

Subtask #8
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 8800 KB Output is correct
2 Correct 3 ms 9052 KB Output is correct
3 Correct 2 ms 8796 KB Output is correct
4 Correct 2 ms 8608 KB Output is correct
5 Correct 2 ms 8792 KB Output is correct
6 Correct 2 ms 8792 KB Output is correct
7 Correct 2 ms 8796 KB Output is correct
8 Correct 2 ms 8844 KB Output is correct
9 Correct 2 ms 8792 KB Output is correct
10 Correct 47 ms 13536 KB Output is correct
11 Correct 38 ms 20308 KB Output is correct
12 Correct 93 ms 16756 KB Output is correct
13 Correct 55 ms 15076 KB Output is correct
14 Correct 69 ms 17284 KB Output is correct
15 Correct 2 ms 8792 KB Output is correct
16 Correct 3 ms 8796 KB Output is correct
17 Correct 2 ms 9052 KB Output is correct
18 Correct 39 ms 29524 KB Output is correct
19 Correct 64 ms 33588 KB Output is correct
20 Correct 64 ms 29776 KB Output is correct
21 Correct 44 ms 12804 KB Output is correct
22 Correct 49 ms 12636 KB Output is correct
23 Correct 44 ms 19960 KB Output is correct
24 Correct 25 ms 11228 KB Output is correct
25 Correct 53 ms 29780 KB Output is correct
26 Correct 52 ms 12148 KB Output is correct
27 Correct 38 ms 12116 KB Output is correct
28 Correct 36 ms 19248 KB Output is correct
29 Correct 30 ms 10684 KB Output is correct
30 Correct 37 ms 29252 KB Output is correct
31 Correct 5 ms 9308 KB Output is correct
32 Correct 27 ms 11092 KB Output is correct
33 Correct 19 ms 11260 KB Output is correct
34 Correct 20 ms 11508 KB Output is correct
35 Correct 11 ms 9696 KB Output is correct
36 Correct 21 ms 14168 KB Output is correct
37 Correct 29 ms 18268 KB Output is correct
38 Correct 12 ms 9560 KB Output is correct
39 Correct 55 ms 12260 KB Output is correct
40 Correct 60 ms 14128 KB Output is correct
41 Correct 77 ms 15696 KB Output is correct
42 Correct 49 ms 14324 KB Output is correct
43 Correct 62 ms 19280 KB Output is correct
44 Correct 55 ms 21024 KB Output is correct
45 Correct 14 ms 9820 KB Output is correct
46 Correct 47 ms 12468 KB Output is correct
47 Correct 56 ms 14168 KB Output is correct
48 Correct 81 ms 16736 KB Output is correct
49 Correct 46 ms 15060 KB Output is correct
50 Correct 64 ms 20256 KB Output is correct
51 Correct 74 ms 21844 KB Output is correct