oj.uz

Submission #594822

# Submission time Handle Problem Language Result Execution time Memory
594822 2022-07-13T01:06:46 Z czhang2718 Magic Tree (CEOI19_magictree) C++17
100 / 100
 140 ms 37868 KB 
#include "bits/stdc++.h"
using namespace std;

typedef long long ll;

const int N=1e5;
int n, m, k;
int par[N];
int d[N], w[N];
map<int,ll> mp[N];

int main(){
    cin.tie(0)->sync_with_stdio(0);

    cin >> n >> m >> k;
    for(int i=1; i<n; i++){
        cin >> par[i]; --par[i];
    }
    for(int i=0; i<m; i++){
        int v; cin >> v;
        v--;
        cin >> d[v] >> w[v];
    }

    auto join=[&](int i, int j){
        if(mp[i].size()>mp[j].size()) swap(mp[i], mp[j]);
        for(auto p:mp[i]){
            mp[j][p.first]+=p.second;
        }
    };

    for(int i=n-1; i>=0; i--){
        mp[i][d[i]]+=w[i];
        auto it=mp[i].upper_bound(d[i]);
        while(it!=mp[i].end()){
            if(it->second>w[i]){
                it->second-=w[i];
                break;
            }
            w[i]-=it->second;
            it++;
            mp[i].erase(prev(it));
        }
        // cout << "mp[" << i << "]\n";
        // for(auto p:mp[i]) cout << p.first << " " << p.second << "\n";
        if(i) join(i, par[i]);
    }

    ll ans=0;
    for(auto p:mp[0]) ans+=p.second;
    cout << ans;
}

Subtask #1
6.0 / 6.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct

Subtask #2
3.0 / 3.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 18704 KB Output is correct
2 Correct 27 ms 8588 KB Output is correct
3 Correct 140 ms 37868 KB Output is correct
4 Correct 73 ms 16044 KB Output is correct
5 Correct 104 ms 20444 KB Output is correct

Subtask #3
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 4 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 33 ms 6128 KB Output is correct
5 Correct 51 ms 10100 KB Output is correct
6 Correct 46 ms 6160 KB Output is correct

Subtask #4
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 43 ms 10760 KB Output is correct
2 Correct 39 ms 11800 KB Output is correct
3 Correct 34 ms 9676 KB Output is correct
4 Correct 46 ms 14172 KB Output is correct
5 Correct 33 ms 8204 KB Output is correct

Subtask #5
16.0 / 16.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 62 ms 14460 KB Output is correct
11 Correct 73 ms 13132 KB Output is correct
12 Correct 31 ms 7640 KB Output is correct
13 Correct 34 ms 12340 KB Output is correct
14 Correct 28 ms 6100 KB Output is correct

Subtask #6
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 7 ms 6100 KB Output is correct
2 Correct 20 ms 9988 KB Output is correct
3 Correct 22 ms 9996 KB Output is correct
4 Correct 22 ms 10048 KB Output is correct
5 Correct 16 ms 12628 KB Output is correct
6 Correct 22 ms 10628 KB Output is correct
7 Correct 22 ms 7968 KB Output is correct

Subtask #7
22.0 / 22.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 4 ms 4948 KB Output is correct
11 Correct 4 ms 4948 KB Output is correct
12 Correct 3 ms 4948 KB Output is correct
13 Correct 33 ms 6128 KB Output is correct
14 Correct 51 ms 10100 KB Output is correct
15 Correct 46 ms 6160 KB Output is correct
16 Correct 62 ms 14460 KB Output is correct
17 Correct 73 ms 13132 KB Output is correct
18 Correct 31 ms 7640 KB Output is correct
19 Correct 34 ms 12340 KB Output is correct
20 Correct 28 ms 6100 KB Output is correct
21 Correct 17 ms 8532 KB Output is correct
22 Correct 82 ms 18084 KB Output is correct
23 Correct 75 ms 21832 KB Output is correct
24 Correct 129 ms 30272 KB Output is correct
25 Correct 78 ms 16136 KB Output is correct
26 Correct 82 ms 16076 KB Output is correct
27 Correct 56 ms 9152 KB Output is correct

Subtask #8
17.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 2 ms 4948 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 54 ms 18704 KB Output is correct
11 Correct 27 ms 8588 KB Output is correct
12 Correct 140 ms 37868 KB Output is correct
13 Correct 73 ms 16044 KB Output is correct
14 Correct 104 ms 20444 KB Output is correct
15 Correct 4 ms 4948 KB Output is correct
16 Correct 4 ms 4948 KB Output is correct
17 Correct 3 ms 4948 KB Output is correct
18 Correct 33 ms 6128 KB Output is correct
19 Correct 51 ms 10100 KB Output is correct
20 Correct 46 ms 6160 KB Output is correct
21 Correct 43 ms 10760 KB Output is correct
22 Correct 39 ms 11800 KB Output is correct
23 Correct 34 ms 9676 KB Output is correct
24 Correct 46 ms 14172 KB Output is correct
25 Correct 33 ms 8204 KB Output is correct
26 Correct 62 ms 14460 KB Output is correct
27 Correct 73 ms 13132 KB Output is correct
28 Correct 31 ms 7640 KB Output is correct
29 Correct 34 ms 12340 KB Output is correct
30 Correct 28 ms 6100 KB Output is correct
31 Correct 7 ms 6100 KB Output is correct
32 Correct 20 ms 9988 KB Output is correct
33 Correct 22 ms 9996 KB Output is correct
34 Correct 22 ms 10048 KB Output is correct
35 Correct 16 ms 12628 KB Output is correct
36 Correct 22 ms 10628 KB Output is correct
37 Correct 22 ms 7968 KB Output is correct
38 Correct 17 ms 8532 KB Output is correct
39 Correct 82 ms 18084 KB Output is correct
40 Correct 75 ms 21832 KB Output is correct
41 Correct 129 ms 30272 KB Output is correct
42 Correct 78 ms 16136 KB Output is correct
43 Correct 82 ms 16076 KB Output is correct
44 Correct 56 ms 9152 KB Output is correct
45 Correct 20 ms 9512 KB Output is correct
46 Correct 73 ms 20456 KB Output is correct
47 Correct 90 ms 24688 KB Output is correct
48 Correct 124 ms 35344 KB Output is correct
49 Correct 80 ms 18248 KB Output is correct
50 Correct 112 ms 18856 KB Output is correct
51 Correct 74 ms 11920 KB Output is correct