답안 #954492

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
954492	2024-03-28T04:27:13 Z	Skywk	Magic Tree (CEOI19_magictree)	C++17	100 / 100	102 ms	38484 KB

magictree

#include<bits/stdc++.h>

using namespace std;

const int MAXN = 1e5;
struct Tree{
    vector<int> adj[MAXN + 1];
    int ds[MAXN + 1], js[MAXN + 1];
    void insert(map<int, long long>* dp, int v){
        (*dp)[ds[v]] += js[v];
        auto ptr = dp->find(ds[v]);
        int j_left = js[v];
        while(j_left > 0 && next(ptr) != dp->end()){
            auto nxt_ptr = next(ptr);
            if(nxt_ptr->second > j_left){
                nxt_ptr->second -= j_left;
                break;
            }
            else{
                j_left -= nxt_ptr->second;
                dp->erase(nxt_ptr);
            }
        }
    }
    map<int, long long>* TreeDp(int v){
        auto curr_map = new map<int, long long>();
        for(auto u : adj[v]){
            auto new_map = TreeDp(u);
            if(new_map->size() > curr_map->size()) swap(curr_map, new_map);
            for(auto [key, value] : *new_map){
                (*curr_map)[key] += value;
            }
        }
        if(ds[v] > 0) insert(curr_map, v);
        return curr_map;
    }
};
Tree T;

int main(){
    ios_base::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;
        T.adj[p].push_back(i);
    }
    for(int i=0; i<M; i++){
        int v; cin>> v;
        cin>> T.ds[v]>> T.js[v];
    }

    auto dp = T.TreeDp(1);
    long long res = 0;
    for(auto [key, value] : *dp){
        res += value;
    }
    cout<< res;
    return 0;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	2 ms	2652 KB	Output is correct
3	Correct	2 ms	2652 KB	Output is correct
4	Correct	1 ms	2804 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2652 KB	Output is correct
7	Correct	2 ms	2652 KB	Output is correct
8	Correct	2 ms	2652 KB	Output is correct
9	Correct	1 ms	2904 KB	Output is correct

Subtask #2
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	41 ms	20052 KB	Output is correct
2	Correct	33 ms	21332 KB	Output is correct
3	Correct	102 ms	38484 KB	Output is correct
4	Correct	58 ms	21448 KB	Output is correct
5	Correct	68 ms	23432 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	2 ms	2820 KB	Output is correct
2	Correct	1 ms	2908 KB	Output is correct
3	Correct	1 ms	2908 KB	Output is correct
4	Correct	44 ms	28964 KB	Output is correct
5	Correct	62 ms	32880 KB	Output is correct
6	Correct	60 ms	28984 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	41 ms	17216 KB	Output is correct
2	Correct	40 ms	16328 KB	Output is correct
3	Correct	39 ms	21020 KB	Output is correct
4	Correct	31 ms	17396 KB	Output is correct
5	Correct	41 ms	29016 KB	Output is correct

Subtask #5
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	2 ms	2652 KB	Output is correct
3	Correct	2 ms	2652 KB	Output is correct
4	Correct	1 ms	2804 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2652 KB	Output is correct
7	Correct	2 ms	2652 KB	Output is correct
8	Correct	2 ms	2652 KB	Output is correct
9	Correct	1 ms	2904 KB	Output is correct
10	Correct	44 ms	19284 KB	Output is correct
11	Correct	40 ms	18260 KB	Output is correct
12	Correct	39 ms	20388 KB	Output is correct
13	Correct	29 ms	16960 KB	Output is correct
14	Correct	39 ms	28496 KB	Output is correct

Subtask #6
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	6 ms	4780 KB	Output is correct
2	Correct	19 ms	12124 KB	Output is correct
3	Correct	20 ms	12040 KB	Output is correct
4	Correct	19 ms	12092 KB	Output is correct
5	Correct	10 ms	10460 KB	Output is correct
6	Correct	23 ms	14484 KB	Output is correct
7	Correct	22 ms	18524 KB	Output is correct

Subtask #7
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	2 ms	2652 KB	Output is correct
3	Correct	2 ms	2652 KB	Output is correct
4	Correct	1 ms	2804 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2652 KB	Output is correct
7	Correct	2 ms	2652 KB	Output is correct
8	Correct	2 ms	2652 KB	Output is correct
9	Correct	1 ms	2904 KB	Output is correct
10	Correct	2 ms	2820 KB	Output is correct
11	Correct	1 ms	2908 KB	Output is correct
12	Correct	1 ms	2908 KB	Output is correct
13	Correct	44 ms	28964 KB	Output is correct
14	Correct	62 ms	32880 KB	Output is correct
15	Correct	60 ms	28984 KB	Output is correct
16	Correct	44 ms	19284 KB	Output is correct
17	Correct	40 ms	18260 KB	Output is correct
18	Correct	39 ms	20388 KB	Output is correct
19	Correct	29 ms	16960 KB	Output is correct
20	Correct	39 ms	28496 KB	Output is correct
21	Correct	14 ms	7260 KB	Output is correct
22	Correct	45 ms	20308 KB	Output is correct
23	Correct	53 ms	23636 KB	Output is correct
24	Correct	76 ms	31940 KB	Output is correct
25	Correct	53 ms	20948 KB	Output is correct
26	Correct	66 ms	23120 KB	Output is correct
27	Correct	57 ms	22216 KB	Output is correct

Subtask #8
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	1 ms	2648 KB	Output is correct
2	Correct	2 ms	2652 KB	Output is correct
3	Correct	2 ms	2652 KB	Output is correct
4	Correct	1 ms	2804 KB	Output is correct
5	Correct	1 ms	2652 KB	Output is correct
6	Correct	1 ms	2652 KB	Output is correct
7	Correct	2 ms	2652 KB	Output is correct
8	Correct	2 ms	2652 KB	Output is correct
9	Correct	1 ms	2904 KB	Output is correct
10	Correct	41 ms	20052 KB	Output is correct
11	Correct	33 ms	21332 KB	Output is correct
12	Correct	102 ms	38484 KB	Output is correct
13	Correct	58 ms	21448 KB	Output is correct
14	Correct	68 ms	23432 KB	Output is correct
15	Correct	2 ms	2820 KB	Output is correct
16	Correct	1 ms	2908 KB	Output is correct
17	Correct	1 ms	2908 KB	Output is correct
18	Correct	44 ms	28964 KB	Output is correct
19	Correct	62 ms	32880 KB	Output is correct
20	Correct	60 ms	28984 KB	Output is correct
21	Correct	41 ms	17216 KB	Output is correct
22	Correct	40 ms	16328 KB	Output is correct
23	Correct	39 ms	21020 KB	Output is correct
24	Correct	31 ms	17396 KB	Output is correct
25	Correct	41 ms	29016 KB	Output is correct
26	Correct	44 ms	19284 KB	Output is correct
27	Correct	40 ms	18260 KB	Output is correct
28	Correct	39 ms	20388 KB	Output is correct
29	Correct	29 ms	16960 KB	Output is correct
30	Correct	39 ms	28496 KB	Output is correct
31	Correct	6 ms	4780 KB	Output is correct
32	Correct	19 ms	12124 KB	Output is correct
33	Correct	20 ms	12040 KB	Output is correct
34	Correct	19 ms	12092 KB	Output is correct
35	Correct	10 ms	10460 KB	Output is correct
36	Correct	23 ms	14484 KB	Output is correct
37	Correct	22 ms	18524 KB	Output is correct
38	Correct	14 ms	7260 KB	Output is correct
39	Correct	45 ms	20308 KB	Output is correct
40	Correct	53 ms	23636 KB	Output is correct
41	Correct	76 ms	31940 KB	Output is correct
42	Correct	53 ms	20948 KB	Output is correct
43	Correct	66 ms	23120 KB	Output is correct
44	Correct	57 ms	22216 KB	Output is correct
45	Correct	15 ms	7772 KB	Output is correct
46	Correct	48 ms	21332 KB	Output is correct
47	Correct	57 ms	24824 KB	Output is correct
48	Correct	93 ms	34900 KB	Output is correct
49	Correct	56 ms	21456 KB	Output is correct
50	Correct	72 ms	23972 KB	Output is correct
51	Correct	65 ms	23088 KB	Output is correct

답안 #954492

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