답안 #966731

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
966731	2024-04-20T09:11:55 Z	boyliguanhan	Magic Tree (CEOI19_magictree)	C++17	100 / 100	110 ms	32584 KB

magictree

#include<bits/stdc++.h>
using namespace std;
#define N 7<<14
#define int long long
vector<int>adj[N];
map<int,int> dp[N];
int d[N],w[N];
void dfs(int n){
    dp[n][0];
    for(auto i:adj[n]){
        dfs(i);
        if(size(dp[n])<size(dp[i]))
            swap(dp[n],dp[i]);
        for(auto&[i,j]:dp[i])
            dp[n][i]+=j;
        dp[i].clear();
    }
    if(w[n]){
        dp[n][d[n]]+=w[n];
        auto it=dp[n].upper_bound(d[n]);
        while(it!=dp[n].end()){
            if(it->second<=w[n])
                next(it)->second+=it->second,it=next(it),dp[n].erase(prev(it));
            else {
                it->second-=w[n];
                break;
            }
        }
    }
}
signed main(){
    cin.tie(0)->sync_with_stdio(0);
    int n,m,k,Q;
    cin>>n>>m>>k;
    for(int i=2;i<=n;i++)
        cin>>Q,adj[Q].push_back(i);
    while(m--){
        int a,b,c;
        cin>>a>>b>>c;
        d[a]=b,w[a]=c;
    }
    dfs(1);
    int ans=0;
    for(auto&[i,j]:dp[1])
        ans+=j;
    cout<<ans;
}

Subtask #1
6.0 / 6.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	8540 KB	Output is correct
2	Correct	3 ms	10076 KB	Output is correct
3	Correct	3 ms	10076 KB	Output is correct
4	Correct	3 ms	10076 KB	Output is correct
5	Correct	4 ms	8540 KB	Output is correct
6	Correct	4 ms	8540 KB	Output is correct
7	Correct	3 ms	10076 KB	Output is correct
8	Correct	3 ms	10076 KB	Output is correct
9	Correct	4 ms	8540 KB	Output is correct

Subtask #2
3.0 / 3.0

#	결과	실행 시간	메모리	Grader output
1	Correct	49 ms	14856 KB	Output is correct
2	Correct	35 ms	19800 KB	Output is correct
3	Correct	92 ms	18516 KB	Output is correct
4	Correct	65 ms	16656 KB	Output is correct
5	Correct	80 ms	18560 KB	Output is correct

Subtask #3
11.0 / 11.0

#	결과	실행 시간	메모리	Grader output
1	Correct	3 ms	10328 KB	Output is correct
2	Correct	3 ms	10168 KB	Output is correct
3	Correct	4 ms	10484 KB	Output is correct
4	Correct	47 ms	32336 KB	Output is correct
5	Correct	58 ms	32428 KB	Output is correct
6	Correct	65 ms	32336 KB	Output is correct

Subtask #4
12.0 / 12.0

#	결과	실행 시간	메모리	Grader output
1	Correct	57 ms	14288 KB	Output is correct
2	Correct	66 ms	14068 KB	Output is correct
3	Correct	47 ms	21808 KB	Output is correct
4	Correct	31 ms	12760 KB	Output is correct
5	Correct	59 ms	32584 KB	Output is correct

Subtask #5
16.0 / 16.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	8540 KB	Output is correct
2	Correct	3 ms	10076 KB	Output is correct
3	Correct	3 ms	10076 KB	Output is correct
4	Correct	3 ms	10076 KB	Output is correct
5	Correct	4 ms	8540 KB	Output is correct
6	Correct	4 ms	8540 KB	Output is correct
7	Correct	3 ms	10076 KB	Output is correct
8	Correct	3 ms	10076 KB	Output is correct
9	Correct	4 ms	8540 KB	Output is correct
10	Correct	55 ms	13392 KB	Output is correct
11	Correct	51 ms	13404 KB	Output is correct
12	Correct	43 ms	21040 KB	Output is correct
13	Correct	28 ms	11992 KB	Output is correct
14	Correct	66 ms	32084 KB	Output is correct

Subtask #6
13.0 / 13.0

#	결과	실행 시간	메모리	Grader output
1	Correct	7 ms	9308 KB	Output is correct
2	Correct	28 ms	12772 KB	Output is correct
3	Correct	22 ms	12636 KB	Output is correct
4	Correct	35 ms	12700 KB	Output is correct
5	Correct	13 ms	11220 KB	Output is correct
6	Correct	32 ms	15964 KB	Output is correct
7	Correct	32 ms	20292 KB	Output is correct

Subtask #7
22.0 / 22.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	8540 KB	Output is correct
2	Correct	3 ms	10076 KB	Output is correct
3	Correct	3 ms	10076 KB	Output is correct
4	Correct	3 ms	10076 KB	Output is correct
5	Correct	4 ms	8540 KB	Output is correct
6	Correct	4 ms	8540 KB	Output is correct
7	Correct	3 ms	10076 KB	Output is correct
8	Correct	3 ms	10076 KB	Output is correct
9	Correct	4 ms	8540 KB	Output is correct
10	Correct	3 ms	10328 KB	Output is correct
11	Correct	3 ms	10168 KB	Output is correct
12	Correct	4 ms	10484 KB	Output is correct
13	Correct	47 ms	32336 KB	Output is correct
14	Correct	58 ms	32428 KB	Output is correct
15	Correct	65 ms	32336 KB	Output is correct
16	Correct	55 ms	13392 KB	Output is correct
17	Correct	51 ms	13404 KB	Output is correct
18	Correct	43 ms	21040 KB	Output is correct
19	Correct	28 ms	11992 KB	Output is correct
20	Correct	66 ms	32084 KB	Output is correct
21	Correct	17 ms	9820 KB	Output is correct
22	Correct	63 ms	13652 KB	Output is correct
23	Correct	58 ms	15408 KB	Output is correct
24	Correct	102 ms	17072 KB	Output is correct
25	Correct	53 ms	15760 KB	Output is correct
26	Correct	82 ms	19856 KB	Output is correct
27	Correct	77 ms	21828 KB	Output is correct

Subtask #8
17.0 / 17.0

#	결과	실행 시간	메모리	Grader output
1	Correct	4 ms	8540 KB	Output is correct
2	Correct	3 ms	10076 KB	Output is correct
3	Correct	3 ms	10076 KB	Output is correct
4	Correct	3 ms	10076 KB	Output is correct
5	Correct	4 ms	8540 KB	Output is correct
6	Correct	4 ms	8540 KB	Output is correct
7	Correct	3 ms	10076 KB	Output is correct
8	Correct	3 ms	10076 KB	Output is correct
9	Correct	4 ms	8540 KB	Output is correct
10	Correct	49 ms	14856 KB	Output is correct
11	Correct	35 ms	19800 KB	Output is correct
12	Correct	92 ms	18516 KB	Output is correct
13	Correct	65 ms	16656 KB	Output is correct
14	Correct	80 ms	18560 KB	Output is correct
15	Correct	3 ms	10328 KB	Output is correct
16	Correct	3 ms	10168 KB	Output is correct
17	Correct	4 ms	10484 KB	Output is correct
18	Correct	47 ms	32336 KB	Output is correct
19	Correct	58 ms	32428 KB	Output is correct
20	Correct	65 ms	32336 KB	Output is correct
21	Correct	57 ms	14288 KB	Output is correct
22	Correct	66 ms	14068 KB	Output is correct
23	Correct	47 ms	21808 KB	Output is correct
24	Correct	31 ms	12760 KB	Output is correct
25	Correct	59 ms	32584 KB	Output is correct
26	Correct	55 ms	13392 KB	Output is correct
27	Correct	51 ms	13404 KB	Output is correct
28	Correct	43 ms	21040 KB	Output is correct
29	Correct	28 ms	11992 KB	Output is correct
30	Correct	66 ms	32084 KB	Output is correct
31	Correct	7 ms	9308 KB	Output is correct
32	Correct	28 ms	12772 KB	Output is correct
33	Correct	22 ms	12636 KB	Output is correct
34	Correct	35 ms	12700 KB	Output is correct
35	Correct	13 ms	11220 KB	Output is correct
36	Correct	32 ms	15964 KB	Output is correct
37	Correct	32 ms	20292 KB	Output is correct
38	Correct	17 ms	9820 KB	Output is correct
39	Correct	63 ms	13652 KB	Output is correct
40	Correct	58 ms	15408 KB	Output is correct
41	Correct	102 ms	17072 KB	Output is correct
42	Correct	53 ms	15760 KB	Output is correct
43	Correct	82 ms	19856 KB	Output is correct
44	Correct	77 ms	21828 KB	Output is correct
45	Correct	17 ms	9860 KB	Output is correct
46	Correct	67 ms	13900 KB	Output is correct
47	Correct	62 ms	15704 KB	Output is correct
48	Correct	110 ms	17936 KB	Output is correct
49	Correct	66 ms	16864 KB	Output is correct
50	Correct	84 ms	20708 KB	Output is correct
51	Correct	76 ms	22616 KB	Output is correct

답안 #966731

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