답안 #927836

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
927836	2024-02-15T11:39:32 Z	12345678	Magic Tree (CEOI19_magictree)	C++17	100 / 100	93 ms	33588 KB

magictree

#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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

#	결과	실행 시간	메모리	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

답안 #927836

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