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답안 #990344

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
990344 2024-05-30T08:47:01 Z imarn Magic Tree (CEOI19_magictree) C++14
100 / 100
 109 ms 34896 KB 
#include<bits/stdc++.h>
#define ll long long
#define pii pair<int,ll>
#define f first
#define s second
#define pb push_back
#define all(x) x.begin(),x.end()
using namespace std;
const int mxn=1e5+5;
int d[mxn]{0};ll w[mxn];
map<int,ll>dp[mxn];
vector<int>g[mxn];
void dfs(int u){
    for(auto v:g[u]){
        dfs(v);
        if(dp[v].size()>dp[u].size())swap(dp[u],dp[v]);
        for(auto it:dp[v]){
            if(dp[u].find(it.f)!=dp[u].end())dp[u][it.f]+=it.s;
            else dp[u][it.f]=it.s;
        }
    }
    if(d[u]==0)return;
    if(dp[u].find(d[u])==dp[u].end())dp[u][d[u]]=w[u];
    else dp[u][d[u]]+=w[u];
    ll cur=w[u];
    auto it = dp[u].upper_bound(d[u]);
    vector<int>mem;
    for(;it!=dp[u].end();it++){
        if(cur>=it->s){
            cur-=it->s;
            dp[u][it->f]=0;mem.pb(it->f);
        }
        else {
            dp[u][it->f]-=cur;
            break;
        }
    }for(auto it : mem)dp[u].erase(it);
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(0);
    int n,m,k;cin>>n>>m>>k;
    for(int i=2;i<=n;i++){
        int p;cin>>p;g[p].pb(i);
    }
    for(int i=1;i<=m;i++){
        int v;cin>>v;cin>>d[v]>>w[v];
    }dfs(1);ll ans=0;
    for(auto it : dp[1])ans+=it.s;
    cout<<ans;
}

Subtask #1
6.0 / 6.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 7256 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 1 ms 7260 KB Output is correct
4 Correct 1 ms 7444 KB Output is correct
5 Correct 2 ms 7260 KB Output is correct
6 Correct 1 ms 7260 KB Output is correct
7 Correct 1 ms 7260 KB Output is correct
8 Correct 2 ms 7260 KB Output is correct
9 Correct 2 ms 7260 KB Output is correct

Subtask #2
3.0 / 3.0

# 결과 실행 시간 메모리 Grader output
1 Correct 38 ms 17732 KB Output is correct
2 Correct 33 ms 18772 KB Output is correct
3 Correct 109 ms 34896 KB Output is correct
4 Correct 55 ms 18384 KB Output is correct
5 Correct 72 ms 19912 KB Output is correct

Subtask #3
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 7512 KB Output is correct
2 Correct 2 ms 7512 KB Output is correct
3 Correct 2 ms 7516 KB Output is correct
4 Correct 35 ms 25752 KB Output is correct
5 Correct 62 ms 29780 KB Output is correct
6 Correct 60 ms 25680 KB Output is correct

Subtask #4
12.0 / 12.0

# 결과 실행 시간 메모리 Grader output
1 Correct 36 ms 13904 KB Output is correct
2 Correct 36 ms 13140 KB Output is correct
3 Correct 34 ms 17748 KB Output is correct
4 Correct 24 ms 14660 KB Output is correct
5 Correct 35 ms 25684 KB Output is correct

Subtask #5
16.0 / 16.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 7256 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 1 ms 7260 KB Output is correct
4 Correct 1 ms 7444 KB Output is correct
5 Correct 2 ms 7260 KB Output is correct
6 Correct 1 ms 7260 KB Output is correct
7 Correct 1 ms 7260 KB Output is correct
8 Correct 2 ms 7260 KB Output is correct
9 Correct 2 ms 7260 KB Output is correct
10 Correct 44 ms 16720 KB Output is correct
11 Correct 39 ms 15700 KB Output is correct
12 Correct 31 ms 17756 KB Output is correct
13 Correct 24 ms 14656 KB Output is correct
14 Correct 34 ms 25684 KB Output is correct

Subtask #6
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 4 ms 8028 KB Output is correct
2 Correct 14 ms 10336 KB Output is correct
3 Correct 15 ms 10332 KB Output is correct
4 Correct 16 ms 10328 KB Output is correct
5 Correct 6 ms 9176 KB Output is correct
6 Correct 15 ms 12892 KB Output is correct
7 Correct 16 ms 16732 KB Output is correct

Subtask #7
22.0 / 22.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 7256 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 1 ms 7260 KB Output is correct
4 Correct 1 ms 7444 KB Output is correct
5 Correct 2 ms 7260 KB Output is correct
6 Correct 1 ms 7260 KB Output is correct
7 Correct 1 ms 7260 KB Output is correct
8 Correct 2 ms 7260 KB Output is correct
9 Correct 2 ms 7260 KB Output is correct
10 Correct 2 ms 7512 KB Output is correct
11 Correct 2 ms 7512 KB Output is correct
12 Correct 2 ms 7516 KB Output is correct
13 Correct 35 ms 25752 KB Output is correct
14 Correct 62 ms 29780 KB Output is correct
15 Correct 60 ms 25680 KB Output is correct
16 Correct 44 ms 16720 KB Output is correct
17 Correct 39 ms 15700 KB Output is correct
18 Correct 31 ms 17756 KB Output is correct
19 Correct 24 ms 14656 KB Output is correct
20 Correct 34 ms 25684 KB Output is correct
21 Correct 14 ms 10588 KB Output is correct
22 Correct 46 ms 18004 KB Output is correct
23 Correct 51 ms 21332 KB Output is correct
24 Correct 82 ms 29012 KB Output is correct
25 Correct 58 ms 18200 KB Output is correct
26 Correct 72 ms 20052 KB Output is correct
27 Correct 66 ms 19476 KB Output is correct

Subtask #8
17.0 / 17.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 7256 KB Output is correct
2 Correct 2 ms 7260 KB Output is correct
3 Correct 1 ms 7260 KB Output is correct
4 Correct 1 ms 7444 KB Output is correct
5 Correct 2 ms 7260 KB Output is correct
6 Correct 1 ms 7260 KB Output is correct
7 Correct 1 ms 7260 KB Output is correct
8 Correct 2 ms 7260 KB Output is correct
9 Correct 2 ms 7260 KB Output is correct
10 Correct 38 ms 17732 KB Output is correct
11 Correct 33 ms 18772 KB Output is correct
12 Correct 109 ms 34896 KB Output is correct
13 Correct 55 ms 18384 KB Output is correct
14 Correct 72 ms 19912 KB Output is correct
15 Correct 2 ms 7512 KB Output is correct
16 Correct 2 ms 7512 KB Output is correct
17 Correct 2 ms 7516 KB Output is correct
18 Correct 35 ms 25752 KB Output is correct
19 Correct 62 ms 29780 KB Output is correct
20 Correct 60 ms 25680 KB Output is correct
21 Correct 36 ms 13904 KB Output is correct
22 Correct 36 ms 13140 KB Output is correct
23 Correct 34 ms 17748 KB Output is correct
24 Correct 24 ms 14660 KB Output is correct
25 Correct 35 ms 25684 KB Output is correct
26 Correct 44 ms 16720 KB Output is correct
27 Correct 39 ms 15700 KB Output is correct
28 Correct 31 ms 17756 KB Output is correct
29 Correct 24 ms 14656 KB Output is correct
30 Correct 34 ms 25684 KB Output is correct
31 Correct 4 ms 8028 KB Output is correct
32 Correct 14 ms 10336 KB Output is correct
33 Correct 15 ms 10332 KB Output is correct
34 Correct 16 ms 10328 KB Output is correct
35 Correct 6 ms 9176 KB Output is correct
36 Correct 15 ms 12892 KB Output is correct
37 Correct 16 ms 16732 KB Output is correct
38 Correct 14 ms 10588 KB Output is correct
39 Correct 46 ms 18004 KB Output is correct
40 Correct 51 ms 21332 KB Output is correct
41 Correct 82 ms 29012 KB Output is correct
42 Correct 58 ms 18200 KB Output is correct
43 Correct 72 ms 20052 KB Output is correct
44 Correct 66 ms 19476 KB Output is correct
45 Correct 15 ms 11096 KB Output is correct
46 Correct 47 ms 18772 KB Output is correct
47 Correct 58 ms 22096 KB Output is correct
48 Correct 94 ms 31276 KB Output is correct
49 Correct 55 ms 18388 KB Output is correct
50 Correct 74 ms 20308 KB Output is correct
51 Correct 71 ms 19596 KB Output is correct