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Submission #834763

# Submission time Handle Problem Language Result Execution time Memory
834763 2023-08-22T18:39:11 Z FEDIKUS Fireworks (APIO16_fireworks) C++17
100 / 100
 423 ms 105052 KB 
#include<bits/stdc++.h>

using namespace std;
using ll = long long;
using pii = pair<ll,ll>;

const ll maxn=3e5+10;

vector<pii> g[maxn];
multiset<ll> slope[maxn];

void dfs(ll node,ll c=-1){
    for(auto i:g[node]){
        dfs(i.first,i.second);
    }
    pair<ll,ll> maxi={-1,-1};
    for(auto i:g[node]){
        maxi=max(maxi,{ll(slope[i.first].size()),i.first});
    }
    if(maxi.first!=-1){
        swap(slope[maxi.second],slope[node]);
        for(auto i:g[node]){
            if(i.first==maxi.second) continue;
            for(ll j:slope[i.first]){
                slope[node].emplace(j);
            }
        }
    }
    for(int i=0;i<ll(g[node].size())-1;i++){
        auto it=slope[node].end();
        it--;
        slope[node].erase(it);
    }
    if(slope[node].empty()){
        slope[node].emplace(c);
        slope[node].emplace(c);
        return;
    }

    if(c!=-1){
        auto it=--slope[node].end();
        ll posl=*it+c;
        slope[node].erase(it);
        it=--slope[node].end();
        ll predposl=*it+c;
        slope[node].erase(it);
        slope[node].emplace(posl);
        slope[node].emplace(predposl);
    }

}

int main(){
    ll n,m;
    cin>>n>>m;
    n+=m;
    ll vr=0;
    for(ll i=2;i<=n;i++){
        ll p,c; cin>>p>>c;
        g[p].push_back({i,c});
        vr+=c;
    }
    dfs(1);
    ll sl=0;
    vector<ll> nes;
    for(ll i:slope[1]) nes.push_back(i);
    reverse(nes.begin(),nes.end());
    nes.push_back(0);
    for(ll i=1;i<ll(nes.size());i++){
        vr-=sl*(nes[i-1]-nes[i]);
        sl++;
    }
    cout<<vr;
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21440 KB Output is correct
2 Correct 11 ms 21332 KB Output is correct
3 Correct 11 ms 21460 KB Output is correct
4 Correct 11 ms 21460 KB Output is correct
5 Correct 11 ms 21460 KB Output is correct
6 Correct 11 ms 21460 KB Output is correct
7 Correct 11 ms 21332 KB Output is correct
8 Correct 11 ms 21460 KB Output is correct
9 Correct 13 ms 21460 KB Output is correct
10 Correct 11 ms 21460 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21332 KB Output is correct
2 Correct 11 ms 21332 KB Output is correct
3 Correct 12 ms 21332 KB Output is correct
4 Correct 11 ms 21440 KB Output is correct
5 Correct 12 ms 21444 KB Output is correct
6 Correct 11 ms 21332 KB Output is correct
7 Correct 12 ms 21460 KB Output is correct
8 Correct 11 ms 21436 KB Output is correct
9 Correct 13 ms 21460 KB Output is correct
10 Correct 11 ms 21460 KB Output is correct
11 Correct 11 ms 21460 KB Output is correct
12 Correct 11 ms 21460 KB Output is correct
13 Correct 11 ms 21460 KB Output is correct
14 Correct 11 ms 21460 KB Output is correct
15 Correct 11 ms 21432 KB Output is correct
16 Correct 14 ms 21460 KB Output is correct
17 Correct 12 ms 21612 KB Output is correct
18 Correct 11 ms 21460 KB Output is correct
19 Correct 11 ms 21460 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21440 KB Output is correct
2 Correct 11 ms 21332 KB Output is correct
3 Correct 11 ms 21460 KB Output is correct
4 Correct 11 ms 21460 KB Output is correct
5 Correct 11 ms 21460 KB Output is correct
6 Correct 11 ms 21460 KB Output is correct
7 Correct 11 ms 21332 KB Output is correct
8 Correct 11 ms 21460 KB Output is correct
9 Correct 13 ms 21460 KB Output is correct
10 Correct 11 ms 21460 KB Output is correct
11 Correct 11 ms 21332 KB Output is correct
12 Correct 11 ms 21332 KB Output is correct
13 Correct 12 ms 21332 KB Output is correct
14 Correct 11 ms 21440 KB Output is correct
15 Correct 12 ms 21444 KB Output is correct
16 Correct 11 ms 21332 KB Output is correct
17 Correct 12 ms 21460 KB Output is correct
18 Correct 11 ms 21436 KB Output is correct
19 Correct 13 ms 21460 KB Output is correct
20 Correct 11 ms 21460 KB Output is correct
21 Correct 11 ms 21460 KB Output is correct
22 Correct 11 ms 21460 KB Output is correct
23 Correct 11 ms 21460 KB Output is correct
24 Correct 11 ms 21460 KB Output is correct
25 Correct 11 ms 21432 KB Output is correct
26 Correct 14 ms 21460 KB Output is correct
27 Correct 12 ms 21612 KB Output is correct
28 Correct 11 ms 21460 KB Output is correct
29 Correct 11 ms 21460 KB Output is correct
30 Correct 13 ms 21460 KB Output is correct
31 Correct 12 ms 21460 KB Output is correct
32 Correct 12 ms 21588 KB Output is correct
33 Correct 12 ms 21716 KB Output is correct
34 Correct 13 ms 21716 KB Output is correct
35 Correct 17 ms 21844 KB Output is correct
36 Correct 14 ms 21972 KB Output is correct
37 Correct 17 ms 21964 KB Output is correct
38 Correct 15 ms 22100 KB Output is correct
39 Correct 15 ms 22120 KB Output is correct
40 Correct 14 ms 22232 KB Output is correct
41 Correct 14 ms 22228 KB Output is correct
42 Correct 13 ms 21588 KB Output is correct
43 Correct 14 ms 22312 KB Output is correct
44 Correct 15 ms 22228 KB Output is correct
45 Correct 15 ms 22228 KB Output is correct
46 Correct 15 ms 22612 KB Output is correct
47 Correct 15 ms 22612 KB Output is correct
48 Correct 15 ms 22356 KB Output is correct
49 Correct 15 ms 22484 KB Output is correct
50 Correct 14 ms 22356 KB Output is correct
51 Correct 14 ms 22228 KB Output is correct
52 Correct 15 ms 22356 KB Output is correct
53 Correct 15 ms 22484 KB Output is correct
54 Correct 15 ms 22612 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 11 ms 21440 KB Output is correct
2 Correct 11 ms 21332 KB Output is correct
3 Correct 11 ms 21460 KB Output is correct
4 Correct 11 ms 21460 KB Output is correct
5 Correct 11 ms 21460 KB Output is correct
6 Correct 11 ms 21460 KB Output is correct
7 Correct 11 ms 21332 KB Output is correct
8 Correct 11 ms 21460 KB Output is correct
9 Correct 13 ms 21460 KB Output is correct
10 Correct 11 ms 21460 KB Output is correct
11 Correct 11 ms 21332 KB Output is correct
12 Correct 11 ms 21332 KB Output is correct
13 Correct 12 ms 21332 KB Output is correct
14 Correct 11 ms 21440 KB Output is correct
15 Correct 12 ms 21444 KB Output is correct
16 Correct 11 ms 21332 KB Output is correct
17 Correct 12 ms 21460 KB Output is correct
18 Correct 11 ms 21436 KB Output is correct
19 Correct 13 ms 21460 KB Output is correct
20 Correct 11 ms 21460 KB Output is correct
21 Correct 11 ms 21460 KB Output is correct
22 Correct 11 ms 21460 KB Output is correct
23 Correct 11 ms 21460 KB Output is correct
24 Correct 11 ms 21460 KB Output is correct
25 Correct 11 ms 21432 KB Output is correct
26 Correct 14 ms 21460 KB Output is correct
27 Correct 12 ms 21612 KB Output is correct
28 Correct 11 ms 21460 KB Output is correct
29 Correct 11 ms 21460 KB Output is correct
30 Correct 13 ms 21460 KB Output is correct
31 Correct 12 ms 21460 KB Output is correct
32 Correct 12 ms 21588 KB Output is correct
33 Correct 12 ms 21716 KB Output is correct
34 Correct 13 ms 21716 KB Output is correct
35 Correct 17 ms 21844 KB Output is correct
36 Correct 14 ms 21972 KB Output is correct
37 Correct 17 ms 21964 KB Output is correct
38 Correct 15 ms 22100 KB Output is correct
39 Correct 15 ms 22120 KB Output is correct
40 Correct 14 ms 22232 KB Output is correct
41 Correct 14 ms 22228 KB Output is correct
42 Correct 13 ms 21588 KB Output is correct
43 Correct 14 ms 22312 KB Output is correct
44 Correct 15 ms 22228 KB Output is correct
45 Correct 15 ms 22228 KB Output is correct
46 Correct 15 ms 22612 KB Output is correct
47 Correct 15 ms 22612 KB Output is correct
48 Correct 15 ms 22356 KB Output is correct
49 Correct 15 ms 22484 KB Output is correct
50 Correct 14 ms 22356 KB Output is correct
51 Correct 14 ms 22228 KB Output is correct
52 Correct 15 ms 22356 KB Output is correct
53 Correct 15 ms 22484 KB Output is correct
54 Correct 15 ms 22612 KB Output is correct
55 Correct 23 ms 23252 KB Output is correct
56 Correct 54 ms 28488 KB Output is correct
57 Correct 90 ms 33724 KB Output is correct
58 Correct 117 ms 37448 KB Output is correct
59 Correct 160 ms 42588 KB Output is correct
60 Correct 203 ms 47948 KB Output is correct
61 Correct 233 ms 51912 KB Output is correct
62 Correct 261 ms 55540 KB Output is correct
63 Correct 324 ms 62740 KB Output is correct
64 Correct 340 ms 63428 KB Output is correct
65 Correct 211 ms 73268 KB Output is correct
66 Correct 211 ms 73160 KB Output is correct
67 Correct 203 ms 35916 KB Output is correct
68 Correct 287 ms 75284 KB Output is correct
69 Correct 337 ms 73288 KB Output is correct
70 Correct 338 ms 73296 KB Output is correct
71 Correct 423 ms 105052 KB Output is correct
72 Correct 372 ms 104988 KB Output is correct
73 Correct 357 ms 91764 KB Output is correct
74 Correct 390 ms 91924 KB Output is correct
75 Correct 349 ms 90692 KB Output is correct
76 Correct 347 ms 90800 KB Output is correct
77 Correct 383 ms 88608 KB Output is correct
78 Correct 367 ms 85628 KB Output is correct
79 Correct 404 ms 92328 KB Output is correct