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Submission #943975

# Submission time Handle Problem Language Result Execution time Memory
943975 2024-03-12T05:55:47 Z kim Fireworks (APIO16_fireworks) C++17
100 / 100
 402 ms 72412 KB 
#include<bits/stdc++.h>
using namespace std;
#define endl '\n'
using ll=long long;
 
struct A{
    multiset<ll> L,R;
    ll mn;
    A():mn(0){}
    void insert(ll x){
        if(L.empty()) L.emplace(x), R.emplace(x);
        else if(x<*L.rbegin()){
            mn+=*L.rbegin()-x;
            L.emplace(x), L.emplace(x);
            R.emplace(*L.rbegin()), L.erase(prev(L.end()));
        }
        else if(x>*R.begin()){
            mn+=x-*R.begin();
            R.emplace(x), R.emplace(x);
            L.emplace(*R.begin()), R.erase(R.begin());
        }
        else L.emplace(x), R.emplace(x);
    }
    A& operator+=(A o){
        if(L.size()<o.L.size()) swap(*this,o);
        
        for(auto &e:o.L){
            if(e<*R.begin()) L.emplace(e); 
            else{
                mn+=e-*R.begin();
                R.emplace(e), L.emplace(*R.begin()), R.erase(R.begin());
            }
        }
        for(auto &e:o.R){
            if(e>*L.rbegin()) R.emplace(e); 
            else{
                mn+=*L.rbegin()-e;
                L.emplace(e), R.emplace(*L.rbegin()), L.erase(prev(L.end()));
            }
        }
        mn+=o.mn;
 
        return *this;
    }
    void clear(){L.clear(),R.clear();}
    int sz(){return L.size()+R.size();}
}t[300005];

vector<int> adj[300005];
int p[300005],big[300005];
ll c[300005];
 
int main(){
    ios::sync_with_stdio(false); cin.tie(0);
 
    int n,m; cin>>n>>m;
    for(int i=2;i<=n+m;++i) cin>>p[i]>>c[i], adj[p[i]].emplace_back(i);
    for(int i=n+m;i>n;--i) t[i].insert(0);
    for(int i=n+m;i>=1;--i){
        if(i<=n) swap(t[i],t[big[i]]);
        for(auto &v:adj[i]){
            if(v==big[i]) continue;
            t[i]+=t[v];
            t[v].clear();
        }
        if(i==1) break;
        while(t[i].R.size()>1){
            auto itr=prev(t[i].R.end());
            t[i].R.erase(itr);
        }
        auto itr1=prev(t[i].L.end()), itr2=t[i].R.begin();
        t[i].L.emplace(*itr1+c[i]), t[i].L.erase(itr1);
        t[i].R.emplace(*itr2+c[i]), t[i].R.erase(itr2);
        if(!big[p[i]] || t[big[p[i]]].sz()<t[i].sz()) big[p[i]]=i;
    }
    cout<<t[1].mn;
 
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 40284 KB Output is correct
2 Correct 9 ms 40372 KB Output is correct
3 Correct 10 ms 40588 KB Output is correct
4 Correct 9 ms 40284 KB Output is correct
5 Correct 9 ms 40284 KB Output is correct
6 Correct 9 ms 40284 KB Output is correct
7 Correct 10 ms 40284 KB Output is correct
8 Correct 8 ms 40284 KB Output is correct
9 Correct 8 ms 40372 KB Output is correct
10 Correct 9 ms 40380 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 10 ms 40284 KB Output is correct
2 Correct 9 ms 40500 KB Output is correct
3 Correct 9 ms 40284 KB Output is correct
4 Correct 9 ms 40284 KB Output is correct
5 Correct 8 ms 40284 KB Output is correct
6 Correct 9 ms 40280 KB Output is correct
7 Correct 8 ms 40284 KB Output is correct
8 Correct 8 ms 40404 KB Output is correct
9 Correct 9 ms 40284 KB Output is correct
10 Correct 8 ms 40396 KB Output is correct
11 Correct 9 ms 40284 KB Output is correct
12 Correct 8 ms 40420 KB Output is correct
13 Correct 8 ms 40284 KB Output is correct
14 Correct 9 ms 40284 KB Output is correct
15 Correct 9 ms 40284 KB Output is correct
16 Correct 9 ms 40292 KB Output is correct
17 Correct 10 ms 40292 KB Output is correct
18 Correct 9 ms 40296 KB Output is correct
19 Correct 10 ms 40520 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 40284 KB Output is correct
2 Correct 9 ms 40372 KB Output is correct
3 Correct 10 ms 40588 KB Output is correct
4 Correct 9 ms 40284 KB Output is correct
5 Correct 9 ms 40284 KB Output is correct
6 Correct 9 ms 40284 KB Output is correct
7 Correct 10 ms 40284 KB Output is correct
8 Correct 8 ms 40284 KB Output is correct
9 Correct 8 ms 40372 KB Output is correct
10 Correct 9 ms 40380 KB Output is correct
11 Correct 10 ms 40284 KB Output is correct
12 Correct 9 ms 40500 KB Output is correct
13 Correct 9 ms 40284 KB Output is correct
14 Correct 9 ms 40284 KB Output is correct
15 Correct 8 ms 40284 KB Output is correct
16 Correct 9 ms 40280 KB Output is correct
17 Correct 8 ms 40284 KB Output is correct
18 Correct 8 ms 40404 KB Output is correct
19 Correct 9 ms 40284 KB Output is correct
20 Correct 8 ms 40396 KB Output is correct
21 Correct 9 ms 40284 KB Output is correct
22 Correct 8 ms 40420 KB Output is correct
23 Correct 8 ms 40284 KB Output is correct
24 Correct 9 ms 40284 KB Output is correct
25 Correct 9 ms 40284 KB Output is correct
26 Correct 9 ms 40292 KB Output is correct
27 Correct 10 ms 40292 KB Output is correct
28 Correct 9 ms 40296 KB Output is correct
29 Correct 10 ms 40520 KB Output is correct
30 Correct 9 ms 40288 KB Output is correct
31 Correct 9 ms 40380 KB Output is correct
32 Correct 9 ms 40612 KB Output is correct
33 Correct 9 ms 40548 KB Output is correct
34 Correct 9 ms 40540 KB Output is correct
35 Correct 10 ms 40540 KB Output is correct
36 Correct 11 ms 40536 KB Output is correct
37 Correct 11 ms 40796 KB Output is correct
38 Correct 11 ms 40796 KB Output is correct
39 Correct 12 ms 40796 KB Output is correct
40 Correct 10 ms 40668 KB Output is correct
41 Correct 9 ms 40540 KB Output is correct
42 Correct 10 ms 40796 KB Output is correct
43 Correct 12 ms 40796 KB Output is correct
44 Correct 11 ms 40796 KB Output is correct
45 Correct 11 ms 40788 KB Output is correct
46 Correct 12 ms 40796 KB Output is correct
47 Correct 12 ms 41012 KB Output is correct
48 Correct 12 ms 40792 KB Output is correct
49 Correct 11 ms 40796 KB Output is correct
50 Correct 13 ms 40796 KB Output is correct
51 Correct 13 ms 40796 KB Output is correct
52 Correct 12 ms 40796 KB Output is correct
53 Correct 12 ms 40796 KB Output is correct
54 Correct 11 ms 40900 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 40284 KB Output is correct
2 Correct 9 ms 40372 KB Output is correct
3 Correct 10 ms 40588 KB Output is correct
4 Correct 9 ms 40284 KB Output is correct
5 Correct 9 ms 40284 KB Output is correct
6 Correct 9 ms 40284 KB Output is correct
7 Correct 10 ms 40284 KB Output is correct
8 Correct 8 ms 40284 KB Output is correct
9 Correct 8 ms 40372 KB Output is correct
10 Correct 9 ms 40380 KB Output is correct
11 Correct 10 ms 40284 KB Output is correct
12 Correct 9 ms 40500 KB Output is correct
13 Correct 9 ms 40284 KB Output is correct
14 Correct 9 ms 40284 KB Output is correct
15 Correct 8 ms 40284 KB Output is correct
16 Correct 9 ms 40280 KB Output is correct
17 Correct 8 ms 40284 KB Output is correct
18 Correct 8 ms 40404 KB Output is correct
19 Correct 9 ms 40284 KB Output is correct
20 Correct 8 ms 40396 KB Output is correct
21 Correct 9 ms 40284 KB Output is correct
22 Correct 8 ms 40420 KB Output is correct
23 Correct 8 ms 40284 KB Output is correct
24 Correct 9 ms 40284 KB Output is correct
25 Correct 9 ms 40284 KB Output is correct
26 Correct 9 ms 40292 KB Output is correct
27 Correct 10 ms 40292 KB Output is correct
28 Correct 9 ms 40296 KB Output is correct
29 Correct 10 ms 40520 KB Output is correct
30 Correct 9 ms 40288 KB Output is correct
31 Correct 9 ms 40380 KB Output is correct
32 Correct 9 ms 40612 KB Output is correct
33 Correct 9 ms 40548 KB Output is correct
34 Correct 9 ms 40540 KB Output is correct
35 Correct 10 ms 40540 KB Output is correct
36 Correct 11 ms 40536 KB Output is correct
37 Correct 11 ms 40796 KB Output is correct
38 Correct 11 ms 40796 KB Output is correct
39 Correct 12 ms 40796 KB Output is correct
40 Correct 10 ms 40668 KB Output is correct
41 Correct 9 ms 40540 KB Output is correct
42 Correct 10 ms 40796 KB Output is correct
43 Correct 12 ms 40796 KB Output is correct
44 Correct 11 ms 40796 KB Output is correct
45 Correct 11 ms 40788 KB Output is correct
46 Correct 12 ms 40796 KB Output is correct
47 Correct 12 ms 41012 KB Output is correct
48 Correct 12 ms 40792 KB Output is correct
49 Correct 11 ms 40796 KB Output is correct
50 Correct 13 ms 40796 KB Output is correct
51 Correct 13 ms 40796 KB Output is correct
52 Correct 12 ms 40796 KB Output is correct
53 Correct 12 ms 40796 KB Output is correct
54 Correct 11 ms 40900 KB Output is correct
55 Correct 15 ms 41312 KB Output is correct
56 Correct 42 ms 45148 KB Output is correct
57 Correct 67 ms 47292 KB Output is correct
58 Correct 83 ms 48532 KB Output is correct
59 Correct 119 ms 50492 KB Output is correct
60 Correct 148 ms 52396 KB Output is correct
61 Correct 172 ms 53552 KB Output is correct
62 Correct 191 ms 54868 KB Output is correct
63 Correct 236 ms 57188 KB Output is correct
64 Correct 255 ms 58020 KB Output is correct
65 Correct 93 ms 51992 KB Output is correct
66 Correct 85 ms 51940 KB Output is correct
67 Correct 94 ms 52028 KB Output is correct
68 Correct 152 ms 61300 KB Output is correct
69 Correct 199 ms 61636 KB Output is correct
70 Correct 202 ms 61504 KB Output is correct
71 Correct 343 ms 72356 KB Output is correct
72 Correct 336 ms 72208 KB Output is correct
73 Correct 287 ms 72388 KB Output is correct
74 Correct 285 ms 72412 KB Output is correct
75 Correct 280 ms 72232 KB Output is correct
76 Correct 316 ms 72272 KB Output is correct
77 Correct 312 ms 71376 KB Output is correct
78 Correct 362 ms 71340 KB Output is correct
79 Correct 402 ms 71932 KB Output is correct