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Submission #943939

# Submission time Handle Problem Language Result Execution time Memory
943939 2024-03-12T05:04:53 Z kim Fireworks (APIO16_fireworks) C++17
55 / 100
 438 ms 524288 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;
    }
}t[300005];

int p[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];
    for(int i=n+m;i>n;--i) t[p[i]].insert(c[i]);
    for(int i=n;i>1;--i){
        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);
        t[p[i]]+=t[i];
    }
    cout<<t[1].mn;

}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 32092 KB Output is correct
2 Correct 8 ms 32092 KB Output is correct
3 Correct 6 ms 32092 KB Output is correct
4 Correct 6 ms 32092 KB Output is correct
5 Correct 6 ms 32204 KB Output is correct
6 Correct 7 ms 32092 KB Output is correct
7 Correct 7 ms 32092 KB Output is correct
8 Correct 8 ms 32092 KB Output is correct
9 Correct 6 ms 32088 KB Output is correct
10 Correct 7 ms 32092 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 32088 KB Output is correct
2 Correct 6 ms 32092 KB Output is correct
3 Correct 6 ms 32092 KB Output is correct
4 Correct 6 ms 32092 KB Output is correct
5 Correct 7 ms 32092 KB Output is correct
6 Correct 6 ms 32088 KB Output is correct
7 Correct 6 ms 32212 KB Output is correct
8 Correct 7 ms 32092 KB Output is correct
9 Correct 6 ms 32092 KB Output is correct
10 Correct 6 ms 32088 KB Output is correct
11 Correct 7 ms 32092 KB Output is correct
12 Correct 7 ms 32220 KB Output is correct
13 Correct 6 ms 32344 KB Output is correct
14 Correct 7 ms 32092 KB Output is correct
15 Correct 6 ms 32092 KB Output is correct
16 Correct 6 ms 32092 KB Output is correct
17 Correct 6 ms 32200 KB Output is correct
18 Correct 7 ms 32092 KB Output is correct
19 Correct 9 ms 32328 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 32092 KB Output is correct
2 Correct 8 ms 32092 KB Output is correct
3 Correct 6 ms 32092 KB Output is correct
4 Correct 6 ms 32092 KB Output is correct
5 Correct 6 ms 32204 KB Output is correct
6 Correct 7 ms 32092 KB Output is correct
7 Correct 7 ms 32092 KB Output is correct
8 Correct 8 ms 32092 KB Output is correct
9 Correct 6 ms 32088 KB Output is correct
10 Correct 7 ms 32092 KB Output is correct
11 Correct 6 ms 32088 KB Output is correct
12 Correct 6 ms 32092 KB Output is correct
13 Correct 6 ms 32092 KB Output is correct
14 Correct 6 ms 32092 KB Output is correct
15 Correct 7 ms 32092 KB Output is correct
16 Correct 6 ms 32088 KB Output is correct
17 Correct 6 ms 32212 KB Output is correct
18 Correct 7 ms 32092 KB Output is correct
19 Correct 6 ms 32092 KB Output is correct
20 Correct 6 ms 32088 KB Output is correct
21 Correct 7 ms 32092 KB Output is correct
22 Correct 7 ms 32220 KB Output is correct
23 Correct 6 ms 32344 KB Output is correct
24 Correct 7 ms 32092 KB Output is correct
25 Correct 6 ms 32092 KB Output is correct
26 Correct 6 ms 32092 KB Output is correct
27 Correct 6 ms 32200 KB Output is correct
28 Correct 7 ms 32092 KB Output is correct
29 Correct 9 ms 32328 KB Output is correct
30 Correct 7 ms 32464 KB Output is correct
31 Correct 8 ms 32988 KB Output is correct
32 Correct 8 ms 33116 KB Output is correct
33 Correct 10 ms 33884 KB Output is correct
34 Correct 10 ms 34652 KB Output is correct
35 Correct 14 ms 37536 KB Output is correct
36 Correct 13 ms 36836 KB Output is correct
37 Correct 15 ms 36440 KB Output is correct
38 Correct 20 ms 43868 KB Output is correct
39 Correct 14 ms 37724 KB Output is correct
40 Correct 8 ms 32796 KB Output is correct
41 Correct 8 ms 32604 KB Output is correct
42 Correct 8 ms 32604 KB Output is correct
43 Correct 140 ms 179024 KB Output is correct
44 Correct 107 ms 141136 KB Output is correct
45 Correct 105 ms 139088 KB Output is correct
46 Correct 9 ms 32860 KB Output is correct
47 Correct 9 ms 32860 KB Output is correct
48 Correct 9 ms 32604 KB Output is correct
49 Correct 9 ms 32860 KB Output is correct
50 Correct 9 ms 32812 KB Output is correct
51 Correct 9 ms 32604 KB Output is correct
52 Correct 12 ms 35420 KB Output is correct
53 Correct 9 ms 33104 KB Output is correct
54 Correct 9 ms 32604 KB Output is correct

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 32092 KB Output is correct
2 Correct 8 ms 32092 KB Output is correct
3 Correct 6 ms 32092 KB Output is correct
4 Correct 6 ms 32092 KB Output is correct
5 Correct 6 ms 32204 KB Output is correct
6 Correct 7 ms 32092 KB Output is correct
7 Correct 7 ms 32092 KB Output is correct
8 Correct 8 ms 32092 KB Output is correct
9 Correct 6 ms 32088 KB Output is correct
10 Correct 7 ms 32092 KB Output is correct
11 Correct 6 ms 32088 KB Output is correct
12 Correct 6 ms 32092 KB Output is correct
13 Correct 6 ms 32092 KB Output is correct
14 Correct 6 ms 32092 KB Output is correct
15 Correct 7 ms 32092 KB Output is correct
16 Correct 6 ms 32088 KB Output is correct
17 Correct 6 ms 32212 KB Output is correct
18 Correct 7 ms 32092 KB Output is correct
19 Correct 6 ms 32092 KB Output is correct
20 Correct 6 ms 32088 KB Output is correct
21 Correct 7 ms 32092 KB Output is correct
22 Correct 7 ms 32220 KB Output is correct
23 Correct 6 ms 32344 KB Output is correct
24 Correct 7 ms 32092 KB Output is correct
25 Correct 6 ms 32092 KB Output is correct
26 Correct 6 ms 32092 KB Output is correct
27 Correct 6 ms 32200 KB Output is correct
28 Correct 7 ms 32092 KB Output is correct
29 Correct 9 ms 32328 KB Output is correct
30 Correct 7 ms 32464 KB Output is correct
31 Correct 8 ms 32988 KB Output is correct
32 Correct 8 ms 33116 KB Output is correct
33 Correct 10 ms 33884 KB Output is correct
34 Correct 10 ms 34652 KB Output is correct
35 Correct 14 ms 37536 KB Output is correct
36 Correct 13 ms 36836 KB Output is correct
37 Correct 15 ms 36440 KB Output is correct
38 Correct 20 ms 43868 KB Output is correct
39 Correct 14 ms 37724 KB Output is correct
40 Correct 8 ms 32796 KB Output is correct
41 Correct 8 ms 32604 KB Output is correct
42 Correct 8 ms 32604 KB Output is correct
43 Correct 140 ms 179024 KB Output is correct
44 Correct 107 ms 141136 KB Output is correct
45 Correct 105 ms 139088 KB Output is correct
46 Correct 9 ms 32860 KB Output is correct
47 Correct 9 ms 32860 KB Output is correct
48 Correct 9 ms 32604 KB Output is correct
49 Correct 9 ms 32860 KB Output is correct
50 Correct 9 ms 32812 KB Output is correct
51 Correct 9 ms 32604 KB Output is correct
52 Correct 12 ms 35420 KB Output is correct
53 Correct 9 ms 33104 KB Output is correct
54 Correct 9 ms 32604 KB Output is correct
55 Correct 39 ms 60508 KB Output is correct
56 Correct 315 ms 302448 KB Output is correct
57 Runtime error 438 ms 524288 KB Execution killed with signal 9
58 Halted 0 ms 0 KB -