oj.uz

Submission #953161

# Submission time Handle Problem Language Result Execution time Memory
953161 2024-03-25T15:11:32 Z Unforgettablepl Fireworks (APIO16_fireworks) C++17
55 / 100
 2000 ms 73408 KB 
#include <bits/stdc++.h>

#include <utility>
using namespace std;

#define int long long

struct line{
    int m,n;
    multiset<int> points;
    line(){}
    line(int m,int n,multiset<int> points):m(m),n(n),points(points){}
    void operator+=(const line &other){
        m+=other.m;
        n+=other.n;
        for(int i:other.points)points.insert(i);
    }
};

int n,m;
vector<pair<int,int>> adj[300001];
line functions[300001];

void dfs(int x,int p){
    if(x>n) {
        functions[x] = {1, -adj[x][0].second, {adj[x][0].second, adj[x][0].second}};
        return;
    }
    int len = 0;
    line curr(0,0,{});
    for(auto&i:adj[x]){
        if(i.first!=p){
            dfs(i.first,x);
            if(functions[i.first].points.size()>curr.points.size())swap(curr,functions[i.first]);
            curr+=functions[i.first];
        }
        else len = i.second;
    }
    int currsum = curr.n;
    int currslope = curr.m;
    for(auto i=--curr.points.end();i!=curr.points.begin();i--){
        currslope--;
        if(currslope==-1)break;
        currsum+=*i;
    }
    while(curr.m>1){
        curr.m--;
        curr.points.erase(--curr.points.end());
    }
    int f = *--curr.points.end();
    curr.points.erase(--curr.points.end());
    int s = *--curr.points.end();
    curr.points.erase(--curr.points.end());
    curr.points.insert(s+len);
    curr.points.insert(f+len);
    curr.n = currsum-(f+len);
    functions[x] = curr;
}


int32_t main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> n >> m;
    for(int i=2;i<=n+m;i++){
        int p,c;cin>>p>>c;
        adj[i].emplace_back(p,c);
        adj[p].emplace_back(i,c);
    }
    dfs(1,0);
    line ans = functions[1];
    int currsum = ans.n;
    int currslope = ans.m;
    for(auto i=--ans.points.end();i!=ans.points.begin();i--){
        currslope--;
        if(currslope==-1)break;
        currsum+=*i;
    }
    cout << currsum << '\n';
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 26204 KB Output is correct
2 Correct 6 ms 26200 KB Output is correct
3 Correct 6 ms 26204 KB Output is correct
4 Correct 6 ms 26260 KB Output is correct
5 Correct 6 ms 26204 KB Output is correct
6 Correct 6 ms 26204 KB Output is correct
7 Correct 6 ms 26204 KB Output is correct
8 Correct 6 ms 26204 KB Output is correct
9 Correct 6 ms 26460 KB Output is correct
10 Correct 7 ms 26204 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 26204 KB Output is correct
2 Correct 8 ms 26268 KB Output is correct
3 Correct 7 ms 26456 KB Output is correct
4 Correct 6 ms 26200 KB Output is correct
5 Correct 6 ms 26200 KB Output is correct
6 Correct 6 ms 26204 KB Output is correct
7 Correct 5 ms 26204 KB Output is correct
8 Correct 6 ms 26320 KB Output is correct
9 Correct 6 ms 26200 KB Output is correct
10 Correct 6 ms 26204 KB Output is correct
11 Correct 6 ms 26200 KB Output is correct
12 Correct 6 ms 26204 KB Output is correct
13 Correct 6 ms 26456 KB Output is correct
14 Correct 6 ms 26204 KB Output is correct
15 Correct 7 ms 26204 KB Output is correct
16 Correct 6 ms 26204 KB Output is correct
17 Correct 6 ms 26204 KB Output is correct
18 Correct 6 ms 26204 KB Output is correct
19 Correct 7 ms 26204 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 26204 KB Output is correct
2 Correct 6 ms 26200 KB Output is correct
3 Correct 6 ms 26204 KB Output is correct
4 Correct 6 ms 26260 KB Output is correct
5 Correct 6 ms 26204 KB Output is correct
6 Correct 6 ms 26204 KB Output is correct
7 Correct 6 ms 26204 KB Output is correct
8 Correct 6 ms 26204 KB Output is correct
9 Correct 6 ms 26460 KB Output is correct
10 Correct 7 ms 26204 KB Output is correct
11 Correct 6 ms 26204 KB Output is correct
12 Correct 8 ms 26268 KB Output is correct
13 Correct 7 ms 26456 KB Output is correct
14 Correct 6 ms 26200 KB Output is correct
15 Correct 6 ms 26200 KB Output is correct
16 Correct 6 ms 26204 KB Output is correct
17 Correct 5 ms 26204 KB Output is correct
18 Correct 6 ms 26320 KB Output is correct
19 Correct 6 ms 26200 KB Output is correct
20 Correct 6 ms 26204 KB Output is correct
21 Correct 6 ms 26200 KB Output is correct
22 Correct 6 ms 26204 KB Output is correct
23 Correct 6 ms 26456 KB Output is correct
24 Correct 6 ms 26204 KB Output is correct
25 Correct 7 ms 26204 KB Output is correct
26 Correct 6 ms 26204 KB Output is correct
27 Correct 6 ms 26204 KB Output is correct
28 Correct 6 ms 26204 KB Output is correct
29 Correct 7 ms 26204 KB Output is correct
30 Correct 7 ms 26200 KB Output is correct
31 Correct 7 ms 26460 KB Output is correct
32 Correct 8 ms 26448 KB Output is correct
33 Correct 8 ms 26460 KB Output is correct
34 Correct 9 ms 26716 KB Output is correct
35 Correct 10 ms 26744 KB Output is correct
36 Correct 14 ms 26716 KB Output is correct
37 Correct 12 ms 27384 KB Output is correct
38 Correct 15 ms 26968 KB Output is correct
39 Correct 13 ms 27224 KB Output is correct
40 Correct 8 ms 27740 KB Output is correct
41 Correct 8 ms 27740 KB Output is correct
42 Correct 8 ms 26576 KB Output is correct
43 Correct 87 ms 27708 KB Output is correct
44 Correct 68 ms 27396 KB Output is correct
45 Correct 69 ms 27472 KB Output is correct
46 Correct 10 ms 27484 KB Output is correct
47 Correct 9 ms 27528 KB Output is correct
48 Correct 9 ms 27480 KB Output is correct
49 Correct 9 ms 27484 KB Output is correct
50 Correct 9 ms 27256 KB Output is correct
51 Correct 9 ms 27228 KB Output is correct
52 Correct 11 ms 27228 KB Output is correct
53 Correct 10 ms 27484 KB Output is correct
54 Correct 9 ms 27480 KB Output is correct

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 26204 KB Output is correct
2 Correct 6 ms 26200 KB Output is correct
3 Correct 6 ms 26204 KB Output is correct
4 Correct 6 ms 26260 KB Output is correct
5 Correct 6 ms 26204 KB Output is correct
6 Correct 6 ms 26204 KB Output is correct
7 Correct 6 ms 26204 KB Output is correct
8 Correct 6 ms 26204 KB Output is correct
9 Correct 6 ms 26460 KB Output is correct
10 Correct 7 ms 26204 KB Output is correct
11 Correct 6 ms 26204 KB Output is correct
12 Correct 8 ms 26268 KB Output is correct
13 Correct 7 ms 26456 KB Output is correct
14 Correct 6 ms 26200 KB Output is correct
15 Correct 6 ms 26200 KB Output is correct
16 Correct 6 ms 26204 KB Output is correct
17 Correct 5 ms 26204 KB Output is correct
18 Correct 6 ms 26320 KB Output is correct
19 Correct 6 ms 26200 KB Output is correct
20 Correct 6 ms 26204 KB Output is correct
21 Correct 6 ms 26200 KB Output is correct
22 Correct 6 ms 26204 KB Output is correct
23 Correct 6 ms 26456 KB Output is correct
24 Correct 6 ms 26204 KB Output is correct
25 Correct 7 ms 26204 KB Output is correct
26 Correct 6 ms 26204 KB Output is correct
27 Correct 6 ms 26204 KB Output is correct
28 Correct 6 ms 26204 KB Output is correct
29 Correct 7 ms 26204 KB Output is correct
30 Correct 7 ms 26200 KB Output is correct
31 Correct 7 ms 26460 KB Output is correct
32 Correct 8 ms 26448 KB Output is correct
33 Correct 8 ms 26460 KB Output is correct
34 Correct 9 ms 26716 KB Output is correct
35 Correct 10 ms 26744 KB Output is correct
36 Correct 14 ms 26716 KB Output is correct
37 Correct 12 ms 27384 KB Output is correct
38 Correct 15 ms 26968 KB Output is correct
39 Correct 13 ms 27224 KB Output is correct
40 Correct 8 ms 27740 KB Output is correct
41 Correct 8 ms 27740 KB Output is correct
42 Correct 8 ms 26576 KB Output is correct
43 Correct 87 ms 27708 KB Output is correct
44 Correct 68 ms 27396 KB Output is correct
45 Correct 69 ms 27472 KB Output is correct
46 Correct 10 ms 27484 KB Output is correct
47 Correct 9 ms 27528 KB Output is correct
48 Correct 9 ms 27480 KB Output is correct
49 Correct 9 ms 27484 KB Output is correct
50 Correct 9 ms 27256 KB Output is correct
51 Correct 9 ms 27228 KB Output is correct
52 Correct 11 ms 27228 KB Output is correct
53 Correct 10 ms 27484 KB Output is correct
54 Correct 9 ms 27480 KB Output is correct
55 Correct 30 ms 28244 KB Output is correct
56 Correct 207 ms 34384 KB Output is correct
57 Correct 434 ms 40392 KB Output is correct
58 Correct 505 ms 44536 KB Output is correct
59 Correct 1225 ms 50612 KB Output is correct
60 Correct 1214 ms 56744 KB Output is correct
61 Correct 1707 ms 61264 KB Output is correct
62 Correct 1797 ms 65164 KB Output is correct
63 Correct 1798 ms 73408 KB Output is correct
64 Execution timed out 2073 ms 69828 KB Time limit exceeded
65 Halted 0 ms 0 KB -