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Submission #953153

# Submission time Handle Problem Language Result Execution time Memory
953153 2024-03-25T14:55:34 Z Unforgettablepl Fireworks (APIO16_fireworks) C++17
55 / 100
 2000 ms 106280 KB 
#include <bits/stdc++.h>

#include <utility>
using namespace std;

#define int long long

struct line{
    int m,n;
    vector<int> points;
    line(int m,int n,vector<int> points):m(m),n(n),points(points){}
    void operator+=(const line &other){
        m+=other.m;
        n+=other.n;
        vector<int> newpoints(points.size()+other.points.size());
        merge(points.begin(), points.end(),other.points.begin(), other.points.end(),newpoints.begin());
        points = newpoints;
    }
};

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

line dfs(int x,int p){
    if(x>n)return {1,-adj[x][0].second,{adj[x][0].second,adj[x][0].second}};
    int len = 0;
    line curr(0,0,{});
    for(auto&i:adj[x]){
        if(i.first!=p)curr+=dfs(i.first,x);
        else len = i.second;
    }
    int currsum = curr.n;
    int currslope = curr.m;
    for(auto i=curr.points.rbegin();i!=curr.points.rend();i++){
        currslope--;
        if(currslope==-1)break;
        currsum+=*i;
    }
    while(curr.m>1){
        curr.m--;
        curr.points.erase(--curr.points.end());
    }
    curr.points[curr.points.size()-1]+=len;
    curr.points[curr.points.size()-2]+=len;
    curr.n = currsum-curr.points.back();
    return 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);
    }
    auto ans = dfs(1,0);
    int currsum = ans.n;
    int currslope = ans.m;
    for(auto i=ans.points.rbegin();i!=ans.points.rend();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 2 ms 7260 KB Output is correct
2 Correct 2 ms 7500 KB Output is correct
3 Correct 2 ms 7516 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7516 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 3 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7260 KB Output is correct
2 Correct 3 ms 7436 KB Output is correct
3 Correct 2 ms 7260 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7752 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 2 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct
11 Correct 2 ms 7516 KB Output is correct
12 Correct 2 ms 7520 KB Output is correct
13 Correct 2 ms 7516 KB Output is correct
14 Correct 3 ms 7528 KB Output is correct
15 Correct 2 ms 7516 KB Output is correct
16 Correct 2 ms 7516 KB Output is correct
17 Correct 2 ms 7516 KB Output is correct
18 Correct 2 ms 7516 KB Output is correct
19 Correct 2 ms 7516 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7500 KB Output is correct
3 Correct 2 ms 7516 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7516 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 3 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct
11 Correct 3 ms 7260 KB Output is correct
12 Correct 3 ms 7436 KB Output is correct
13 Correct 2 ms 7260 KB Output is correct
14 Correct 2 ms 7516 KB Output is correct
15 Correct 2 ms 7516 KB Output is correct
16 Correct 2 ms 7516 KB Output is correct
17 Correct 2 ms 7752 KB Output is correct
18 Correct 2 ms 7516 KB Output is correct
19 Correct 2 ms 7516 KB Output is correct
20 Correct 2 ms 7516 KB Output is correct
21 Correct 2 ms 7516 KB Output is correct
22 Correct 2 ms 7520 KB Output is correct
23 Correct 2 ms 7516 KB Output is correct
24 Correct 3 ms 7528 KB Output is correct
25 Correct 2 ms 7516 KB Output is correct
26 Correct 2 ms 7516 KB Output is correct
27 Correct 2 ms 7516 KB Output is correct
28 Correct 2 ms 7516 KB Output is correct
29 Correct 2 ms 7516 KB Output is correct
30 Correct 2 ms 7516 KB Output is correct
31 Correct 2 ms 7512 KB Output is correct
32 Correct 2 ms 7512 KB Output is correct
33 Correct 3 ms 7772 KB Output is correct
34 Correct 4 ms 7772 KB Output is correct
35 Correct 4 ms 7772 KB Output is correct
36 Correct 3 ms 7768 KB Output is correct
37 Correct 3 ms 7776 KB Output is correct
38 Correct 5 ms 7772 KB Output is correct
39 Correct 5 ms 7772 KB Output is correct
40 Correct 4 ms 9052 KB Output is correct
41 Correct 4 ms 9048 KB Output is correct
42 Correct 3 ms 7772 KB Output is correct
43 Correct 7 ms 8540 KB Output is correct
44 Correct 7 ms 8284 KB Output is correct
45 Correct 7 ms 8444 KB Output is correct
46 Correct 4 ms 8028 KB Output is correct
47 Correct 5 ms 8028 KB Output is correct
48 Correct 8 ms 7884 KB Output is correct
49 Correct 9 ms 8028 KB Output is correct
50 Correct 14 ms 8028 KB Output is correct
51 Correct 13 ms 7772 KB Output is correct
52 Correct 15 ms 8028 KB Output is correct
53 Correct 10 ms 7772 KB Output is correct
54 Correct 24 ms 8168 KB Output is correct

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 7260 KB Output is correct
2 Correct 2 ms 7500 KB Output is correct
3 Correct 2 ms 7516 KB Output is correct
4 Correct 2 ms 7516 KB Output is correct
5 Correct 2 ms 7516 KB Output is correct
6 Correct 2 ms 7516 KB Output is correct
7 Correct 2 ms 7516 KB Output is correct
8 Correct 2 ms 7516 KB Output is correct
9 Correct 3 ms 7516 KB Output is correct
10 Correct 2 ms 7516 KB Output is correct
11 Correct 3 ms 7260 KB Output is correct
12 Correct 3 ms 7436 KB Output is correct
13 Correct 2 ms 7260 KB Output is correct
14 Correct 2 ms 7516 KB Output is correct
15 Correct 2 ms 7516 KB Output is correct
16 Correct 2 ms 7516 KB Output is correct
17 Correct 2 ms 7752 KB Output is correct
18 Correct 2 ms 7516 KB Output is correct
19 Correct 2 ms 7516 KB Output is correct
20 Correct 2 ms 7516 KB Output is correct
21 Correct 2 ms 7516 KB Output is correct
22 Correct 2 ms 7520 KB Output is correct
23 Correct 2 ms 7516 KB Output is correct
24 Correct 3 ms 7528 KB Output is correct
25 Correct 2 ms 7516 KB Output is correct
26 Correct 2 ms 7516 KB Output is correct
27 Correct 2 ms 7516 KB Output is correct
28 Correct 2 ms 7516 KB Output is correct
29 Correct 2 ms 7516 KB Output is correct
30 Correct 2 ms 7516 KB Output is correct
31 Correct 2 ms 7512 KB Output is correct
32 Correct 2 ms 7512 KB Output is correct
33 Correct 3 ms 7772 KB Output is correct
34 Correct 4 ms 7772 KB Output is correct
35 Correct 4 ms 7772 KB Output is correct
36 Correct 3 ms 7768 KB Output is correct
37 Correct 3 ms 7776 KB Output is correct
38 Correct 5 ms 7772 KB Output is correct
39 Correct 5 ms 7772 KB Output is correct
40 Correct 4 ms 9052 KB Output is correct
41 Correct 4 ms 9048 KB Output is correct
42 Correct 3 ms 7772 KB Output is correct
43 Correct 7 ms 8540 KB Output is correct
44 Correct 7 ms 8284 KB Output is correct
45 Correct 7 ms 8444 KB Output is correct
46 Correct 4 ms 8028 KB Output is correct
47 Correct 5 ms 8028 KB Output is correct
48 Correct 8 ms 7884 KB Output is correct
49 Correct 9 ms 8028 KB Output is correct
50 Correct 14 ms 8028 KB Output is correct
51 Correct 13 ms 7772 KB Output is correct
52 Correct 15 ms 8028 KB Output is correct
53 Correct 10 ms 7772 KB Output is correct
54 Correct 24 ms 8168 KB Output is correct
55 Correct 7 ms 8540 KB Output is correct
56 Correct 34 ms 11588 KB Output is correct
57 Correct 70 ms 14360 KB Output is correct
58 Correct 72 ms 16508 KB Output is correct
59 Correct 158 ms 19036 KB Output is correct
60 Correct 157 ms 21776 KB Output is correct
61 Correct 268 ms 23724 KB Output is correct
62 Correct 233 ms 25704 KB Output is correct
63 Correct 248 ms 28712 KB Output is correct
64 Correct 385 ms 29944 KB Output is correct
65 Correct 123 ms 106108 KB Output is correct
66 Correct 129 ms 106280 KB Output is correct
67 Correct 103 ms 26700 KB Output is correct
68 Execution timed out 2052 ms 71352 KB Time limit exceeded
69 Halted 0 ms 0 KB -