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Submission #913377

# Submission time Handle Problem Language Result Execution time Memory
913377 2024-01-20T07:39:07 Z abcvuitunggio Closing Time (IOI23_closing) C++17
43 / 100
 250 ms 41256 KB 
#include "closing.h"
#include <bits/stdc++.h>
using namespace std;
vector <pair <int, int>> ke[200001];
long long d[200001][2],cur;
int p[200001],ch[200001];
priority_queue <pair <long long, int>, vector <pair <long long, int>>, greater <pair <long long, int>>> q;
void dfs(int u, int i, int par=-1){
    for (auto [v,w]:ke[u])
        if (v!=par){
            d[v][i]=d[u][i]+w;
            p[v]=u;
            dfs(v,i,u);
        }
}
int max_score(int N, int X, int Y, long long K, vector<int> U, vector<int> V, vector<int> W){
    for (int i=0;i<N-1;i++){
        ke[U[i]].push_back({V[i],W[i]});
        ke[V[i]].push_back({U[i],W[i]});
    }
    memset(ch,0,sizeof(ch));
    d[X][0]=d[Y][1]=0;
    dfs(X,0);
    dfs(Y,1);
    for (;X!=Y;X=p[X])
        ch[X]=1;
    ch[Y]=1;
    int res=0,cnt=0;
    for (int i=0;i<N;i++)
        q.push({min(d[i][0],d[i][1]),i});
    cur=0;
    while (!q.empty()&&cur+q.top().first<=K){
        cur+=q.top().first;
        res++;
        q.pop();
    }
    while (!q.empty())
        q.pop();
    cur=0;
    for (int i=0;i<N;i++){
        if (ch[i]){
            q.push({abs(d[i][0]-d[i][1]),i});
            cur+=min(d[i][0],d[i][1]);
            cnt++;
        }
        else
            q.push({min(d[i][0],d[i][1]),i});
    }
    while (!q.empty()&&cur+q.top().first<=K){
        cur+=q.top().first;
        int u=q.top().second;
        cnt++;
        q.pop();
        if (!ch[u]){
            q.push({abs(d[u][0]-d[u][1]),u});
            ch[u]=1;
        }
    }
    while (!q.empty())
        q.pop();
    for (int i=0;i<N;i++)
        ke[i].clear();
    return max(res,(cur>K?0:cnt));
}

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 231 ms 32304 KB Output is correct
2 Correct 250 ms 41256 KB Output is correct
3 Correct 86 ms 12912 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7928 KB Output is correct
2 Correct 3 ms 7772 KB Output is correct
3 Correct 3 ms 7772 KB Output is correct
4 Correct 3 ms 7772 KB Output is correct
5 Correct 3 ms 7772 KB Output is correct
6 Correct 2 ms 7768 KB Output is correct
7 Correct 2 ms 7768 KB Output is correct
8 Correct 3 ms 7772 KB Output is correct
9 Correct 2 ms 7772 KB Output is correct
10 Correct 3 ms 7928 KB Output is correct
11 Correct 2 ms 7772 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7928 KB Output is correct
2 Correct 3 ms 7772 KB Output is correct
3 Correct 3 ms 7772 KB Output is correct
4 Correct 3 ms 7772 KB Output is correct
5 Correct 3 ms 7772 KB Output is correct
6 Correct 2 ms 7768 KB Output is correct
7 Correct 2 ms 7768 KB Output is correct
8 Correct 3 ms 7772 KB Output is correct
9 Correct 2 ms 7772 KB Output is correct
10 Correct 3 ms 7928 KB Output is correct
11 Correct 2 ms 7772 KB Output is correct
12 Correct 2 ms 7772 KB Output is correct
13 Correct 3 ms 7768 KB Output is correct
14 Correct 3 ms 7768 KB Output is correct
15 Correct 2 ms 7768 KB Output is correct
16 Correct 3 ms 7768 KB Output is correct
17 Correct 2 ms 7772 KB Output is correct
18 Correct 3 ms 7772 KB Output is correct
19 Correct 3 ms 7772 KB Output is correct
20 Correct 3 ms 7768 KB Output is correct
21 Correct 3 ms 7772 KB Output is correct
22 Correct 3 ms 7772 KB Output is correct
23 Correct 3 ms 7768 KB Output is correct
24 Correct 4 ms 7924 KB Output is correct

Subtask #4
14.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 7928 KB Output is correct
2 Correct 3 ms 7772 KB Output is correct
3 Correct 3 ms 7772 KB Output is correct
4 Correct 3 ms 7772 KB Output is correct
5 Correct 3 ms 7772 KB Output is correct
6 Correct 2 ms 7768 KB Output is correct
7 Correct 2 ms 7768 KB Output is correct
8 Correct 3 ms 7772 KB Output is correct
9 Correct 2 ms 7772 KB Output is correct
10 Correct 3 ms 7928 KB Output is correct
11 Correct 2 ms 7772 KB Output is correct
12 Correct 2 ms 7772 KB Output is correct
13 Correct 3 ms 7768 KB Output is correct
14 Correct 3 ms 7768 KB Output is correct
15 Correct 2 ms 7768 KB Output is correct
16 Correct 3 ms 7768 KB Output is correct
17 Correct 2 ms 7772 KB Output is correct
18 Correct 3 ms 7772 KB Output is correct
19 Correct 3 ms 7772 KB Output is correct
20 Correct 3 ms 7768 KB Output is correct
21 Correct 3 ms 7772 KB Output is correct
22 Correct 3 ms 7772 KB Output is correct
23 Correct 3 ms 7768 KB Output is correct
24 Correct 4 ms 7924 KB Output is correct
25 Correct 5 ms 7772 KB Output is correct
26 Correct 4 ms 8024 KB Output is correct
27 Correct 3 ms 8024 KB Output is correct
28 Correct 4 ms 8028 KB Output is correct
29 Correct 4 ms 8024 KB Output is correct
30 Correct 5 ms 8028 KB Output is correct
31 Correct 4 ms 8028 KB Output is correct
32 Correct 4 ms 8284 KB Output is correct

Subtask #5
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 4 ms 7928 KB Output is correct
3 Correct 3 ms 7772 KB Output is correct
4 Correct 3 ms 7772 KB Output is correct
5 Correct 3 ms 7772 KB Output is correct
6 Correct 3 ms 7772 KB Output is correct
7 Incorrect 2 ms 7768 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
8 Halted 0 ms 0 KB -

Subtask #6
0.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 4 ms 7928 KB Output is correct
3 Correct 3 ms 7772 KB Output is correct
4 Correct 3 ms 7772 KB Output is correct
5 Correct 3 ms 7772 KB Output is correct
6 Correct 3 ms 7772 KB Output is correct
7 Correct 2 ms 7768 KB Output is correct
8 Correct 2 ms 7768 KB Output is correct
9 Correct 3 ms 7772 KB Output is correct
10 Correct 2 ms 7772 KB Output is correct
11 Correct 3 ms 7928 KB Output is correct
12 Correct 2 ms 7772 KB Output is correct
13 Correct 2 ms 7772 KB Output is correct
14 Correct 3 ms 7768 KB Output is correct
15 Correct 3 ms 7768 KB Output is correct
16 Correct 2 ms 7768 KB Output is correct
17 Correct 3 ms 7768 KB Output is correct
18 Correct 2 ms 7772 KB Output is correct
19 Incorrect 2 ms 7768 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
20 Halted 0 ms 0 KB -

Subtask #7
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 4 ms 7928 KB Output is correct
3 Correct 3 ms 7772 KB Output is correct
4 Correct 3 ms 7772 KB Output is correct
5 Correct 3 ms 7772 KB Output is correct
6 Correct 3 ms 7772 KB Output is correct
7 Correct 2 ms 7768 KB Output is correct
8 Correct 2 ms 7768 KB Output is correct
9 Correct 3 ms 7772 KB Output is correct
10 Correct 2 ms 7772 KB Output is correct
11 Correct 3 ms 7928 KB Output is correct
12 Correct 2 ms 7772 KB Output is correct
13 Correct 2 ms 7772 KB Output is correct
14 Correct 3 ms 7768 KB Output is correct
15 Correct 3 ms 7768 KB Output is correct
16 Correct 2 ms 7768 KB Output is correct
17 Correct 3 ms 7768 KB Output is correct
18 Correct 2 ms 7772 KB Output is correct
19 Correct 3 ms 7772 KB Output is correct
20 Correct 3 ms 7772 KB Output is correct
21 Correct 3 ms 7768 KB Output is correct
22 Correct 3 ms 7772 KB Output is correct
23 Correct 3 ms 7772 KB Output is correct
24 Correct 3 ms 7768 KB Output is correct
25 Correct 4 ms 7924 KB Output is correct
26 Incorrect 2 ms 7768 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
27 Halted 0 ms 0 KB -

Subtask #8
0.0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 4 ms 7928 KB Output is correct
3 Correct 3 ms 7772 KB Output is correct
4 Correct 3 ms 7772 KB Output is correct
5 Correct 3 ms 7772 KB Output is correct
6 Correct 3 ms 7772 KB Output is correct
7 Correct 2 ms 7768 KB Output is correct
8 Correct 2 ms 7768 KB Output is correct
9 Correct 3 ms 7772 KB Output is correct
10 Correct 2 ms 7772 KB Output is correct
11 Correct 3 ms 7928 KB Output is correct
12 Correct 2 ms 7772 KB Output is correct
13 Correct 2 ms 7772 KB Output is correct
14 Correct 3 ms 7768 KB Output is correct
15 Correct 3 ms 7768 KB Output is correct
16 Correct 2 ms 7768 KB Output is correct
17 Correct 3 ms 7768 KB Output is correct
18 Correct 2 ms 7772 KB Output is correct
19 Correct 3 ms 7772 KB Output is correct
20 Correct 3 ms 7772 KB Output is correct
21 Correct 3 ms 7768 KB Output is correct
22 Correct 3 ms 7772 KB Output is correct
23 Correct 3 ms 7772 KB Output is correct
24 Correct 3 ms 7768 KB Output is correct
25 Correct 4 ms 7924 KB Output is correct
26 Correct 5 ms 7772 KB Output is correct
27 Correct 4 ms 8024 KB Output is correct
28 Correct 3 ms 8024 KB Output is correct
29 Correct 4 ms 8028 KB Output is correct
30 Correct 4 ms 8024 KB Output is correct
31 Correct 5 ms 8028 KB Output is correct
32 Correct 4 ms 8028 KB Output is correct
33 Correct 4 ms 8284 KB Output is correct
34 Incorrect 2 ms 7768 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
35 Halted 0 ms 0 KB -

Subtask #9
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 3 ms 7772 KB Output is correct
2 Correct 4 ms 7928 KB Output is correct
3 Correct 3 ms 7772 KB Output is correct
4 Correct 3 ms 7772 KB Output is correct
5 Correct 3 ms 7772 KB Output is correct
6 Correct 3 ms 7772 KB Output is correct
7 Correct 2 ms 7768 KB Output is correct
8 Correct 2 ms 7768 KB Output is correct
9 Correct 3 ms 7772 KB Output is correct
10 Correct 2 ms 7772 KB Output is correct
11 Correct 3 ms 7928 KB Output is correct
12 Correct 2 ms 7772 KB Output is correct
13 Correct 2 ms 7772 KB Output is correct
14 Correct 3 ms 7768 KB Output is correct
15 Correct 3 ms 7768 KB Output is correct
16 Correct 2 ms 7768 KB Output is correct
17 Correct 3 ms 7768 KB Output is correct
18 Correct 2 ms 7772 KB Output is correct
19 Correct 3 ms 7772 KB Output is correct
20 Correct 3 ms 7772 KB Output is correct
21 Correct 3 ms 7768 KB Output is correct
22 Correct 3 ms 7772 KB Output is correct
23 Correct 3 ms 7772 KB Output is correct
24 Correct 3 ms 7768 KB Output is correct
25 Correct 4 ms 7924 KB Output is correct
26 Correct 5 ms 7772 KB Output is correct
27 Correct 4 ms 8024 KB Output is correct
28 Correct 3 ms 8024 KB Output is correct
29 Correct 4 ms 8028 KB Output is correct
30 Correct 4 ms 8024 KB Output is correct
31 Correct 5 ms 8028 KB Output is correct
32 Correct 4 ms 8028 KB Output is correct
33 Correct 4 ms 8284 KB Output is correct
34 Incorrect 2 ms 7768 KB 1st lines differ - on the 1st token, expected: '6', found: '5'
35 Halted 0 ms 0 KB -