oj.uz

Submission #998743

# Submission time Handle Problem Language Result Execution time Memory
998743 2024-06-14T15:41:35 Z mdn2002 Closing Time (IOI23_closing) C++17
29 / 100
 1000 ms 87696 KB 
/*
Mayoeba Yabureru
*/
#include "closing.h"
#include<bits/stdc++.h>
using namespace std;

int max_score(int n, int x, int y, long long k, vector<int> U, vector<int> V, vector<int> W) {
    x ++, y ++;
    vector dis(n + 1, vector<long long>(2));
    vector<vector<pair<int, long long>>> gr(n + 1);

    for (int i = 0; i < n - 1; i ++) {
        int u = U[i] + 1, v = V[i] + 1, w = W[i];
        gr[u].push_back({v, w});
        gr[v].push_back({u, w});
    }

    function<void(int, int, int)> dfs = [&] (int v, int p, int wt) {
        for (auto [u, w] : gr[v]) {
            if (u == p) continue;
            dis[u][wt] = dis[v][wt] + w;
            dfs(u, v, wt);
        }
    };
    dfs(x, 0, 0), dfs(y, 0, 1);

    multiset<pair<long long, int>> ms;

    vector<int> did(n + 1);
    int ans = 0;

    function f = [&] {
        multiset<pair<long long, int>> s;
        for (int i = 1; i <= n; i ++) {
            if (did[i]) continue;
            s.insert({dis[i][0], i});
            s.insert({dis[i][1], i});
        }
        int cnt = 0;
        vector<int> v;
        function<void(int, int, int)> go = [&] (int x, int p, int wt) {
            v.push_back(x);
            if (did[x] == 2) {
                for (auto u : v) {
                    if (did[u] == 0) {
                        did[u] = 1;
                        k -= dis[u][wt];
                        cnt ++;
                    }
                }
            }
            for (auto [u, w] : gr[x]) {
                if (u == p) continue;
                go(u, x, wt);
            }
            v.pop_back();
        };
        go(x, 0, 0), go(y, 0, 1);

        while (s.size()) {
            auto [x, y] = *s.begin();
            s.erase(s.begin());
            if (did[y]) continue;
            if (x > k) break;
            k -= x;
            did[y] = 1;
            cnt ++;
        }
        if (k >= 0) return cnt;
        return -100000000;
    };

    long long kk = k;
    ans = f();

    for (int i = 1; i <= n; i ++) did[i] = 0;
    int cnt = 0;
    k = kk;

    for (int i = 1; i <= n; i ++) ms.insert({max(dis[i][0], dis[i][1]), i});

    while (ms.size()) {
        vector<int> odid = did;
        long long kk = k;
        ans = max(ans, cnt + f());

        did = odid;
        k = kk;
        auto [x, y] = *ms.begin();
        ms.erase(ms.begin());
        if (x > k) break;
        k -= x;
        did[y] = 2;
        cnt += 2;
    }

    return ans;
}
/*
2
7 0 2 10
0 1 2
0 3 3
1 2 4
2 4 2
2 5 5
5 6 3

4 0 3 20
0 1 18
1 2 1
2 3 19
*/

Subtask #0
0.0 / 0.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct

Subtask #1
8.0 / 8.0

# Verdict Execution time Memory Grader output
1 Correct 683 ms 78596 KB Output is correct
2 Correct 658 ms 87696 KB Output is correct
3 Correct 182 ms 3160 KB Output is correct

Subtask #2
9.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 372 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct

Subtask #3
12.0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 372 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 452 KB Output is correct
19 Correct 29 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 46 ms 624 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 29 ms 664 KB Output is correct
24 Correct 28 ms 668 KB Output is correct

Subtask #4
0.0 / 14.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 372 KB Output is correct
9 Correct 0 ms 348 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 1 ms 348 KB Output is correct
13 Correct 0 ms 348 KB Output is correct
14 Correct 1 ms 604 KB Output is correct
15 Correct 1 ms 348 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 452 KB Output is correct
19 Correct 29 ms 604 KB Output is correct
20 Correct 2 ms 604 KB Output is correct
21 Correct 46 ms 624 KB Output is correct
22 Correct 1 ms 604 KB Output is correct
23 Correct 29 ms 664 KB Output is correct
24 Correct 28 ms 668 KB Output is correct
25 Correct 12 ms 348 KB Output is correct
26 Execution timed out 1093 ms 1752 KB Time limit exceeded
27 Halted 0 ms 0 KB -

Subtask #5
0.0 / 9.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Incorrect 0 ms 344 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 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 372 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Incorrect 0 ms 344 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 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 372 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 452 KB Output is correct
20 Correct 29 ms 604 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 46 ms 624 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 29 ms 664 KB Output is correct
25 Correct 28 ms 668 KB Output is correct
26 Incorrect 0 ms 344 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 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 372 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 452 KB Output is correct
20 Correct 29 ms 604 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 46 ms 624 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 29 ms 664 KB Output is correct
25 Correct 28 ms 668 KB Output is correct
26 Correct 12 ms 348 KB Output is correct
27 Execution timed out 1093 ms 1752 KB Time limit exceeded
28 Halted 0 ms 0 KB -

Subtask #9
0.0 / 17.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 348 KB Output is correct
2 Correct 0 ms 344 KB Output is correct
3 Correct 0 ms 348 KB Output is correct
4 Correct 0 ms 348 KB Output is correct
5 Correct 0 ms 348 KB Output is correct
6 Correct 0 ms 348 KB Output is correct
7 Correct 0 ms 348 KB Output is correct
8 Correct 0 ms 348 KB Output is correct
9 Correct 0 ms 372 KB Output is correct
10 Correct 0 ms 348 KB Output is correct
11 Correct 0 ms 348 KB Output is correct
12 Correct 0 ms 348 KB Output is correct
13 Correct 1 ms 348 KB Output is correct
14 Correct 0 ms 348 KB Output is correct
15 Correct 1 ms 604 KB Output is correct
16 Correct 1 ms 348 KB Output is correct
17 Correct 1 ms 348 KB Output is correct
18 Correct 1 ms 348 KB Output is correct
19 Correct 1 ms 452 KB Output is correct
20 Correct 29 ms 604 KB Output is correct
21 Correct 2 ms 604 KB Output is correct
22 Correct 46 ms 624 KB Output is correct
23 Correct 1 ms 604 KB Output is correct
24 Correct 29 ms 664 KB Output is correct
25 Correct 28 ms 668 KB Output is correct
26 Correct 12 ms 348 KB Output is correct
27 Execution timed out 1093 ms 1752 KB Time limit exceeded
28 Halted 0 ms 0 KB -