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Submission #210345

# Submission time Handle Problem Language Result Execution time Memory
210345 2020-03-17T06:03:51 Z joylintp Paprike (COI18_paprike) C++14
100 / 100
 85 ms 16888 KB 
#include<bits/stdc++.h>
using namespace std;

//#pragma gcc optimize("O3,unroll-loop")
//#pragma gcc target("sse,sse2,sse3,ssse3,sse4,avx,avx2,fma,abm,mmx,popcnt,tune=native")
#define int long long

bool vis[100001];
int n, kk, val[100001], dp[100001], ans;
vector<int> edge[100001];

int dfs(int k)
{
    vis[k] = true;

    vector<int> vs;
    dp[k] = val[k];
    for (int i : edge[k])
        if (!vis[i])
        {
            int t = dfs(i);
            vs.push_back(t), dp[k] += t;
        }
    sort(vs.begin(), vs.end(), greater<int>());

    int t = 0;
    while (dp[k] > kk)
        dp[k] -= vs[t], t++, ans++;
    return dp[k];
}

signed main()
{
    ios_base::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> kk;
    for (int i = 1; i <= n; i++)
        cin >> val[i];

    int a, b;
    for (int i = 1; i < n; i++)
        cin >> a >> b, edge[a].push_back(b), edge[b].push_back(a);
    dfs(1);
    cout << ans << '\n';

    return 0;
}

//      *   *  *****  *   *  *   *
//     *   *  *      **  *  *   *
//    *****  *****  * * *  *   *
//   *   *      *  *  **  *   *
//  *   *  *****  *   *   ***

//      ***** ***** *   * *     ***** *   * ***** *****
//        *  *   * *   * *       *   **  *   *   *   *
//       *  *   * ***** *       *   * * *   *   *****
//   *  *  *   *   *   *       *   *  **   *   *
//  ****  *****   *   ***** ***** *   *   *   *

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2680 KB Output is correct
2 Correct 6 ms 2680 KB Output is correct
3 Correct 7 ms 2680 KB Output is correct
4 Correct 6 ms 2680 KB Output is correct
5 Correct 6 ms 2680 KB Output is correct
6 Correct 6 ms 2680 KB Output is correct
7 Correct 6 ms 2680 KB Output is correct
8 Correct 6 ms 2680 KB Output is correct
9 Correct 6 ms 2680 KB Output is correct
10 Correct 6 ms 2680 KB Output is correct
11 Correct 6 ms 2680 KB Output is correct
12 Correct 6 ms 2680 KB Output is correct
13 Correct 6 ms 2680 KB Output is correct
14 Correct 6 ms 2680 KB Output is correct
15 Correct 6 ms 2680 KB Output is correct
16 Correct 6 ms 2680 KB Output is correct
17 Correct 6 ms 2680 KB Output is correct
18 Correct 6 ms 2680 KB Output is correct
19 Correct 6 ms 2680 KB Output is correct
20 Correct 6 ms 2680 KB Output is correct
21 Correct 6 ms 2684 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 71 ms 16888 KB Output is correct
2 Correct 75 ms 16888 KB Output is correct
3 Correct 65 ms 16888 KB Output is correct
4 Correct 65 ms 16888 KB Output is correct
5 Correct 66 ms 16888 KB Output is correct
6 Correct 65 ms 16888 KB Output is correct
7 Correct 62 ms 16888 KB Output is correct
8 Correct 62 ms 16852 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2680 KB Output is correct
2 Correct 6 ms 2680 KB Output is correct
3 Correct 7 ms 2680 KB Output is correct
4 Correct 6 ms 2680 KB Output is correct
5 Correct 6 ms 2680 KB Output is correct
6 Correct 6 ms 2680 KB Output is correct
7 Correct 6 ms 2680 KB Output is correct
8 Correct 6 ms 2680 KB Output is correct
9 Correct 6 ms 2680 KB Output is correct
10 Correct 6 ms 2680 KB Output is correct
11 Correct 6 ms 2680 KB Output is correct
12 Correct 6 ms 2680 KB Output is correct
13 Correct 6 ms 2680 KB Output is correct
14 Correct 6 ms 2680 KB Output is correct
15 Correct 6 ms 2680 KB Output is correct
16 Correct 6 ms 2680 KB Output is correct
17 Correct 6 ms 2680 KB Output is correct
18 Correct 6 ms 2680 KB Output is correct
19 Correct 6 ms 2680 KB Output is correct
20 Correct 6 ms 2680 KB Output is correct
21 Correct 6 ms 2684 KB Output is correct
22 Correct 7 ms 2808 KB Output is correct
23 Correct 7 ms 2808 KB Output is correct
24 Correct 7 ms 2680 KB Output is correct
25 Correct 7 ms 2808 KB Output is correct
26 Correct 6 ms 2808 KB Output is correct
27 Correct 6 ms 2680 KB Output is correct
28 Correct 7 ms 2680 KB Output is correct
29 Correct 6 ms 2680 KB Output is correct
30 Correct 6 ms 2680 KB Output is correct
31 Correct 7 ms 2680 KB Output is correct
32 Correct 7 ms 2680 KB Output is correct
33 Correct 7 ms 2684 KB Output is correct
34 Correct 7 ms 2808 KB Output is correct
35 Correct 7 ms 2680 KB Output is correct
36 Correct 6 ms 2680 KB Output is correct
37 Correct 6 ms 2680 KB Output is correct
38 Correct 6 ms 2808 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2680 KB Output is correct
2 Correct 6 ms 2680 KB Output is correct
3 Correct 7 ms 2680 KB Output is correct
4 Correct 6 ms 2680 KB Output is correct
5 Correct 6 ms 2680 KB Output is correct
6 Correct 6 ms 2680 KB Output is correct
7 Correct 6 ms 2680 KB Output is correct
8 Correct 6 ms 2680 KB Output is correct
9 Correct 6 ms 2680 KB Output is correct
10 Correct 6 ms 2680 KB Output is correct
11 Correct 6 ms 2680 KB Output is correct
12 Correct 6 ms 2680 KB Output is correct
13 Correct 6 ms 2680 KB Output is correct
14 Correct 6 ms 2680 KB Output is correct
15 Correct 6 ms 2680 KB Output is correct
16 Correct 6 ms 2680 KB Output is correct
17 Correct 6 ms 2680 KB Output is correct
18 Correct 6 ms 2680 KB Output is correct
19 Correct 6 ms 2680 KB Output is correct
20 Correct 6 ms 2680 KB Output is correct
21 Correct 6 ms 2684 KB Output is correct
22 Correct 71 ms 16888 KB Output is correct
23 Correct 75 ms 16888 KB Output is correct
24 Correct 65 ms 16888 KB Output is correct
25 Correct 65 ms 16888 KB Output is correct
26 Correct 66 ms 16888 KB Output is correct
27 Correct 65 ms 16888 KB Output is correct
28 Correct 62 ms 16888 KB Output is correct
29 Correct 62 ms 16852 KB Output is correct
30 Correct 7 ms 2808 KB Output is correct
31 Correct 7 ms 2808 KB Output is correct
32 Correct 7 ms 2680 KB Output is correct
33 Correct 7 ms 2808 KB Output is correct
34 Correct 6 ms 2808 KB Output is correct
35 Correct 6 ms 2680 KB Output is correct
36 Correct 7 ms 2680 KB Output is correct
37 Correct 6 ms 2680 KB Output is correct
38 Correct 6 ms 2680 KB Output is correct
39 Correct 7 ms 2680 KB Output is correct
40 Correct 7 ms 2680 KB Output is correct
41 Correct 7 ms 2684 KB Output is correct
42 Correct 7 ms 2808 KB Output is correct
43 Correct 7 ms 2680 KB Output is correct
44 Correct 6 ms 2680 KB Output is correct
45 Correct 6 ms 2680 KB Output is correct
46 Correct 6 ms 2808 KB Output is correct
47 Correct 77 ms 13048 KB Output is correct
48 Correct 65 ms 11512 KB Output is correct
49 Correct 68 ms 10872 KB Output is correct
50 Correct 66 ms 10616 KB Output is correct
51 Correct 78 ms 9720 KB Output is correct
52 Correct 81 ms 9720 KB Output is correct
53 Correct 85 ms 9788 KB Output is correct
54 Correct 80 ms 9720 KB Output is correct
55 Correct 73 ms 9464 KB Output is correct
56 Correct 73 ms 9464 KB Output is correct
57 Correct 49 ms 11116 KB Output is correct