oj.uz

Submission #640574

# Submission time Handle Problem Language Result Execution time Memory
640574 2022-09-15T01:16:56 Z minhnhatnoe Paprike (COI18_paprike) C++17
100 / 100
 52 ms 17544 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
int cnt = 0;
vector<vector<int>> g;
vector<ll> h;
ll k;
ll dfs(int v, int p){
    vector<ll> sum;
    for (int u: g[v]){
        if (u == p) continue;
        sum.push_back(dfs(u, v));
    }
    ll sm = accumulate(sum.begin(), sum.end(), 0LL) + h[v];
    sort(sum.begin(), sum.end());
    while (sm > k){
        cnt++;
        sm -= sum.back();
        sum.pop_back();
    }
    return sm;
}


signed main(){
    cin.tie(0)->sync_with_stdio(0);
    int n; cin >> n >> k;
    g.resize(n);
    h.resize(n);
    for (int i=0; i<n; i++){
        cin >> h[i];
    }
    for (int i=1; i<n; i++){
        int a, b; cin >> a >> b;
        g[a-1].push_back(b-1);
        g[b-1].push_back(a-1);
    }
    dfs(0, -1);
    cout << cnt << '\n';
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 38 ms 17484 KB Output is correct
2 Correct 39 ms 17440 KB Output is correct
3 Correct 40 ms 17408 KB Output is correct
4 Correct 42 ms 17404 KB Output is correct
5 Correct 38 ms 17520 KB Output is correct
6 Correct 41 ms 17544 KB Output is correct
7 Correct 38 ms 17500 KB Output is correct
8 Correct 36 ms 17536 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 1 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 0 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 0 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 0 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 0 ms 212 KB Output is correct
18 Correct 1 ms 212 KB Output is correct
19 Correct 0 ms 212 KB Output is correct
20 Correct 0 ms 212 KB Output is correct
21 Correct 0 ms 212 KB Output is correct
22 Correct 38 ms 17484 KB Output is correct
23 Correct 39 ms 17440 KB Output is correct
24 Correct 40 ms 17408 KB Output is correct
25 Correct 42 ms 17404 KB Output is correct
26 Correct 38 ms 17520 KB Output is correct
27 Correct 41 ms 17544 KB Output is correct
28 Correct 38 ms 17500 KB Output is correct
29 Correct 36 ms 17536 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 1 ms 340 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 1 ms 340 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 1 ms 340 KB Output is correct
47 Correct 38 ms 10564 KB Output is correct
48 Correct 38 ms 8696 KB Output is correct
49 Correct 39 ms 8096 KB Output is correct
50 Correct 38 ms 7696 KB Output is correct
51 Correct 44 ms 6604 KB Output is correct
52 Correct 52 ms 6692 KB Output is correct
53 Correct 42 ms 6604 KB Output is correct
54 Correct 45 ms 6652 KB Output is correct
55 Correct 41 ms 6644 KB Output is correct
56 Correct 41 ms 6588 KB Output is correct
57 Correct 28 ms 8036 KB Output is correct