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Submission #557101

# Submission time Handle Problem Language Result Execution time Memory
557101 2022-05-04T18:06:56 Z Yazan_Alattar Paprike (COI18_paprike) C++14
100 / 100
 60 ms 21872 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
#define F first
#define S second
#define pb push_back
#define endl "\n"
#define all(x) x.begin(), x.end()
const int M = 200007;
const ll inf = 2e9;
const ll mod = 1e9 + 7;
const double pi = acos(-1);
const double eps = 1e-6;
const int dx[] = {0, -1, 0, 1}, dy[] = {1, 0, -1, 0};
const int block = 320;

vector <int> adj[M];
ll n, k, a[M], ans;

ll dfs(int node, int p){
    vector <ll> v;
    for(auto i : adj[node]) if(i != p) v.pb(dfs(i, node));

    ll ret = a[node];
    sort(all(v));
    for(auto i : v)
        if(ret + i <= k) ret += i;
        else ++ans;
    return ret;
}

int main(){
    ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    cin >> n >> k;
    for(int i = 1; i <= n; ++i) cin >> a[i];
    for(int i = 1; i < n; ++i){
        int v, u;
        cin >> v >> u;
        adj[v].pb(u);
        adj[u].pb(v);
    }

    dfs(1, 0);
    cout << ans << endl;
    return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 3 ms 5028 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 4 ms 4948 KB Output is correct
9 Correct 3 ms 5028 KB Output is correct
10 Correct 3 ms 5028 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 5024 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 4 ms 4936 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5020 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 46 ms 21772 KB Output is correct
2 Correct 48 ms 21760 KB Output is correct
3 Correct 43 ms 21872 KB Output is correct
4 Correct 46 ms 21768 KB Output is correct
5 Correct 51 ms 21732 KB Output is correct
6 Correct 45 ms 21720 KB Output is correct
7 Correct 48 ms 21684 KB Output is correct
8 Correct 53 ms 21268 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 3 ms 5028 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 4 ms 4948 KB Output is correct
9 Correct 3 ms 5028 KB Output is correct
10 Correct 3 ms 5028 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 5024 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 4 ms 4936 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5020 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 3 ms 5040 KB Output is correct
23 Correct 3 ms 5060 KB Output is correct
24 Correct 3 ms 5076 KB Output is correct
25 Correct 3 ms 5040 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 3 ms 5076 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5076 KB Output is correct
30 Correct 3 ms 5076 KB Output is correct
31 Correct 4 ms 5076 KB Output is correct
32 Correct 4 ms 5032 KB Output is correct
33 Correct 4 ms 5076 KB Output is correct
34 Correct 4 ms 5076 KB Output is correct
35 Correct 3 ms 5032 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 4948 KB Output is correct
2 Correct 3 ms 5028 KB Output is correct
3 Correct 3 ms 5024 KB Output is correct
4 Correct 2 ms 4948 KB Output is correct
5 Correct 3 ms 4948 KB Output is correct
6 Correct 3 ms 4948 KB Output is correct
7 Correct 3 ms 4948 KB Output is correct
8 Correct 4 ms 4948 KB Output is correct
9 Correct 3 ms 5028 KB Output is correct
10 Correct 3 ms 5028 KB Output is correct
11 Correct 3 ms 4948 KB Output is correct
12 Correct 3 ms 5024 KB Output is correct
13 Correct 3 ms 4948 KB Output is correct
14 Correct 2 ms 4948 KB Output is correct
15 Correct 2 ms 4948 KB Output is correct
16 Correct 3 ms 4948 KB Output is correct
17 Correct 4 ms 4936 KB Output is correct
18 Correct 3 ms 4948 KB Output is correct
19 Correct 3 ms 5020 KB Output is correct
20 Correct 4 ms 4948 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 46 ms 21772 KB Output is correct
23 Correct 48 ms 21760 KB Output is correct
24 Correct 43 ms 21872 KB Output is correct
25 Correct 46 ms 21768 KB Output is correct
26 Correct 51 ms 21732 KB Output is correct
27 Correct 45 ms 21720 KB Output is correct
28 Correct 48 ms 21684 KB Output is correct
29 Correct 53 ms 21268 KB Output is correct
30 Correct 3 ms 5040 KB Output is correct
31 Correct 3 ms 5060 KB Output is correct
32 Correct 3 ms 5076 KB Output is correct
33 Correct 3 ms 5040 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct
39 Correct 4 ms 5076 KB Output is correct
40 Correct 4 ms 5032 KB Output is correct
41 Correct 4 ms 5076 KB Output is correct
42 Correct 4 ms 5076 KB Output is correct
43 Correct 3 ms 5032 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 47 ms 14912 KB Output is correct
48 Correct 45 ms 13116 KB Output is correct
49 Correct 43 ms 12344 KB Output is correct
50 Correct 48 ms 11980 KB Output is correct
51 Correct 55 ms 10880 KB Output is correct
52 Correct 52 ms 10924 KB Output is correct
53 Correct 56 ms 10816 KB Output is correct
54 Correct 60 ms 10932 KB Output is correct
55 Correct 55 ms 10396 KB Output is correct
56 Correct 50 ms 10336 KB Output is correct
57 Correct 32 ms 12120 KB Output is correct