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Submission #913912

# Submission time Handle Problem Language Result Execution time Memory
913912 2024-01-20T13:26:45 Z ParsaS Paprike (COI18_paprike) C++17
100 / 100
 38 ms 22044 KB 
// In the name of God
#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define fi first
#define se second
#define mp make_pair
typedef long long ll;

const int N = 2e5 + 5;
int n, k, h[N];
int ans, dp[N];
vector<int> adj[N];

void dfs(int v, int p) {
	dp[v] = h[v];
	vector<int> vec;
	for (auto u : adj[v]) {
		if (u != p) {
			dfs(u, v);
			vec.pb(dp[u]);
		}
	}
	sort(vec.begin(), vec.end());
	ans += (int)vec.size();
	for (int i = 0; i < (int)vec.size() && vec[i] + dp[v] <= k; dp[v] += vec[i], i++, ans--);
}

void solve() {
	cin >> n >> k;
	for (int i = 1; i <= n; i++)
		cin >> h[i];
	for (int i = 0; i < n - 1; i++) {
		int v, u; cin >> v >> u;
		adj[v].pb(u), adj[u].pb(v);
	}
	dfs(1, 0);
	cout << ans << endl;
}

int32_t main() {
	ios::sync_with_stdio(0), cin.tie(0), cout.tie(0);

	int tc = 1; // cin >> tc;
	while (tc--) {
		solve();
	}

	return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 2 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 5208 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 2 ms 4956 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 5168 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 2 ms 5164 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4960 KB Output is correct
20 Correct 2 ms 4956 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 37 ms 21876 KB Output is correct
2 Correct 37 ms 21840 KB Output is correct
3 Correct 38 ms 21844 KB Output is correct
4 Correct 38 ms 21852 KB Output is correct
5 Correct 37 ms 21844 KB Output is correct
6 Correct 36 ms 21720 KB Output is correct
7 Correct 35 ms 22044 KB Output is correct
8 Correct 33 ms 21332 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 2 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 5208 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 2 ms 4956 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 5168 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 2 ms 5164 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4960 KB Output is correct
20 Correct 2 ms 4956 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 2 ms 5212 KB Output is correct
23 Correct 2 ms 5212 KB Output is correct
24 Correct 2 ms 5212 KB Output is correct
25 Correct 2 ms 5212 KB Output is correct
26 Correct 2 ms 5228 KB Output is correct
27 Correct 2 ms 5212 KB Output is correct
28 Correct 2 ms 5172 KB Output is correct
29 Correct 2 ms 5212 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 4 ms 5212 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5212 KB Output is correct
35 Correct 2 ms 5212 KB Output is correct
36 Correct 2 ms 5212 KB Output is correct
37 Correct 2 ms 5172 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 4956 KB Output is correct
2 Correct 2 ms 4956 KB Output is correct
3 Correct 2 ms 4956 KB Output is correct
4 Correct 2 ms 4956 KB Output is correct
5 Correct 2 ms 4956 KB Output is correct
6 Correct 2 ms 4956 KB Output is correct
7 Correct 2 ms 4956 KB Output is correct
8 Correct 2 ms 5208 KB Output is correct
9 Correct 2 ms 4956 KB Output is correct
10 Correct 2 ms 4956 KB Output is correct
11 Correct 2 ms 4956 KB Output is correct
12 Correct 1 ms 4956 KB Output is correct
13 Correct 1 ms 5168 KB Output is correct
14 Correct 2 ms 4956 KB Output is correct
15 Correct 2 ms 4956 KB Output is correct
16 Correct 2 ms 5164 KB Output is correct
17 Correct 2 ms 4956 KB Output is correct
18 Correct 2 ms 4956 KB Output is correct
19 Correct 2 ms 4960 KB Output is correct
20 Correct 2 ms 4956 KB Output is correct
21 Correct 2 ms 4956 KB Output is correct
22 Correct 37 ms 21876 KB Output is correct
23 Correct 37 ms 21840 KB Output is correct
24 Correct 38 ms 21844 KB Output is correct
25 Correct 38 ms 21852 KB Output is correct
26 Correct 37 ms 21844 KB Output is correct
27 Correct 36 ms 21720 KB Output is correct
28 Correct 35 ms 22044 KB Output is correct
29 Correct 33 ms 21332 KB Output is correct
30 Correct 2 ms 5212 KB Output is correct
31 Correct 2 ms 5212 KB Output is correct
32 Correct 2 ms 5212 KB Output is correct
33 Correct 2 ms 5212 KB Output is correct
34 Correct 2 ms 5228 KB Output is correct
35 Correct 2 ms 5212 KB Output is correct
36 Correct 2 ms 5172 KB Output is correct
37 Correct 2 ms 5212 KB Output is correct
38 Correct 2 ms 5212 KB Output is correct
39 Correct 4 ms 5212 KB Output is correct
40 Correct 2 ms 5212 KB Output is correct
41 Correct 2 ms 5212 KB Output is correct
42 Correct 2 ms 5212 KB Output is correct
43 Correct 2 ms 5212 KB Output is correct
44 Correct 2 ms 5212 KB Output is correct
45 Correct 2 ms 5172 KB Output is correct
46 Correct 2 ms 5212 KB Output is correct
47 Correct 33 ms 14932 KB Output is correct
48 Correct 33 ms 13348 KB Output is correct
49 Correct 33 ms 12392 KB Output is correct
50 Correct 34 ms 12116 KB Output is correct
51 Correct 35 ms 11096 KB Output is correct
52 Correct 34 ms 11092 KB Output is correct
53 Correct 32 ms 10980 KB Output is correct
54 Correct 32 ms 10836 KB Output is correct
55 Correct 30 ms 10588 KB Output is correct
56 Correct 30 ms 10840 KB Output is correct
57 Correct 24 ms 11724 KB Output is correct