oj.uz

Submission #312516

# Submission time Handle Problem Language Result Execution time Memory
312516 2020-10-13T15:26:34 Z two_sides Paprike (COI18_paprike) C++17
100 / 100
 73 ms 17272 KB 
#include <bits/stdc++.h>
using namespace std;

const int N = 1e5 + 5;

int n, k, a[N];
vector <int> g[N];

pair <int, int> dfs(int u, int p) {
	pair <int, int> res(0, a[u]);
	vector <int> rem;
	for (int v : g[u]) {
		if (v == p) continue;
		pair <int, int> tmp = dfs(v, u);
		res.first += tmp.first;
		rem.push_back(tmp.second);
	}
	sort(rem.begin(), rem.end());
	for (int w : rem)
		if (res.second + w <= k)
			res.second += w;
		else res.first++;
	return res;
}

void input() {
	cin >> n >> k;
	for_each(a + 1, a + n + 1,
	[](int &x) {cin >> x;});
	for (int i = 1; i < n; i++) {
		int u, v; cin >> u >> v;
		g[u].push_back(v);
		g[v].push_back(u);
	}
}

void output() {
	cout << dfs(1, 0).first << '\n';
}

int main() {
	cin.tie(0)->sync_with_stdio(0);
	input(); output();
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 2 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2688 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 2 ms 2688 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2688 KB Output is correct
12 Correct 2 ms 2688 KB Output is correct
13 Correct 2 ms 2688 KB Output is correct
14 Correct 2 ms 2688 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 2 ms 2688 KB Output is correct
17 Correct 2 ms 2688 KB Output is correct
18 Correct 2 ms 2688 KB Output is correct
19 Correct 2 ms 2688 KB Output is correct
20 Correct 2 ms 2688 KB Output is correct
21 Correct 2 ms 2688 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 53 ms 17144 KB Output is correct
2 Correct 53 ms 17104 KB Output is correct
3 Correct 53 ms 17128 KB Output is correct
4 Correct 54 ms 17144 KB Output is correct
5 Correct 52 ms 17168 KB Output is correct
6 Correct 53 ms 17144 KB Output is correct
7 Correct 52 ms 17144 KB Output is correct
8 Correct 49 ms 17272 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 2 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2688 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 2 ms 2688 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2688 KB Output is correct
12 Correct 2 ms 2688 KB Output is correct
13 Correct 2 ms 2688 KB Output is correct
14 Correct 2 ms 2688 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 2 ms 2688 KB Output is correct
17 Correct 2 ms 2688 KB Output is correct
18 Correct 2 ms 2688 KB Output is correct
19 Correct 2 ms 2688 KB Output is correct
20 Correct 2 ms 2688 KB Output is correct
21 Correct 2 ms 2688 KB Output is correct
22 Correct 3 ms 2688 KB Output is correct
23 Correct 2 ms 2688 KB Output is correct
24 Correct 3 ms 2688 KB Output is correct
25 Correct 2 ms 2816 KB Output is correct
26 Correct 3 ms 2688 KB Output is correct
27 Correct 2 ms 2688 KB Output is correct
28 Correct 3 ms 2688 KB Output is correct
29 Correct 2 ms 2688 KB Output is correct
30 Correct 2 ms 2688 KB Output is correct
31 Correct 2 ms 2688 KB Output is correct
32 Correct 2 ms 2688 KB Output is correct
33 Correct 2 ms 2688 KB Output is correct
34 Correct 2 ms 2688 KB Output is correct
35 Correct 2 ms 2688 KB Output is correct
36 Correct 2 ms 2688 KB Output is correct
37 Correct 3 ms 2688 KB Output is correct
38 Correct 2 ms 2688 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2688 KB Output is correct
2 Correct 2 ms 2688 KB Output is correct
3 Correct 2 ms 2688 KB Output is correct
4 Correct 2 ms 2688 KB Output is correct
5 Correct 2 ms 2688 KB Output is correct
6 Correct 2 ms 2688 KB Output is correct
7 Correct 2 ms 2688 KB Output is correct
8 Correct 2 ms 2688 KB Output is correct
9 Correct 2 ms 2688 KB Output is correct
10 Correct 2 ms 2688 KB Output is correct
11 Correct 2 ms 2688 KB Output is correct
12 Correct 2 ms 2688 KB Output is correct
13 Correct 2 ms 2688 KB Output is correct
14 Correct 2 ms 2688 KB Output is correct
15 Correct 2 ms 2688 KB Output is correct
16 Correct 2 ms 2688 KB Output is correct
17 Correct 2 ms 2688 KB Output is correct
18 Correct 2 ms 2688 KB Output is correct
19 Correct 2 ms 2688 KB Output is correct
20 Correct 2 ms 2688 KB Output is correct
21 Correct 2 ms 2688 KB Output is correct
22 Correct 53 ms 17144 KB Output is correct
23 Correct 53 ms 17104 KB Output is correct
24 Correct 53 ms 17128 KB Output is correct
25 Correct 54 ms 17144 KB Output is correct
26 Correct 52 ms 17168 KB Output is correct
27 Correct 53 ms 17144 KB Output is correct
28 Correct 52 ms 17144 KB Output is correct
29 Correct 49 ms 17272 KB Output is correct
30 Correct 3 ms 2688 KB Output is correct
31 Correct 2 ms 2688 KB Output is correct
32 Correct 3 ms 2688 KB Output is correct
33 Correct 2 ms 2816 KB Output is correct
34 Correct 3 ms 2688 KB Output is correct
35 Correct 2 ms 2688 KB Output is correct
36 Correct 3 ms 2688 KB Output is correct
37 Correct 2 ms 2688 KB Output is correct
38 Correct 2 ms 2688 KB Output is correct
39 Correct 2 ms 2688 KB Output is correct
40 Correct 2 ms 2688 KB Output is correct
41 Correct 2 ms 2688 KB Output is correct
42 Correct 2 ms 2688 KB Output is correct
43 Correct 2 ms 2688 KB Output is correct
44 Correct 2 ms 2688 KB Output is correct
45 Correct 3 ms 2688 KB Output is correct
46 Correct 2 ms 2688 KB Output is correct
47 Correct 52 ms 10232 KB Output is correct
48 Correct 51 ms 8440 KB Output is correct
49 Correct 51 ms 7672 KB Output is correct
50 Correct 52 ms 7544 KB Output is correct
51 Correct 65 ms 6264 KB Output is correct
52 Correct 72 ms 6264 KB Output is correct
53 Correct 66 ms 6264 KB Output is correct
54 Correct 64 ms 6264 KB Output is correct
55 Correct 73 ms 6392 KB Output is correct
56 Correct 66 ms 6264 KB Output is correct
57 Correct 38 ms 7536 KB Output is correct