oj.uz

Submission #46198

# Submission time Handle Problem Language Result Execution time Memory
46198 2018-04-17T20:04:48 Z Bruteforceman Paprike (COI18_paprike) C++11
100 / 100
 227 ms 42524 KB 
#include "bits/stdc++.h"
using namespace std;
vector <int> g[100010];
int h[100010];
long long sub[100010];
int k;
int ans;

void dfs(int x, int par) {
	sub[x] = h[x];
	vector <long long> v;
	for(auto i : g[x]) {
		if(i - par) {
			dfs(i, x);
			v.push_back(sub[i]);
		}
	}
	sort(v.begin(), v.end());
	for(auto i : v) {
		if(sub[x] + i > k) {
			++ans;
		} else {
			sub[x] += i;
		}
	}
}

int main(int argc, char const *argv[])
{
	int n;
	cin >> n >> k;
	for(int i = 1; i <= n; i++) cin >> h[i];
	for(int i = 1; i < n; i++) {
		int p, q;
		cin >> p >> q;
		g[p].emplace_back(q);
		g[q].emplace_back(p);
	}
	dfs(1, 0);
	printf("%d\n", ans);
	return 0;
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 3 ms 2680 KB Output is correct
3 Correct 3 ms 2732 KB Output is correct
4 Correct 4 ms 2732 KB Output is correct
5 Correct 4 ms 2732 KB Output is correct
6 Correct 3 ms 2860 KB Output is correct
7 Correct 3 ms 2860 KB Output is correct
8 Correct 4 ms 2860 KB Output is correct
9 Correct 3 ms 2860 KB Output is correct
10 Correct 4 ms 2860 KB Output is correct
11 Correct 3 ms 2860 KB Output is correct
12 Correct 3 ms 2860 KB Output is correct
13 Correct 4 ms 2860 KB Output is correct
14 Correct 3 ms 2876 KB Output is correct
15 Correct 3 ms 2956 KB Output is correct
16 Correct 3 ms 2956 KB Output is correct
17 Correct 3 ms 2956 KB Output is correct
18 Correct 3 ms 2956 KB Output is correct
19 Correct 3 ms 2956 KB Output is correct
20 Correct 4 ms 2956 KB Output is correct
21 Correct 3 ms 2956 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 147 ms 16584 KB Output is correct
2 Correct 151 ms 18724 KB Output is correct
3 Correct 227 ms 20752 KB Output is correct
4 Correct 150 ms 22720 KB Output is correct
5 Correct 149 ms 24588 KB Output is correct
6 Correct 146 ms 26628 KB Output is correct
7 Correct 143 ms 28392 KB Output is correct
8 Correct 125 ms 29880 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 3 ms 2680 KB Output is correct
3 Correct 3 ms 2732 KB Output is correct
4 Correct 4 ms 2732 KB Output is correct
5 Correct 4 ms 2732 KB Output is correct
6 Correct 3 ms 2860 KB Output is correct
7 Correct 3 ms 2860 KB Output is correct
8 Correct 4 ms 2860 KB Output is correct
9 Correct 3 ms 2860 KB Output is correct
10 Correct 4 ms 2860 KB Output is correct
11 Correct 3 ms 2860 KB Output is correct
12 Correct 3 ms 2860 KB Output is correct
13 Correct 4 ms 2860 KB Output is correct
14 Correct 3 ms 2876 KB Output is correct
15 Correct 3 ms 2956 KB Output is correct
16 Correct 3 ms 2956 KB Output is correct
17 Correct 3 ms 2956 KB Output is correct
18 Correct 3 ms 2956 KB Output is correct
19 Correct 3 ms 2956 KB Output is correct
20 Correct 4 ms 2956 KB Output is correct
21 Correct 3 ms 2956 KB Output is correct
22 Correct 5 ms 29880 KB Output is correct
23 Correct 5 ms 29880 KB Output is correct
24 Correct 5 ms 29880 KB Output is correct
25 Correct 5 ms 29880 KB Output is correct
26 Correct 5 ms 29880 KB Output is correct
27 Correct 5 ms 29880 KB Output is correct
28 Correct 4 ms 29880 KB Output is correct
29 Correct 5 ms 29880 KB Output is correct
30 Correct 5 ms 29880 KB Output is correct
31 Correct 5 ms 29880 KB Output is correct
32 Correct 4 ms 29880 KB Output is correct
33 Correct 5 ms 29880 KB Output is correct
34 Correct 4 ms 29880 KB Output is correct
35 Correct 4 ms 29880 KB Output is correct
36 Correct 6 ms 29880 KB Output is correct
37 Correct 4 ms 29880 KB Output is correct
38 Correct 5 ms 29880 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 3 ms 2680 KB Output is correct
3 Correct 3 ms 2732 KB Output is correct
4 Correct 4 ms 2732 KB Output is correct
5 Correct 4 ms 2732 KB Output is correct
6 Correct 3 ms 2860 KB Output is correct
7 Correct 3 ms 2860 KB Output is correct
8 Correct 4 ms 2860 KB Output is correct
9 Correct 3 ms 2860 KB Output is correct
10 Correct 4 ms 2860 KB Output is correct
11 Correct 3 ms 2860 KB Output is correct
12 Correct 3 ms 2860 KB Output is correct
13 Correct 4 ms 2860 KB Output is correct
14 Correct 3 ms 2876 KB Output is correct
15 Correct 3 ms 2956 KB Output is correct
16 Correct 3 ms 2956 KB Output is correct
17 Correct 3 ms 2956 KB Output is correct
18 Correct 3 ms 2956 KB Output is correct
19 Correct 3 ms 2956 KB Output is correct
20 Correct 4 ms 2956 KB Output is correct
21 Correct 3 ms 2956 KB Output is correct
22 Correct 147 ms 16584 KB Output is correct
23 Correct 151 ms 18724 KB Output is correct
24 Correct 227 ms 20752 KB Output is correct
25 Correct 150 ms 22720 KB Output is correct
26 Correct 149 ms 24588 KB Output is correct
27 Correct 146 ms 26628 KB Output is correct
28 Correct 143 ms 28392 KB Output is correct
29 Correct 125 ms 29880 KB Output is correct
30 Correct 5 ms 29880 KB Output is correct
31 Correct 5 ms 29880 KB Output is correct
32 Correct 5 ms 29880 KB Output is correct
33 Correct 5 ms 29880 KB Output is correct
34 Correct 5 ms 29880 KB Output is correct
35 Correct 5 ms 29880 KB Output is correct
36 Correct 4 ms 29880 KB Output is correct
37 Correct 5 ms 29880 KB Output is correct
38 Correct 5 ms 29880 KB Output is correct
39 Correct 5 ms 29880 KB Output is correct
40 Correct 4 ms 29880 KB Output is correct
41 Correct 5 ms 29880 KB Output is correct
42 Correct 4 ms 29880 KB Output is correct
43 Correct 4 ms 29880 KB Output is correct
44 Correct 6 ms 29880 KB Output is correct
45 Correct 4 ms 29880 KB Output is correct
46 Correct 5 ms 29880 KB Output is correct
47 Correct 151 ms 29880 KB Output is correct
48 Correct 147 ms 29880 KB Output is correct
49 Correct 148 ms 29880 KB Output is correct
50 Correct 146 ms 29900 KB Output is correct
51 Correct 165 ms 31000 KB Output is correct
52 Correct 177 ms 33100 KB Output is correct
53 Correct 179 ms 34984 KB Output is correct
54 Correct 167 ms 36784 KB Output is correct
55 Correct 203 ms 38292 KB Output is correct
56 Correct 151 ms 39792 KB Output is correct
57 Correct 129 ms 42524 KB Output is correct