Submission #44351

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
44351	2018-03-31T15:41:54 Z	aleksami	Paprike (COI18_paprike)	C++14	100 / 100	116 ms	44992 KB

paprike

#include <bits/stdc++.h>

using namespace std;
#define MAXN 100005
long long a[MAXN];
long long sz[MAXN];
vector <int> g[MAXN];
int n,k;
int ans=0;

void dfs(int v,int p)
{
	sz[v]=a[v];
	vector <long long> vals;
	for(auto x:g[v])
	{
		if(x!=p)
		{
			dfs(x,v);
			sz[v]+=sz[x];
			vals.push_back(sz[x]);
		}
	}
	sort(vals.begin(),vals.end());
	auto it = vals.end();
	it--;
	while(sz[v]>k)
	{
		sz[v]-=*it;
		ans++;
		it--;
	}
}

int main()
{
    ios_base::sync_with_stdio(false);
	cin >> n >> k;
	for(int i = 1; i <= n; i++)cin >> a[i];
	for(int i = 0; i < n-1; i++)
	{
		int u,v;
		cin >> u >> v;
		g[u].push_back(v);
		g[v].push_back(u);
	}
	dfs(1,0);
	cout << 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	4 ms	2792 KB	Output is correct
3	Correct	3 ms	2908 KB	Output is correct
4	Correct	3 ms	2908 KB	Output is correct
5	Correct	4 ms	2908 KB	Output is correct
6	Correct	4 ms	2948 KB	Output is correct
7	Correct	4 ms	3080 KB	Output is correct
8	Correct	3 ms	3080 KB	Output is correct
9	Correct	4 ms	3080 KB	Output is correct
10	Correct	3 ms	3080 KB	Output is correct
11	Correct	3 ms	3080 KB	Output is correct
12	Correct	3 ms	3100 KB	Output is correct
13	Correct	3 ms	3100 KB	Output is correct
14	Correct	3 ms	3104 KB	Output is correct
15	Correct	4 ms	3104 KB	Output is correct
16	Correct	3 ms	3104 KB	Output is correct
17	Correct	4 ms	3104 KB	Output is correct
18	Correct	4 ms	3108 KB	Output is correct
19	Correct	3 ms	3108 KB	Output is correct
20	Correct	3 ms	3116 KB	Output is correct
21	Correct	3 ms	3120 KB	Output is correct

Subtask #2
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	67 ms	19252 KB	Output is correct
2	Correct	67 ms	21152 KB	Output is correct
3	Correct	68 ms	23404 KB	Output is correct
4	Correct	69 ms	25196 KB	Output is correct
5	Correct	65 ms	27140 KB	Output is correct
6	Correct	72 ms	29128 KB	Output is correct
7	Correct	70 ms	31008 KB	Output is correct
8	Correct	64 ms	32416 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	4 ms	2792 KB	Output is correct
3	Correct	3 ms	2908 KB	Output is correct
4	Correct	3 ms	2908 KB	Output is correct
5	Correct	4 ms	2908 KB	Output is correct
6	Correct	4 ms	2948 KB	Output is correct
7	Correct	4 ms	3080 KB	Output is correct
8	Correct	3 ms	3080 KB	Output is correct
9	Correct	4 ms	3080 KB	Output is correct
10	Correct	3 ms	3080 KB	Output is correct
11	Correct	3 ms	3080 KB	Output is correct
12	Correct	3 ms	3100 KB	Output is correct
13	Correct	3 ms	3100 KB	Output is correct
14	Correct	3 ms	3104 KB	Output is correct
15	Correct	4 ms	3104 KB	Output is correct
16	Correct	3 ms	3104 KB	Output is correct
17	Correct	4 ms	3104 KB	Output is correct
18	Correct	4 ms	3108 KB	Output is correct
19	Correct	3 ms	3108 KB	Output is correct
20	Correct	3 ms	3116 KB	Output is correct
21	Correct	3 ms	3120 KB	Output is correct
22	Correct	4 ms	32416 KB	Output is correct
23	Correct	4 ms	32416 KB	Output is correct
24	Correct	4 ms	32416 KB	Output is correct
25	Correct	4 ms	32416 KB	Output is correct
26	Correct	4 ms	32416 KB	Output is correct
27	Correct	5 ms	32416 KB	Output is correct
28	Correct	4 ms	32416 KB	Output is correct
29	Correct	4 ms	32416 KB	Output is correct
30	Correct	5 ms	32416 KB	Output is correct
31	Correct	4 ms	32416 KB	Output is correct
32	Correct	5 ms	32416 KB	Output is correct
33	Correct	4 ms	32416 KB	Output is correct
34	Correct	4 ms	32416 KB	Output is correct
35	Correct	4 ms	32416 KB	Output is correct
36	Correct	4 ms	32416 KB	Output is correct
37	Correct	4 ms	32416 KB	Output is correct
38	Correct	5 ms	32416 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	4 ms	2792 KB	Output is correct
3	Correct	3 ms	2908 KB	Output is correct
4	Correct	3 ms	2908 KB	Output is correct
5	Correct	4 ms	2908 KB	Output is correct
6	Correct	4 ms	2948 KB	Output is correct
7	Correct	4 ms	3080 KB	Output is correct
8	Correct	3 ms	3080 KB	Output is correct
9	Correct	4 ms	3080 KB	Output is correct
10	Correct	3 ms	3080 KB	Output is correct
11	Correct	3 ms	3080 KB	Output is correct
12	Correct	3 ms	3100 KB	Output is correct
13	Correct	3 ms	3100 KB	Output is correct
14	Correct	3 ms	3104 KB	Output is correct
15	Correct	4 ms	3104 KB	Output is correct
16	Correct	3 ms	3104 KB	Output is correct
17	Correct	4 ms	3104 KB	Output is correct
18	Correct	4 ms	3108 KB	Output is correct
19	Correct	3 ms	3108 KB	Output is correct
20	Correct	3 ms	3116 KB	Output is correct
21	Correct	3 ms	3120 KB	Output is correct
22	Correct	67 ms	19252 KB	Output is correct
23	Correct	67 ms	21152 KB	Output is correct
24	Correct	68 ms	23404 KB	Output is correct
25	Correct	69 ms	25196 KB	Output is correct
26	Correct	65 ms	27140 KB	Output is correct
27	Correct	72 ms	29128 KB	Output is correct
28	Correct	70 ms	31008 KB	Output is correct
29	Correct	64 ms	32416 KB	Output is correct
30	Correct	4 ms	32416 KB	Output is correct
31	Correct	4 ms	32416 KB	Output is correct
32	Correct	4 ms	32416 KB	Output is correct
33	Correct	4 ms	32416 KB	Output is correct
34	Correct	4 ms	32416 KB	Output is correct
35	Correct	5 ms	32416 KB	Output is correct
36	Correct	4 ms	32416 KB	Output is correct
37	Correct	4 ms	32416 KB	Output is correct
38	Correct	5 ms	32416 KB	Output is correct
39	Correct	4 ms	32416 KB	Output is correct
40	Correct	5 ms	32416 KB	Output is correct
41	Correct	4 ms	32416 KB	Output is correct
42	Correct	4 ms	32416 KB	Output is correct
43	Correct	4 ms	32416 KB	Output is correct
44	Correct	4 ms	32416 KB	Output is correct
45	Correct	4 ms	32416 KB	Output is correct
46	Correct	5 ms	32416 KB	Output is correct
47	Correct	71 ms	32416 KB	Output is correct
48	Correct	70 ms	32416 KB	Output is correct
49	Correct	67 ms	32416 KB	Output is correct
50	Correct	69 ms	32480 KB	Output is correct
51	Correct	101 ms	33596 KB	Output is correct
52	Correct	105 ms	35692 KB	Output is correct
53	Correct	105 ms	37496 KB	Output is correct
54	Correct	116 ms	39304 KB	Output is correct
55	Correct	113 ms	40812 KB	Output is correct
56	Correct	108 ms	42244 KB	Output is correct
57	Correct	86 ms	44992 KB	Output is correct

Submission #44351

Compilation message

Subtask #1 11.0 / 11.0

Subtask #2 13.0 / 13.0

Subtask #3 27.0 / 27.0

Subtask #4 49.0 / 49.0

Subtask #1
11.0 / 11.0

Subtask #2
13.0 / 13.0

Subtask #3
27.0 / 27.0

Subtask #4
49.0 / 49.0