Submission #168554

#	Submission time	Handle	Problem	Language	Result	Execution time	Memory
168554	2019-12-13T16:35:50 Z	theStaticMind	Paprike (COI18_paprike)	C++14	100 / 100	76 ms	19604 KB

paprike

#include<bits/stdc++.h>
#define mp make_pair
#define pb push_back
#define ii pair<int,int>
#define all(x) (x).begin(),(x).end()
#define INF 100000000000000000
#define modulo 1000000007
#define mod 998244353
#define int long long int
using namespace std;
vector<int>adj[100005];
vector<int>val(100005,0);
int n,k;
int ans=0;
int dfs(int x,int pre){
      int sum=val[x];
      priority_queue<int,vector<int>,greater<int>>Q;
      for(int i=0;i<adj[x].size();i++){
            int y=adj[x][i];
            if(y==pre)continue;
            Q.push(dfs(y,x));
      }
      ans+=Q.size();
      while(!Q.empty()&&sum+Q.top()<=k){
            sum+=Q.top();
            Q.pop();
            ans--;
      }
      return sum;
}
int32_t main(){
      ios_base::sync_with_stdio(false);
      cin.tie(NULL);
   //   freopen("q.gir","r",stdin);
   //   freopen("q.cik","w",stdout);
      cin>>n>>k;
      for(int i=1;i<=n;i++)cin>>val[i];
      for(int i=0;i<n-1;i++){
            int x,y;
            cin>>x>>y;
            adj[x].pb(y);
            adj[y].pb(x);
      }
      dfs(1,0);
      cout<<ans;
}

Compilation message

paprike.cpp: In function 'long long int dfs(long long int, long long int)':
paprike.cpp:18:20: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
       for(int i=0;i<adj[x].size();i++){
                   ~^~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	3448 KB	Output is correct
2	Correct	4 ms	3448 KB	Output is correct
3	Correct	4 ms	3448 KB	Output is correct
4	Correct	4 ms	3448 KB	Output is correct
5	Correct	5 ms	3452 KB	Output is correct
6	Correct	5 ms	3448 KB	Output is correct
7	Correct	5 ms	3448 KB	Output is correct
8	Correct	5 ms	3448 KB	Output is correct
9	Correct	5 ms	3448 KB	Output is correct
10	Correct	5 ms	3452 KB	Output is correct
11	Correct	5 ms	3448 KB	Output is correct
12	Correct	4 ms	3448 KB	Output is correct
13	Correct	4 ms	3448 KB	Output is correct
14	Correct	4 ms	3448 KB	Output is correct
15	Correct	4 ms	3448 KB	Output is correct
16	Correct	4 ms	3448 KB	Output is correct
17	Correct	5 ms	3448 KB	Output is correct
18	Correct	5 ms	3448 KB	Output is correct
19	Correct	4 ms	3448 KB	Output is correct
20	Correct	5 ms	3448 KB	Output is correct
21	Correct	5 ms	3448 KB	Output is correct

Subtask #2
13.0 / 13.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	66 ms	19524 KB	Output is correct
2	Correct	66 ms	19556 KB	Output is correct
3	Correct	66 ms	19604 KB	Output is correct
4	Correct	67 ms	19544 KB	Output is correct
5	Correct	65 ms	19448 KB	Output is correct
6	Correct	66 ms	19572 KB	Output is correct
7	Correct	65 ms	19448 KB	Output is correct
8	Correct	61 ms	18936 KB	Output is correct

Subtask #3
27.0 / 27.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	3448 KB	Output is correct
2	Correct	4 ms	3448 KB	Output is correct
3	Correct	4 ms	3448 KB	Output is correct
4	Correct	4 ms	3448 KB	Output is correct
5	Correct	5 ms	3452 KB	Output is correct
6	Correct	5 ms	3448 KB	Output is correct
7	Correct	5 ms	3448 KB	Output is correct
8	Correct	5 ms	3448 KB	Output is correct
9	Correct	5 ms	3448 KB	Output is correct
10	Correct	5 ms	3452 KB	Output is correct
11	Correct	5 ms	3448 KB	Output is correct
12	Correct	4 ms	3448 KB	Output is correct
13	Correct	4 ms	3448 KB	Output is correct
14	Correct	4 ms	3448 KB	Output is correct
15	Correct	4 ms	3448 KB	Output is correct
16	Correct	4 ms	3448 KB	Output is correct
17	Correct	5 ms	3448 KB	Output is correct
18	Correct	5 ms	3448 KB	Output is correct
19	Correct	4 ms	3448 KB	Output is correct
20	Correct	5 ms	3448 KB	Output is correct
21	Correct	5 ms	3448 KB	Output is correct
22	Correct	5 ms	3576 KB	Output is correct
23	Correct	5 ms	3576 KB	Output is correct
24	Correct	5 ms	3576 KB	Output is correct
25	Correct	5 ms	3576 KB	Output is correct
26	Correct	5 ms	3536 KB	Output is correct
27	Correct	5 ms	3448 KB	Output is correct
28	Correct	5 ms	3576 KB	Output is correct
29	Correct	5 ms	3576 KB	Output is correct
30	Correct	5 ms	3576 KB	Output is correct
31	Correct	5 ms	3576 KB	Output is correct
32	Correct	5 ms	3576 KB	Output is correct
33	Correct	5 ms	3448 KB	Output is correct
34	Correct	5 ms	3464 KB	Output is correct
35	Correct	5 ms	3576 KB	Output is correct
36	Correct	5 ms	3448 KB	Output is correct
37	Correct	5 ms	3496 KB	Output is correct
38	Correct	5 ms	3576 KB	Output is correct

Subtask #4
49.0 / 49.0

#	Verdict	Execution time	Memory	Grader output
1	Correct	5 ms	3448 KB	Output is correct
2	Correct	4 ms	3448 KB	Output is correct
3	Correct	4 ms	3448 KB	Output is correct
4	Correct	4 ms	3448 KB	Output is correct
5	Correct	5 ms	3452 KB	Output is correct
6	Correct	5 ms	3448 KB	Output is correct
7	Correct	5 ms	3448 KB	Output is correct
8	Correct	5 ms	3448 KB	Output is correct
9	Correct	5 ms	3448 KB	Output is correct
10	Correct	5 ms	3452 KB	Output is correct
11	Correct	5 ms	3448 KB	Output is correct
12	Correct	4 ms	3448 KB	Output is correct
13	Correct	4 ms	3448 KB	Output is correct
14	Correct	4 ms	3448 KB	Output is correct
15	Correct	4 ms	3448 KB	Output is correct
16	Correct	4 ms	3448 KB	Output is correct
17	Correct	5 ms	3448 KB	Output is correct
18	Correct	5 ms	3448 KB	Output is correct
19	Correct	4 ms	3448 KB	Output is correct
20	Correct	5 ms	3448 KB	Output is correct
21	Correct	5 ms	3448 KB	Output is correct
22	Correct	66 ms	19524 KB	Output is correct
23	Correct	66 ms	19556 KB	Output is correct
24	Correct	66 ms	19604 KB	Output is correct
25	Correct	67 ms	19544 KB	Output is correct
26	Correct	65 ms	19448 KB	Output is correct
27	Correct	66 ms	19572 KB	Output is correct
28	Correct	65 ms	19448 KB	Output is correct
29	Correct	61 ms	18936 KB	Output is correct
30	Correct	5 ms	3576 KB	Output is correct
31	Correct	5 ms	3576 KB	Output is correct
32	Correct	5 ms	3576 KB	Output is correct
33	Correct	5 ms	3576 KB	Output is correct
34	Correct	5 ms	3536 KB	Output is correct
35	Correct	5 ms	3448 KB	Output is correct
36	Correct	5 ms	3576 KB	Output is correct
37	Correct	5 ms	3576 KB	Output is correct
38	Correct	5 ms	3576 KB	Output is correct
39	Correct	5 ms	3576 KB	Output is correct
40	Correct	5 ms	3576 KB	Output is correct
41	Correct	5 ms	3448 KB	Output is correct
42	Correct	5 ms	3464 KB	Output is correct
43	Correct	5 ms	3576 KB	Output is correct
44	Correct	5 ms	3448 KB	Output is correct
45	Correct	5 ms	3496 KB	Output is correct
46	Correct	5 ms	3576 KB	Output is correct
47	Correct	64 ms	13048 KB	Output is correct
48	Correct	64 ms	11216 KB	Output is correct
49	Correct	63 ms	10616 KB	Output is correct
50	Correct	63 ms	10232 KB	Output is correct
51	Correct	75 ms	9164 KB	Output is correct
52	Correct	76 ms	9208 KB	Output is correct
53	Correct	73 ms	9080 KB	Output is correct
54	Correct	72 ms	9080 KB	Output is correct
55	Correct	63 ms	8696 KB	Output is correct
56	Correct	67 ms	8696 KB	Output is correct
57	Correct	45 ms	10604 KB	Output is correct

Submission #168554

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