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Submission #708918

# Submission time Handle Problem Language Result Execution time Memory
708918 2023-03-12T17:25:22 Z JJAnawat Paprike (COI18_paprike) C++17
100 / 100
 62 ms 18704 KB 
#include<bits/stdc++.h>

#define int long long

using namespace std;

int n,k;
vector<int> g[100005];
int h[100005];
int dp[100005];

int dfs(int u,int p=1){
    if(u!=1&&g[u].size()==1){
        dp[u]=h[u];
        return 0;
    }
    int sum=0;
    vector<int> vec;
    for(auto v:g[u])
        if(v!=p){
            sum+=dfs(v,u);
            vec.push_back(dp[v]);
        }
    sort(vec.begin(),vec.end());
    int cnt=0;
    dp[u]=h[u];
    for(auto dpi:vec){
        if(dp[u]+dpi>k)
            break;
        dp[u]+=dpi;
        cnt++;
    }
    return sum+(vec.size()-cnt);
}

main(){
    ios_base::sync_with_stdio(false);
    cin.tie(NULL);

    cin >> n >> k;
    for(int i=1;i<=n;i++)
        cin >> h[i];
    for(int i=1,x,y;i<n;i++){
        cin >> x >> y;
        g[x].push_back(y);
        g[y].push_back(x);
    }
    cout << dfs(1);
}

Compilation message

paprike.cpp:36:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
   36 | main(){
      | ^~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2672 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2676 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2672 KB Output is correct
12 Correct 2 ms 2676 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2684 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 44 ms 18704 KB Output is correct
2 Correct 43 ms 18668 KB Output is correct
3 Correct 45 ms 18636 KB Output is correct
4 Correct 42 ms 18624 KB Output is correct
5 Correct 41 ms 18692 KB Output is correct
6 Correct 41 ms 18564 KB Output is correct
7 Correct 42 ms 18660 KB Output is correct
8 Correct 37 ms 18124 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2672 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2676 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2672 KB Output is correct
12 Correct 2 ms 2676 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2684 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 3 ms 2688 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2644 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2644 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 2 ms 2644 KB Output is correct
30 Correct 3 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2692 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2684 KB Output is correct
36 Correct 3 ms 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 2 ms 2644 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2672 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2676 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2672 KB Output is correct
12 Correct 2 ms 2676 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 2 ms 2644 KB Output is correct
15 Correct 2 ms 2684 KB Output is correct
16 Correct 2 ms 2644 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 44 ms 18704 KB Output is correct
23 Correct 43 ms 18668 KB Output is correct
24 Correct 45 ms 18636 KB Output is correct
25 Correct 42 ms 18624 KB Output is correct
26 Correct 41 ms 18692 KB Output is correct
27 Correct 41 ms 18564 KB Output is correct
28 Correct 42 ms 18660 KB Output is correct
29 Correct 37 ms 18124 KB Output is correct
30 Correct 3 ms 2688 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 3 ms 2644 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2692 KB Output is correct
41 Correct 2 ms 2644 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 2 ms 2684 KB Output is correct
44 Correct 3 ms 2644 KB Output is correct
45 Correct 2 ms 2644 KB Output is correct
46 Correct 2 ms 2644 KB Output is correct
47 Correct 42 ms 13148 KB Output is correct
48 Correct 42 ms 11628 KB Output is correct
49 Correct 42 ms 11124 KB Output is correct
50 Correct 42 ms 10712 KB Output is correct
51 Correct 62 ms 9836 KB Output is correct
52 Correct 56 ms 9972 KB Output is correct
53 Correct 58 ms 9856 KB Output is correct
54 Correct 48 ms 9844 KB Output is correct
55 Correct 55 ms 9380 KB Output is correct
56 Correct 43 ms 9320 KB Output is correct
57 Correct 30 ms 11068 KB Output is correct