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답안 #640573

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
640573 2022-09-15T01:16:39 Z hotboy2703 Paprike (COI18_paprike) C++14
100 / 100
 70 ms 19208 KB 
#include<bits/stdc++.h>
using namespace std;
long long n,k;
long long h[100100];
vector <long long> g[100100];
pair <long long,long long> dp[100100];
void dfs(long long u,long long pre){
    for (auto v:g[u]){
        if (v == pre)continue;
        dfs(v,u);
    }
    dp[u] = {0,h[u]};
    vector <long long> all;
    for (auto v:g[u]){
        if (v == pre)continue;
        dp[u].first += dp[v].first;
        dp[u].second += dp[v].second;
        all.push_back(dp[v].second);
    }
    sort(all.begin(),all.end(),greater <long long> ());
    long long cur = 0;
    while (dp[u].second > k){
        dp[u].second -= all[cur];
        cur++;
        dp[u].first++;
    }
}
int main(){
    ios_base::sync_with_stdio(0);cin.tie(nullptr);cout.tie(nullptr);
    cin>>n>>k;
    for (long long i = 1;i <= n;i ++){
        cin>>h[i];
    }
    for (long long i = 1;i < n;i ++){
        long long x,y;
        cin>>x>>y;
        g[x].push_back(y);
        g[y].push_back(x);
    }
    dfs(1,1);
    cout<<dp[1].first<<'\n';
    return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2680 KB Output is correct
3 Correct 1 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 1 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 44 ms 18992 KB Output is correct
2 Correct 49 ms 19036 KB Output is correct
3 Correct 51 ms 19208 KB Output is correct
4 Correct 40 ms 19028 KB Output is correct
5 Correct 40 ms 19036 KB Output is correct
6 Correct 40 ms 18984 KB Output is correct
7 Correct 40 ms 19000 KB Output is correct
8 Correct 41 ms 19052 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2680 KB Output is correct
3 Correct 1 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 1 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct
22 Correct 2 ms 2772 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 2 ms 2644 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 2 ms 2764 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2680 KB Output is correct
3 Correct 1 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 1 ms 2644 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2644 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2644 KB Output is correct
13 Correct 1 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 1 ms 2644 KB Output is correct
16 Correct 1 ms 2644 KB Output is correct
17 Correct 1 ms 2644 KB Output is correct
18 Correct 1 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 1 ms 2644 KB Output is correct
21 Correct 1 ms 2644 KB Output is correct
22 Correct 44 ms 18992 KB Output is correct
23 Correct 49 ms 19036 KB Output is correct
24 Correct 51 ms 19208 KB Output is correct
25 Correct 40 ms 19028 KB Output is correct
26 Correct 40 ms 19036 KB Output is correct
27 Correct 40 ms 18984 KB Output is correct
28 Correct 40 ms 19000 KB Output is correct
29 Correct 41 ms 19052 KB Output is correct
30 Correct 2 ms 2772 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 2 ms 2644 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2644 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 2644 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 2 ms 2644 KB Output is correct
46 Correct 2 ms 2764 KB Output is correct
47 Correct 42 ms 12176 KB Output is correct
48 Correct 40 ms 10520 KB Output is correct
49 Correct 55 ms 9964 KB Output is correct
50 Correct 47 ms 9592 KB Output is correct
51 Correct 50 ms 8692 KB Output is correct
52 Correct 49 ms 8704 KB Output is correct
53 Correct 46 ms 8656 KB Output is correct
54 Correct 51 ms 8704 KB Output is correct
55 Correct 45 ms 8684 KB Output is correct
56 Correct 70 ms 8640 KB Output is correct
57 Correct 32 ms 10472 KB Output is correct