oj.uz

답안 #699323

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
699323 2023-02-16T15:00:09 Z bin9638 Paprike (COI18_paprike) C++17
100 / 100
 63 ms 22668 KB 
#include <bits/stdc++.h>

using namespace std;

#define ll long long
#define N 100010
#define fs first
#define sc second
#define ii pair<int,int>
#define iii pair<ii,int>
#define ld long double
#define pb push_back
#define int ll

int dp[N],n,k,a[N],ans=0;
vector<int>g[N],s[N];

void DFS(int u,int p)
{
    int sum=a[u];
    for(auto v:g[u])
        if(v!=p)
        {
            DFS(v,u);
            s[u].pb(dp[v]);
            sum+=dp[v];
        }
    sort(s[u].begin(),s[u].end());
    while(sum>k)
    {
        sum-=s[u].back();
        s[u].pop_back();
        ans++;
    }
    dp[u]=sum;
}

int32_t main()
{
  //  freopen("A.inp","r",stdin);
  //  freopen("A.out","w",stdout);
    cin.tie(NULL);
    cout.tie(NULL);
    ios::sync_with_stdio(0);
    cin>>n>>k;
    for(int i=1;i<=n;i++)
        cin>>a[i];
    for(int i=1;i<n;i++)
    {
        int u,v;
        cin>>u>>v;
        g[u].pb(v);
        g[v].pb(u);
    }
    DFS(1,0);
    cout<<ans;
    return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5016 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4952 KB Output is correct
11 Correct 3 ms 5028 KB Output is correct
12 Correct 3 ms 5024 KB Output is correct
13 Correct 3 ms 5076 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 4 ms 5024 KB Output is correct
16 Correct 3 ms 5032 KB Output is correct
17 Correct 3 ms 4956 KB Output is correct
18 Correct 3 ms 4952 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 5024 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 45 ms 22616 KB Output is correct
2 Correct 46 ms 22632 KB Output is correct
3 Correct 43 ms 22544 KB Output is correct
4 Correct 47 ms 22668 KB Output is correct
5 Correct 43 ms 22572 KB Output is correct
6 Correct 45 ms 22492 KB Output is correct
7 Correct 47 ms 22576 KB Output is correct
8 Correct 40 ms 22028 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5016 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4952 KB Output is correct
11 Correct 3 ms 5028 KB Output is correct
12 Correct 3 ms 5024 KB Output is correct
13 Correct 3 ms 5076 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 4 ms 5024 KB Output is correct
16 Correct 3 ms 5032 KB Output is correct
17 Correct 3 ms 4956 KB Output is correct
18 Correct 3 ms 4952 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 5024 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 4 ms 5148 KB Output is correct
23 Correct 3 ms 5060 KB Output is correct
24 Correct 4 ms 5060 KB Output is correct
25 Correct 3 ms 5040 KB Output is correct
26 Correct 3 ms 5076 KB Output is correct
27 Correct 4 ms 5052 KB Output is correct
28 Correct 3 ms 5076 KB Output is correct
29 Correct 3 ms 5076 KB Output is correct
30 Correct 3 ms 5036 KB Output is correct
31 Correct 3 ms 5036 KB Output is correct
32 Correct 3 ms 5204 KB Output is correct
33 Correct 3 ms 5076 KB Output is correct
34 Correct 3 ms 5056 KB Output is correct
35 Correct 3 ms 5076 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5076 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 3 ms 4948 KB Output is correct
2 Correct 3 ms 4948 KB Output is correct
3 Correct 3 ms 4948 KB Output is correct
4 Correct 3 ms 4948 KB Output is correct
5 Correct 3 ms 5016 KB Output is correct
6 Correct 2 ms 4948 KB Output is correct
7 Correct 3 ms 4952 KB Output is correct
8 Correct 3 ms 4948 KB Output is correct
9 Correct 3 ms 4948 KB Output is correct
10 Correct 3 ms 4952 KB Output is correct
11 Correct 3 ms 5028 KB Output is correct
12 Correct 3 ms 5024 KB Output is correct
13 Correct 3 ms 5076 KB Output is correct
14 Correct 3 ms 4948 KB Output is correct
15 Correct 4 ms 5024 KB Output is correct
16 Correct 3 ms 5032 KB Output is correct
17 Correct 3 ms 4956 KB Output is correct
18 Correct 3 ms 4952 KB Output is correct
19 Correct 3 ms 4948 KB Output is correct
20 Correct 3 ms 5024 KB Output is correct
21 Correct 3 ms 4948 KB Output is correct
22 Correct 45 ms 22616 KB Output is correct
23 Correct 46 ms 22632 KB Output is correct
24 Correct 43 ms 22544 KB Output is correct
25 Correct 47 ms 22668 KB Output is correct
26 Correct 43 ms 22572 KB Output is correct
27 Correct 45 ms 22492 KB Output is correct
28 Correct 47 ms 22576 KB Output is correct
29 Correct 40 ms 22028 KB Output is correct
30 Correct 4 ms 5148 KB Output is correct
31 Correct 3 ms 5060 KB Output is correct
32 Correct 4 ms 5060 KB Output is correct
33 Correct 3 ms 5040 KB Output is correct
34 Correct 3 ms 5076 KB Output is correct
35 Correct 4 ms 5052 KB Output is correct
36 Correct 3 ms 5076 KB Output is correct
37 Correct 3 ms 5076 KB Output is correct
38 Correct 3 ms 5036 KB Output is correct
39 Correct 3 ms 5036 KB Output is correct
40 Correct 3 ms 5204 KB Output is correct
41 Correct 3 ms 5076 KB Output is correct
42 Correct 3 ms 5056 KB Output is correct
43 Correct 3 ms 5076 KB Output is correct
44 Correct 3 ms 5076 KB Output is correct
45 Correct 3 ms 5076 KB Output is correct
46 Correct 3 ms 5076 KB Output is correct
47 Correct 44 ms 16876 KB Output is correct
48 Correct 45 ms 15712 KB Output is correct
49 Correct 48 ms 15312 KB Output is correct
50 Correct 46 ms 15012 KB Output is correct
51 Correct 63 ms 14048 KB Output is correct
52 Correct 58 ms 14100 KB Output is correct
53 Correct 61 ms 14000 KB Output is correct
54 Correct 61 ms 14084 KB Output is correct
55 Correct 59 ms 13612 KB Output is correct
56 Correct 55 ms 13556 KB Output is correct
57 Correct 34 ms 13492 KB Output is correct