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Submission #465438

# Submission time Handle Problem Language Result Execution time Memory
465438 2021-08-16T06:13:28 Z osmanallazov Paprike (COI18_paprike) C++14
100 / 100
 175 ms 17492 KB 
#include <bits/stdc++.h>
using namespace std;
long long n,k;
long long ans=0;
long long val[100005];
long long a[100005];
long long b[100005];
vector<long long>qraf[100005];
int dfs(long long x, long long par){
    vector<long long>v;
    for(long long i=0;i<(long long)(qraf[x]).size();i++){
        long long child=qraf[x][i];
        if(child==par)
            continue;
        v.push_back(dfs(child,x));
    }
    sort(v.begin(),v.end());
    long long sum=0;
    sum=sum+val[x-1];
    for(long long i=0;i<v.size();i++)
        sum+=v[i];
    for(long long i=v.size()-1;i>=0;i--){
        if(sum>k){
        sum-=v[i];
        ans++;
        }
        else{break;}
    }
    return sum;
}
int main(){
    cin>>n>>k;
    for(int i=0; i<n; i++){
        cin>>val[i];
    }
    for(int i=0; i<n-1; i++){
        cin>>a[i]>>b[i];
        qraf[a[i]].push_back(b[i]);
        qraf[b[i]].push_back(a[i]);
    }
    dfs(1,0);
    cout<<ans;
}

Compilation message

paprike.cpp: In function 'int dfs(long long int, long long int)':
paprike.cpp:20:24: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   20 |     for(long long i=0;i<v.size();i++)
      |                       ~^~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 3 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2656 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2636 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 134 ms 17396 KB Output is correct
2 Correct 121 ms 17444 KB Output is correct
3 Correct 122 ms 17372 KB Output is correct
4 Correct 121 ms 17416 KB Output is correct
5 Correct 123 ms 17424 KB Output is correct
6 Correct 123 ms 17376 KB Output is correct
7 Correct 117 ms 17476 KB Output is correct
8 Correct 103 ms 17492 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 3 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2656 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2636 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 3 ms 2764 KB Output is correct
23 Correct 3 ms 2636 KB Output is correct
24 Correct 3 ms 2764 KB Output is correct
25 Correct 3 ms 2636 KB Output is correct
26 Correct 3 ms 2636 KB Output is correct
27 Correct 3 ms 2636 KB Output is correct
28 Correct 3 ms 2636 KB Output is correct
29 Correct 3 ms 2636 KB Output is correct
30 Correct 3 ms 2636 KB Output is correct
31 Correct 3 ms 2636 KB Output is correct
32 Correct 3 ms 2664 KB Output is correct
33 Correct 3 ms 2636 KB Output is correct
34 Correct 3 ms 2636 KB Output is correct
35 Correct 3 ms 2636 KB Output is correct
36 Correct 3 ms 2636 KB Output is correct
37 Correct 3 ms 2664 KB Output is correct
38 Correct 3 ms 2672 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 2636 KB Output is correct
2 Correct 3 ms 2636 KB Output is correct
3 Correct 2 ms 2636 KB Output is correct
4 Correct 2 ms 2636 KB Output is correct
5 Correct 2 ms 2636 KB Output is correct
6 Correct 2 ms 2636 KB Output is correct
7 Correct 2 ms 2636 KB Output is correct
8 Correct 2 ms 2636 KB Output is correct
9 Correct 2 ms 2656 KB Output is correct
10 Correct 2 ms 2636 KB Output is correct
11 Correct 2 ms 2636 KB Output is correct
12 Correct 2 ms 2636 KB Output is correct
13 Correct 2 ms 2636 KB Output is correct
14 Correct 2 ms 2636 KB Output is correct
15 Correct 2 ms 2636 KB Output is correct
16 Correct 2 ms 2636 KB Output is correct
17 Correct 2 ms 2652 KB Output is correct
18 Correct 2 ms 2636 KB Output is correct
19 Correct 2 ms 2636 KB Output is correct
20 Correct 2 ms 2636 KB Output is correct
21 Correct 2 ms 2636 KB Output is correct
22 Correct 134 ms 17396 KB Output is correct
23 Correct 121 ms 17444 KB Output is correct
24 Correct 122 ms 17372 KB Output is correct
25 Correct 121 ms 17416 KB Output is correct
26 Correct 123 ms 17424 KB Output is correct
27 Correct 123 ms 17376 KB Output is correct
28 Correct 117 ms 17476 KB Output is correct
29 Correct 103 ms 17492 KB Output is correct
30 Correct 3 ms 2764 KB Output is correct
31 Correct 3 ms 2636 KB Output is correct
32 Correct 3 ms 2764 KB Output is correct
33 Correct 3 ms 2636 KB Output is correct
34 Correct 3 ms 2636 KB Output is correct
35 Correct 3 ms 2636 KB Output is correct
36 Correct 3 ms 2636 KB Output is correct
37 Correct 3 ms 2636 KB Output is correct
38 Correct 3 ms 2636 KB Output is correct
39 Correct 3 ms 2636 KB Output is correct
40 Correct 3 ms 2664 KB Output is correct
41 Correct 3 ms 2636 KB Output is correct
42 Correct 3 ms 2636 KB Output is correct
43 Correct 3 ms 2636 KB Output is correct
44 Correct 3 ms 2636 KB Output is correct
45 Correct 3 ms 2664 KB Output is correct
46 Correct 3 ms 2672 KB Output is correct
47 Correct 149 ms 13940 KB Output is correct
48 Correct 126 ms 12372 KB Output is correct
49 Correct 126 ms 11808 KB Output is correct
50 Correct 123 ms 11456 KB Output is correct
51 Correct 146 ms 10680 KB Output is correct
52 Correct 141 ms 10768 KB Output is correct
53 Correct 134 ms 10608 KB Output is correct
54 Correct 175 ms 10564 KB Output is correct
55 Correct 115 ms 10076 KB Output is correct
56 Correct 115 ms 10128 KB Output is correct
57 Correct 116 ms 12084 KB Output is correct