oj.uz

Submission #70750

# Submission time Handle Problem Language Result Execution time Memory
70750 2018-08-23T09:46:22 Z BartolM Paprike (COI18_paprike) C++11
24 / 100
 224 ms 31592 KB 
#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<set>

using namespace std;

int n,k;

//vector<pair<int,int> >edge;
vector<int> niz[100100];
vector<int>ljutina;

//vector<int>ljut;

void input(){
    cin>>n>>k;
    int br,a,b,sum=0;
    for(int i=0;i<n;i++){
        cin>>br;
        ljutina.push_back(br);
    }

    for(int i=0;i<n-1;i++){
        cin>>a>>b;
        a--;
        b--;
        //edge.push_back(make_pair(a,b));
        niz[a].push_back(b);
        niz[b].push_back(a);
    }
}

int sol=0;

int dfs(int x, int par){
    vector<int>ljut;
    for(int i=0;i<niz[x].size();i++){
        int node=niz[x][i];
        if(node==par)continue;
        ljut.push_back(dfs(node, x));
    }
    sort(ljut.begin(),ljut.end());
    int zbr=ljutina[x];
    for(int i=0;i<ljut.size();i++)zbr+=ljut[i];
    for(int i=ljut.size()-1;i>=0;i--){
        if(zbr<=k)break;
        else{
            zbr-=ljut[i];
            sol++;
        }
    }

    return zbr;
}

int main(){
    input();
    dfs(0, -1);
    cout<<sol;



    return 0;
}

Compilation message

paprike.cpp: In function 'void input()':
paprike.cpp:19:16: warning: unused variable 'sum' [-Wunused-variable]
     int br,a,b,sum=0;
                ^~~
paprike.cpp: In function 'int dfs(int, int)':
paprike.cpp:39:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<niz[x].size();i++){
                 ~^~~~~~~~~~~~~~
paprike.cpp:46:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<ljut.size();i++)zbr+=ljut[i];
                 ~^~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 7 ms 2792 KB Output is correct
3 Correct 7 ms 2792 KB Output is correct
4 Correct 5 ms 2792 KB Output is correct
5 Correct 5 ms 2792 KB Output is correct
6 Correct 6 ms 2868 KB Output is correct
7 Correct 6 ms 2968 KB Output is correct
8 Correct 6 ms 2968 KB Output is correct
9 Correct 6 ms 2968 KB Output is correct
10 Correct 6 ms 3024 KB Output is correct
11 Correct 5 ms 3028 KB Output is correct
12 Correct 7 ms 3032 KB Output is correct
13 Correct 5 ms 3036 KB Output is correct
14 Correct 5 ms 3040 KB Output is correct
15 Correct 6 ms 3044 KB Output is correct
16 Correct 6 ms 3048 KB Output is correct
17 Correct 6 ms 3144 KB Output is correct
18 Correct 6 ms 3144 KB Output is correct
19 Correct 6 ms 3144 KB Output is correct
20 Correct 5 ms 3144 KB Output is correct
21 Correct 5 ms 3220 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 224 ms 18272 KB Output is correct
2 Correct 207 ms 20288 KB Output is correct
3 Correct 199 ms 22436 KB Output is correct
4 Correct 188 ms 24428 KB Output is correct
5 Correct 198 ms 26268 KB Output is correct
6 Correct 195 ms 28340 KB Output is correct
7 Correct 207 ms 30180 KB Output is correct
8 Correct 168 ms 31592 KB Output is correct

Subtask #3
0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 7 ms 2792 KB Output is correct
3 Correct 7 ms 2792 KB Output is correct
4 Correct 5 ms 2792 KB Output is correct
5 Correct 5 ms 2792 KB Output is correct
6 Correct 6 ms 2868 KB Output is correct
7 Correct 6 ms 2968 KB Output is correct
8 Correct 6 ms 2968 KB Output is correct
9 Correct 6 ms 2968 KB Output is correct
10 Correct 6 ms 3024 KB Output is correct
11 Correct 5 ms 3028 KB Output is correct
12 Correct 7 ms 3032 KB Output is correct
13 Correct 5 ms 3036 KB Output is correct
14 Correct 5 ms 3040 KB Output is correct
15 Correct 6 ms 3044 KB Output is correct
16 Correct 6 ms 3048 KB Output is correct
17 Correct 6 ms 3144 KB Output is correct
18 Correct 6 ms 3144 KB Output is correct
19 Correct 6 ms 3144 KB Output is correct
20 Correct 5 ms 3144 KB Output is correct
21 Correct 5 ms 3220 KB Output is correct
22 Correct 6 ms 31592 KB Output is correct
23 Correct 6 ms 31592 KB Output is correct
24 Correct 8 ms 31592 KB Output is correct
25 Correct 8 ms 31592 KB Output is correct
26 Correct 6 ms 31592 KB Output is correct
27 Correct 8 ms 31592 KB Output is correct
28 Correct 7 ms 31592 KB Output is correct
29 Correct 7 ms 31592 KB Output is correct
30 Correct 7 ms 31592 KB Output is correct
31 Correct 7 ms 31592 KB Output is correct
32 Correct 7 ms 31592 KB Output is correct
33 Correct 6 ms 31592 KB Output is correct
34 Correct 7 ms 31592 KB Output is correct
35 Correct 7 ms 31592 KB Output is correct
36 Correct 7 ms 31592 KB Output is correct
37 Correct 7 ms 31592 KB Output is correct
38 Incorrect 6 ms 31592 KB Output isn't correct

Subtask #4
0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2680 KB Output is correct
2 Correct 7 ms 2792 KB Output is correct
3 Correct 7 ms 2792 KB Output is correct
4 Correct 5 ms 2792 KB Output is correct
5 Correct 5 ms 2792 KB Output is correct
6 Correct 6 ms 2868 KB Output is correct
7 Correct 6 ms 2968 KB Output is correct
8 Correct 6 ms 2968 KB Output is correct
9 Correct 6 ms 2968 KB Output is correct
10 Correct 6 ms 3024 KB Output is correct
11 Correct 5 ms 3028 KB Output is correct
12 Correct 7 ms 3032 KB Output is correct
13 Correct 5 ms 3036 KB Output is correct
14 Correct 5 ms 3040 KB Output is correct
15 Correct 6 ms 3044 KB Output is correct
16 Correct 6 ms 3048 KB Output is correct
17 Correct 6 ms 3144 KB Output is correct
18 Correct 6 ms 3144 KB Output is correct
19 Correct 6 ms 3144 KB Output is correct
20 Correct 5 ms 3144 KB Output is correct
21 Correct 5 ms 3220 KB Output is correct
22 Correct 224 ms 18272 KB Output is correct
23 Correct 207 ms 20288 KB Output is correct
24 Correct 199 ms 22436 KB Output is correct
25 Correct 188 ms 24428 KB Output is correct
26 Correct 198 ms 26268 KB Output is correct
27 Correct 195 ms 28340 KB Output is correct
28 Correct 207 ms 30180 KB Output is correct
29 Correct 168 ms 31592 KB Output is correct
30 Correct 6 ms 31592 KB Output is correct
31 Correct 6 ms 31592 KB Output is correct
32 Correct 8 ms 31592 KB Output is correct
33 Correct 8 ms 31592 KB Output is correct
34 Correct 6 ms 31592 KB Output is correct
35 Correct 8 ms 31592 KB Output is correct
36 Correct 7 ms 31592 KB Output is correct
37 Correct 7 ms 31592 KB Output is correct
38 Correct 7 ms 31592 KB Output is correct
39 Correct 7 ms 31592 KB Output is correct
40 Correct 7 ms 31592 KB Output is correct
41 Correct 6 ms 31592 KB Output is correct
42 Correct 7 ms 31592 KB Output is correct
43 Correct 7 ms 31592 KB Output is correct
44 Correct 7 ms 31592 KB Output is correct
45 Correct 7 ms 31592 KB Output is correct
46 Incorrect 6 ms 31592 KB Output isn't correct