oj.uz

Submission #70753

# Submission time Handle Problem Language Result Execution time Memory
70753 2018-08-23T09:50:16 Z BartolM Paprike (COI18_paprike) C++11
100 / 100
 265 ms 29584 KB 
#include<iostream>
#include<vector>
#include<string>
#include<algorithm>
#include<set>

using namespace std;

int n,k;

typedef long long ll;

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

//vector<int>ljut;

void input(){
    cin>>n>>k;
    ll 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);
    }
}

ll sol=0;

int dfs(ll x, ll par){
    vector<ll>ljut;
    for(int i=0;i<niz[x].size();i++){
        ll node=niz[x][i];
        if(node==par)continue;
        ljut.push_back(dfs(node, x));
    }
    sort(ljut.begin(),ljut.end());
    ll 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:21:15: warning: unused variable 'sum' [-Wunused-variable]
     ll br,a,b,sum=0;
               ^~~
paprike.cpp: In function 'int dfs(ll, ll)':
paprike.cpp:41:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<niz[x].size();i++){
                 ~^~~~~~~~~~~~~~
paprike.cpp:48:18: 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 4 ms 2680 KB Output is correct
2 Correct 5 ms 2680 KB Output is correct
3 Correct 5 ms 2696 KB Output is correct
4 Correct 4 ms 2772 KB Output is correct
5 Correct 4 ms 2848 KB Output is correct
6 Correct 5 ms 2848 KB Output is correct
7 Correct 6 ms 2848 KB Output is correct
8 Correct 5 ms 2848 KB Output is correct
9 Correct 5 ms 2848 KB Output is correct
10 Correct 6 ms 2848 KB Output is correct
11 Correct 5 ms 2848 KB Output is correct
12 Correct 5 ms 2852 KB Output is correct
13 Correct 6 ms 2864 KB Output is correct
14 Correct 5 ms 2920 KB Output is correct
15 Correct 5 ms 2924 KB Output is correct
16 Correct 5 ms 2924 KB Output is correct
17 Correct 6 ms 2924 KB Output is correct
18 Correct 5 ms 2924 KB Output is correct
19 Correct 5 ms 2924 KB Output is correct
20 Correct 6 ms 2924 KB Output is correct
21 Correct 6 ms 2924 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 214 ms 16204 KB Output is correct
2 Correct 220 ms 16452 KB Output is correct
3 Correct 155 ms 16452 KB Output is correct
4 Correct 171 ms 16452 KB Output is correct
5 Correct 160 ms 16452 KB Output is correct
6 Correct 156 ms 16452 KB Output is correct
7 Correct 166 ms 16452 KB Output is correct
8 Correct 160 ms 16452 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 5 ms 2680 KB Output is correct
3 Correct 5 ms 2696 KB Output is correct
4 Correct 4 ms 2772 KB Output is correct
5 Correct 4 ms 2848 KB Output is correct
6 Correct 5 ms 2848 KB Output is correct
7 Correct 6 ms 2848 KB Output is correct
8 Correct 5 ms 2848 KB Output is correct
9 Correct 5 ms 2848 KB Output is correct
10 Correct 6 ms 2848 KB Output is correct
11 Correct 5 ms 2848 KB Output is correct
12 Correct 5 ms 2852 KB Output is correct
13 Correct 6 ms 2864 KB Output is correct
14 Correct 5 ms 2920 KB Output is correct
15 Correct 5 ms 2924 KB Output is correct
16 Correct 5 ms 2924 KB Output is correct
17 Correct 6 ms 2924 KB Output is correct
18 Correct 5 ms 2924 KB Output is correct
19 Correct 5 ms 2924 KB Output is correct
20 Correct 6 ms 2924 KB Output is correct
21 Correct 6 ms 2924 KB Output is correct
22 Correct 8 ms 16452 KB Output is correct
23 Correct 8 ms 16452 KB Output is correct
24 Correct 6 ms 16452 KB Output is correct
25 Correct 5 ms 16452 KB Output is correct
26 Correct 6 ms 16452 KB Output is correct
27 Correct 6 ms 16452 KB Output is correct
28 Correct 7 ms 16452 KB Output is correct
29 Correct 6 ms 16452 KB Output is correct
30 Correct 6 ms 16452 KB Output is correct
31 Correct 6 ms 16452 KB Output is correct
32 Correct 8 ms 16452 KB Output is correct
33 Correct 6 ms 16452 KB Output is correct
34 Correct 6 ms 16452 KB Output is correct
35 Correct 8 ms 16452 KB Output is correct
36 Correct 7 ms 16452 KB Output is correct
37 Correct 8 ms 16452 KB Output is correct
38 Correct 7 ms 16452 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 4 ms 2680 KB Output is correct
2 Correct 5 ms 2680 KB Output is correct
3 Correct 5 ms 2696 KB Output is correct
4 Correct 4 ms 2772 KB Output is correct
5 Correct 4 ms 2848 KB Output is correct
6 Correct 5 ms 2848 KB Output is correct
7 Correct 6 ms 2848 KB Output is correct
8 Correct 5 ms 2848 KB Output is correct
9 Correct 5 ms 2848 KB Output is correct
10 Correct 6 ms 2848 KB Output is correct
11 Correct 5 ms 2848 KB Output is correct
12 Correct 5 ms 2852 KB Output is correct
13 Correct 6 ms 2864 KB Output is correct
14 Correct 5 ms 2920 KB Output is correct
15 Correct 5 ms 2924 KB Output is correct
16 Correct 5 ms 2924 KB Output is correct
17 Correct 6 ms 2924 KB Output is correct
18 Correct 5 ms 2924 KB Output is correct
19 Correct 5 ms 2924 KB Output is correct
20 Correct 6 ms 2924 KB Output is correct
21 Correct 6 ms 2924 KB Output is correct
22 Correct 214 ms 16204 KB Output is correct
23 Correct 220 ms 16452 KB Output is correct
24 Correct 155 ms 16452 KB Output is correct
25 Correct 171 ms 16452 KB Output is correct
26 Correct 160 ms 16452 KB Output is correct
27 Correct 156 ms 16452 KB Output is correct
28 Correct 166 ms 16452 KB Output is correct
29 Correct 160 ms 16452 KB Output is correct
30 Correct 8 ms 16452 KB Output is correct
31 Correct 8 ms 16452 KB Output is correct
32 Correct 6 ms 16452 KB Output is correct
33 Correct 5 ms 16452 KB Output is correct
34 Correct 6 ms 16452 KB Output is correct
35 Correct 6 ms 16452 KB Output is correct
36 Correct 7 ms 16452 KB Output is correct
37 Correct 6 ms 16452 KB Output is correct
38 Correct 6 ms 16452 KB Output is correct
39 Correct 6 ms 16452 KB Output is correct
40 Correct 8 ms 16452 KB Output is correct
41 Correct 6 ms 16452 KB Output is correct
42 Correct 6 ms 16452 KB Output is correct
43 Correct 8 ms 16452 KB Output is correct
44 Correct 7 ms 16452 KB Output is correct
45 Correct 8 ms 16452 KB Output is correct
46 Correct 7 ms 16452 KB Output is correct
47 Correct 192 ms 16452 KB Output is correct
48 Correct 180 ms 16452 KB Output is correct
49 Correct 189 ms 16452 KB Output is correct
50 Correct 174 ms 16552 KB Output is correct
51 Correct 227 ms 17568 KB Output is correct
52 Correct 265 ms 19584 KB Output is correct
53 Correct 265 ms 21408 KB Output is correct
54 Correct 262 ms 23460 KB Output is correct
55 Correct 200 ms 24852 KB Output is correct
56 Correct 227 ms 26224 KB Output is correct
57 Correct 134 ms 29584 KB Output is correct