oj.uz

Submission #71758

# Submission time Handle Problem Language Result Execution time Memory
71758 2018-08-25T14:44:10 Z fabjanm Paprike (COI18_paprike) C++
100 / 100
 244 ms 16376 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 5 ms 2720 KB Output is correct
2 Correct 5 ms 2720 KB Output is correct
3 Correct 5 ms 2720 KB Output is correct
4 Correct 5 ms 2812 KB Output is correct
5 Correct 4 ms 2812 KB Output is correct
6 Correct 5 ms 2828 KB Output is correct
7 Correct 5 ms 3004 KB Output is correct
8 Correct 5 ms 3004 KB Output is correct
9 Correct 5 ms 3120 KB Output is correct
10 Correct 6 ms 3120 KB Output is correct
11 Correct 6 ms 3120 KB Output is correct
12 Correct 6 ms 3120 KB Output is correct
13 Correct 5 ms 3120 KB Output is correct
14 Correct 4 ms 3120 KB Output is correct
15 Correct 4 ms 3120 KB Output is correct
16 Correct 5 ms 3120 KB Output is correct
17 Correct 5 ms 3120 KB Output is correct
18 Correct 6 ms 3120 KB Output is correct
19 Correct 5 ms 3120 KB Output is correct
20 Correct 5 ms 3120 KB Output is correct
21 Correct 4 ms 3120 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 193 ms 16368 KB Output is correct
2 Correct 181 ms 16368 KB Output is correct
3 Correct 170 ms 16368 KB Output is correct
4 Correct 175 ms 16376 KB Output is correct
5 Correct 177 ms 16376 KB Output is correct
6 Correct 167 ms 16376 KB Output is correct
7 Correct 151 ms 16376 KB Output is correct
8 Correct 168 ms 16376 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2720 KB Output is correct
2 Correct 5 ms 2720 KB Output is correct
3 Correct 5 ms 2720 KB Output is correct
4 Correct 5 ms 2812 KB Output is correct
5 Correct 4 ms 2812 KB Output is correct
6 Correct 5 ms 2828 KB Output is correct
7 Correct 5 ms 3004 KB Output is correct
8 Correct 5 ms 3004 KB Output is correct
9 Correct 5 ms 3120 KB Output is correct
10 Correct 6 ms 3120 KB Output is correct
11 Correct 6 ms 3120 KB Output is correct
12 Correct 6 ms 3120 KB Output is correct
13 Correct 5 ms 3120 KB Output is correct
14 Correct 4 ms 3120 KB Output is correct
15 Correct 4 ms 3120 KB Output is correct
16 Correct 5 ms 3120 KB Output is correct
17 Correct 5 ms 3120 KB Output is correct
18 Correct 6 ms 3120 KB Output is correct
19 Correct 5 ms 3120 KB Output is correct
20 Correct 5 ms 3120 KB Output is correct
21 Correct 4 ms 3120 KB Output is correct
22 Correct 7 ms 16376 KB Output is correct
23 Correct 5 ms 16376 KB Output is correct
24 Correct 5 ms 16376 KB Output is correct
25 Correct 7 ms 16376 KB Output is correct
26 Correct 6 ms 16376 KB Output is correct
27 Correct 7 ms 16376 KB Output is correct
28 Correct 6 ms 16376 KB Output is correct
29 Correct 6 ms 16376 KB Output is correct
30 Correct 7 ms 16376 KB Output is correct
31 Correct 7 ms 16376 KB Output is correct
32 Correct 6 ms 16376 KB Output is correct
33 Correct 8 ms 16376 KB Output is correct
34 Correct 5 ms 16376 KB Output is correct
35 Correct 5 ms 16376 KB Output is correct
36 Correct 5 ms 16376 KB Output is correct
37 Correct 8 ms 16376 KB Output is correct
38 Correct 7 ms 16376 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 5 ms 2720 KB Output is correct
2 Correct 5 ms 2720 KB Output is correct
3 Correct 5 ms 2720 KB Output is correct
4 Correct 5 ms 2812 KB Output is correct
5 Correct 4 ms 2812 KB Output is correct
6 Correct 5 ms 2828 KB Output is correct
7 Correct 5 ms 3004 KB Output is correct
8 Correct 5 ms 3004 KB Output is correct
9 Correct 5 ms 3120 KB Output is correct
10 Correct 6 ms 3120 KB Output is correct
11 Correct 6 ms 3120 KB Output is correct
12 Correct 6 ms 3120 KB Output is correct
13 Correct 5 ms 3120 KB Output is correct
14 Correct 4 ms 3120 KB Output is correct
15 Correct 4 ms 3120 KB Output is correct
16 Correct 5 ms 3120 KB Output is correct
17 Correct 5 ms 3120 KB Output is correct
18 Correct 6 ms 3120 KB Output is correct
19 Correct 5 ms 3120 KB Output is correct
20 Correct 5 ms 3120 KB Output is correct
21 Correct 4 ms 3120 KB Output is correct
22 Correct 193 ms 16368 KB Output is correct
23 Correct 181 ms 16368 KB Output is correct
24 Correct 170 ms 16368 KB Output is correct
25 Correct 175 ms 16376 KB Output is correct
26 Correct 177 ms 16376 KB Output is correct
27 Correct 167 ms 16376 KB Output is correct
28 Correct 151 ms 16376 KB Output is correct
29 Correct 168 ms 16376 KB Output is correct
30 Correct 7 ms 16376 KB Output is correct
31 Correct 5 ms 16376 KB Output is correct
32 Correct 5 ms 16376 KB Output is correct
33 Correct 7 ms 16376 KB Output is correct
34 Correct 6 ms 16376 KB Output is correct
35 Correct 7 ms 16376 KB Output is correct
36 Correct 6 ms 16376 KB Output is correct
37 Correct 6 ms 16376 KB Output is correct
38 Correct 7 ms 16376 KB Output is correct
39 Correct 7 ms 16376 KB Output is correct
40 Correct 6 ms 16376 KB Output is correct
41 Correct 8 ms 16376 KB Output is correct
42 Correct 5 ms 16376 KB Output is correct
43 Correct 5 ms 16376 KB Output is correct
44 Correct 5 ms 16376 KB Output is correct
45 Correct 8 ms 16376 KB Output is correct
46 Correct 7 ms 16376 KB Output is correct
47 Correct 166 ms 16376 KB Output is correct
48 Correct 193 ms 16376 KB Output is correct
49 Correct 195 ms 16376 KB Output is correct
50 Correct 179 ms 16376 KB Output is correct
51 Correct 243 ms 16376 KB Output is correct
52 Correct 226 ms 16376 KB Output is correct
53 Correct 197 ms 16376 KB Output is correct
54 Correct 244 ms 16376 KB Output is correct
55 Correct 199 ms 16376 KB Output is correct
56 Correct 205 ms 16376 KB Output is correct
57 Correct 141 ms 16376 KB Output is correct