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Submission #71634

# Submission time Handle Problem Language Result Execution time Memory
71634 2018-08-25T09:24:28 Z miljenko_jabucica Paprike (COI18_paprike) C++14
24 / 100
 182 ms 16824 KB 
#include<bits/stdc++.h>

using namespace std;
int n, k;
int niz [100005];
vector <int> v[100005];
int a[100005];
int b[100005];
int rez = 0;
int dfs(int x, int par){
    int sum = 0;
    vector<int> lj_djeca;
    if (v[x].size() == 1 && x != 1)return niz[x-1];
    for (int i = 0; i < v[x].size(); ++i){
        int node = v[x][i];
        if (node == par)continue;
        int sum2 = dfs(node, x);
        lj_djeca.push_back(sum2);
        sum += sum2;
        ///cout <<node <<" " <<sum[node] <<endl;
    }
    sum += niz[x-1];
    sort(lj_djeca.begin(), lj_djeca.end());
    ///cout <<"x -> " <<x <<endl;
    ///for (int i = 0; i < lj_djeca.size(); ++i)cout <<lj_djeca[i] <<" ";
    ///cout <<endl;
    int i = 0;
    while (sum>k){
        sum -= lj_djeca[lj_djeca.size()-1];
        lj_djeca.pop_back();
        ++rez;
    }
    return sum;
}

int main()
{
    cin >>n >>k;
    for (int i = 0; i < n; ++i)cin >>niz[i];
    for (int i = 0; i < n-1; ++i){
        cin >>a[i] >>b[i];
        v[a[i]].push_back(b[i]);
        v[b[i]].push_back(a[i]);
    }
    dfs(1, 0);
    cout <<rez;
return 0;
}

Compilation message

paprike.cpp: In function 'int dfs(int, int)':
paprike.cpp:14:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for (int i = 0; i < v[x].size(); ++i){
                     ~~^~~~~~~~~~~~~
paprike.cpp:27:9: warning: unused variable 'i' [-Wunused-variable]
     int i = 0;
         ^

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 6 ms 2852 KB Output is correct
4 Correct 5 ms 2852 KB Output is correct
5 Correct 6 ms 2860 KB Output is correct
6 Correct 5 ms 2888 KB Output is correct
7 Correct 4 ms 2892 KB Output is correct
8 Correct 5 ms 2896 KB Output is correct
9 Correct 4 ms 2896 KB Output is correct
10 Correct 6 ms 2904 KB Output is correct
11 Correct 5 ms 2912 KB Output is correct
12 Correct 5 ms 2912 KB Output is correct
13 Correct 4 ms 2916 KB Output is correct
14 Correct 3 ms 2964 KB Output is correct
15 Correct 6 ms 2968 KB Output is correct
16 Correct 5 ms 2972 KB Output is correct
17 Correct 4 ms 2984 KB Output is correct
18 Correct 5 ms 2988 KB Output is correct
19 Correct 5 ms 2992 KB Output is correct
20 Correct 5 ms 2996 KB Output is correct
21 Correct 4 ms 3000 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 148 ms 16608 KB Output is correct
2 Correct 182 ms 16628 KB Output is correct
3 Correct 172 ms 16664 KB Output is correct
4 Correct 153 ms 16664 KB Output is correct
5 Correct 158 ms 16824 KB Output is correct
6 Correct 151 ms 16824 KB Output is correct
7 Correct 170 ms 16824 KB Output is correct
8 Correct 169 ms 16824 KB Output is correct

Subtask #3
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 6 ms 2852 KB Output is correct
4 Correct 5 ms 2852 KB Output is correct
5 Correct 6 ms 2860 KB Output is correct
6 Correct 5 ms 2888 KB Output is correct
7 Correct 4 ms 2892 KB Output is correct
8 Correct 5 ms 2896 KB Output is correct
9 Correct 4 ms 2896 KB Output is correct
10 Correct 6 ms 2904 KB Output is correct
11 Correct 5 ms 2912 KB Output is correct
12 Correct 5 ms 2912 KB Output is correct
13 Correct 4 ms 2916 KB Output is correct
14 Correct 3 ms 2964 KB Output is correct
15 Correct 6 ms 2968 KB Output is correct
16 Correct 5 ms 2972 KB Output is correct
17 Correct 4 ms 2984 KB Output is correct
18 Correct 5 ms 2988 KB Output is correct
19 Correct 5 ms 2992 KB Output is correct
20 Correct 5 ms 2996 KB Output is correct
21 Correct 4 ms 3000 KB Output is correct
22 Correct 6 ms 16824 KB Output is correct
23 Correct 9 ms 16824 KB Output is correct
24 Correct 6 ms 16824 KB Output is correct
25 Correct 7 ms 16824 KB Output is correct
26 Correct 9 ms 16824 KB Output is correct
27 Correct 7 ms 16824 KB Output is correct
28 Correct 5 ms 16824 KB Output is correct
29 Correct 6 ms 16824 KB Output is correct
30 Correct 7 ms 16824 KB Output is correct
31 Correct 6 ms 16824 KB Output is correct
32 Correct 6 ms 16824 KB Output is correct
33 Correct 6 ms 16824 KB Output is correct
34 Correct 6 ms 16824 KB Output is correct
35 Correct 5 ms 16824 KB Output is correct
36 Correct 6 ms 16824 KB Output is correct
37 Correct 7 ms 16824 KB Output is correct
38 Incorrect 6 ms 16824 KB Output isn't correct

Subtask #4
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 6 ms 2852 KB Output is correct
4 Correct 5 ms 2852 KB Output is correct
5 Correct 6 ms 2860 KB Output is correct
6 Correct 5 ms 2888 KB Output is correct
7 Correct 4 ms 2892 KB Output is correct
8 Correct 5 ms 2896 KB Output is correct
9 Correct 4 ms 2896 KB Output is correct
10 Correct 6 ms 2904 KB Output is correct
11 Correct 5 ms 2912 KB Output is correct
12 Correct 5 ms 2912 KB Output is correct
13 Correct 4 ms 2916 KB Output is correct
14 Correct 3 ms 2964 KB Output is correct
15 Correct 6 ms 2968 KB Output is correct
16 Correct 5 ms 2972 KB Output is correct
17 Correct 4 ms 2984 KB Output is correct
18 Correct 5 ms 2988 KB Output is correct
19 Correct 5 ms 2992 KB Output is correct
20 Correct 5 ms 2996 KB Output is correct
21 Correct 4 ms 3000 KB Output is correct
22 Correct 148 ms 16608 KB Output is correct
23 Correct 182 ms 16628 KB Output is correct
24 Correct 172 ms 16664 KB Output is correct
25 Correct 153 ms 16664 KB Output is correct
26 Correct 158 ms 16824 KB Output is correct
27 Correct 151 ms 16824 KB Output is correct
28 Correct 170 ms 16824 KB Output is correct
29 Correct 169 ms 16824 KB Output is correct
30 Correct 6 ms 16824 KB Output is correct
31 Correct 9 ms 16824 KB Output is correct
32 Correct 6 ms 16824 KB Output is correct
33 Correct 7 ms 16824 KB Output is correct
34 Correct 9 ms 16824 KB Output is correct
35 Correct 7 ms 16824 KB Output is correct
36 Correct 5 ms 16824 KB Output is correct
37 Correct 6 ms 16824 KB Output is correct
38 Correct 7 ms 16824 KB Output is correct
39 Correct 6 ms 16824 KB Output is correct
40 Correct 6 ms 16824 KB Output is correct
41 Correct 6 ms 16824 KB Output is correct
42 Correct 6 ms 16824 KB Output is correct
43 Correct 5 ms 16824 KB Output is correct
44 Correct 6 ms 16824 KB Output is correct
45 Correct 7 ms 16824 KB Output is correct
46 Incorrect 6 ms 16824 KB Output isn't correct