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Submission #71637

# Submission time Handle Problem Language Result Execution time Memory
71637 2018-08-25T09:28:05 Z miljenko_jabucica Paprike (COI18_paprike) C++14
100 / 100
 243 ms 17132 KB 
#include<bits/stdc++.h>

using namespace std;
int n, k;
long long niz [100005];
vector <int> v[100005];
int a[100005];
int b[100005];
int rez = 0;
int dfs(int x, int par){
    long long sum = 0;
    vector<long long> 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;
        long long 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 6 ms 2680 KB Output is correct
2 Correct 4 ms 2684 KB Output is correct
3 Correct 4 ms 2724 KB Output is correct
4 Correct 5 ms 2740 KB Output is correct
5 Correct 4 ms 2740 KB Output is correct
6 Correct 4 ms 2928 KB Output is correct
7 Correct 5 ms 2928 KB Output is correct
8 Correct 4 ms 2948 KB Output is correct
9 Correct 6 ms 2948 KB Output is correct
10 Correct 4 ms 2948 KB Output is correct
11 Correct 7 ms 2948 KB Output is correct
12 Correct 5 ms 2948 KB Output is correct
13 Correct 5 ms 2948 KB Output is correct
14 Correct 5 ms 2948 KB Output is correct
15 Correct 4 ms 2948 KB Output is correct
16 Correct 4 ms 2948 KB Output is correct
17 Correct 4 ms 2948 KB Output is correct
18 Correct 5 ms 2948 KB Output is correct
19 Correct 5 ms 2948 KB Output is correct
20 Correct 5 ms 2948 KB Output is correct
21 Correct 4 ms 2948 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 191 ms 16968 KB Output is correct
2 Correct 154 ms 17004 KB Output is correct
3 Correct 167 ms 17008 KB Output is correct
4 Correct 159 ms 17008 KB Output is correct
5 Correct 161 ms 17096 KB Output is correct
6 Correct 192 ms 17132 KB Output is correct
7 Correct 159 ms 17132 KB Output is correct
8 Correct 164 ms 17132 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2680 KB Output is correct
2 Correct 4 ms 2684 KB Output is correct
3 Correct 4 ms 2724 KB Output is correct
4 Correct 5 ms 2740 KB Output is correct
5 Correct 4 ms 2740 KB Output is correct
6 Correct 4 ms 2928 KB Output is correct
7 Correct 5 ms 2928 KB Output is correct
8 Correct 4 ms 2948 KB Output is correct
9 Correct 6 ms 2948 KB Output is correct
10 Correct 4 ms 2948 KB Output is correct
11 Correct 7 ms 2948 KB Output is correct
12 Correct 5 ms 2948 KB Output is correct
13 Correct 5 ms 2948 KB Output is correct
14 Correct 5 ms 2948 KB Output is correct
15 Correct 4 ms 2948 KB Output is correct
16 Correct 4 ms 2948 KB Output is correct
17 Correct 4 ms 2948 KB Output is correct
18 Correct 5 ms 2948 KB Output is correct
19 Correct 5 ms 2948 KB Output is correct
20 Correct 5 ms 2948 KB Output is correct
21 Correct 4 ms 2948 KB Output is correct
22 Correct 7 ms 17132 KB Output is correct
23 Correct 6 ms 17132 KB Output is correct
24 Correct 7 ms 17132 KB Output is correct
25 Correct 7 ms 17132 KB Output is correct
26 Correct 7 ms 17132 KB Output is correct
27 Correct 6 ms 17132 KB Output is correct
28 Correct 7 ms 17132 KB Output is correct
29 Correct 5 ms 17132 KB Output is correct
30 Correct 6 ms 17132 KB Output is correct
31 Correct 5 ms 17132 KB Output is correct
32 Correct 6 ms 17132 KB Output is correct
33 Correct 7 ms 17132 KB Output is correct
34 Correct 7 ms 17132 KB Output is correct
35 Correct 7 ms 17132 KB Output is correct
36 Correct 6 ms 17132 KB Output is correct
37 Correct 7 ms 17132 KB Output is correct
38 Correct 7 ms 17132 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 6 ms 2680 KB Output is correct
2 Correct 4 ms 2684 KB Output is correct
3 Correct 4 ms 2724 KB Output is correct
4 Correct 5 ms 2740 KB Output is correct
5 Correct 4 ms 2740 KB Output is correct
6 Correct 4 ms 2928 KB Output is correct
7 Correct 5 ms 2928 KB Output is correct
8 Correct 4 ms 2948 KB Output is correct
9 Correct 6 ms 2948 KB Output is correct
10 Correct 4 ms 2948 KB Output is correct
11 Correct 7 ms 2948 KB Output is correct
12 Correct 5 ms 2948 KB Output is correct
13 Correct 5 ms 2948 KB Output is correct
14 Correct 5 ms 2948 KB Output is correct
15 Correct 4 ms 2948 KB Output is correct
16 Correct 4 ms 2948 KB Output is correct
17 Correct 4 ms 2948 KB Output is correct
18 Correct 5 ms 2948 KB Output is correct
19 Correct 5 ms 2948 KB Output is correct
20 Correct 5 ms 2948 KB Output is correct
21 Correct 4 ms 2948 KB Output is correct
22 Correct 191 ms 16968 KB Output is correct
23 Correct 154 ms 17004 KB Output is correct
24 Correct 167 ms 17008 KB Output is correct
25 Correct 159 ms 17008 KB Output is correct
26 Correct 161 ms 17096 KB Output is correct
27 Correct 192 ms 17132 KB Output is correct
28 Correct 159 ms 17132 KB Output is correct
29 Correct 164 ms 17132 KB Output is correct
30 Correct 7 ms 17132 KB Output is correct
31 Correct 6 ms 17132 KB Output is correct
32 Correct 7 ms 17132 KB Output is correct
33 Correct 7 ms 17132 KB Output is correct
34 Correct 7 ms 17132 KB Output is correct
35 Correct 6 ms 17132 KB Output is correct
36 Correct 7 ms 17132 KB Output is correct
37 Correct 5 ms 17132 KB Output is correct
38 Correct 6 ms 17132 KB Output is correct
39 Correct 5 ms 17132 KB Output is correct
40 Correct 6 ms 17132 KB Output is correct
41 Correct 7 ms 17132 KB Output is correct
42 Correct 7 ms 17132 KB Output is correct
43 Correct 7 ms 17132 KB Output is correct
44 Correct 6 ms 17132 KB Output is correct
45 Correct 7 ms 17132 KB Output is correct
46 Correct 7 ms 17132 KB Output is correct
47 Correct 187 ms 17132 KB Output is correct
48 Correct 164 ms 17132 KB Output is correct
49 Correct 185 ms 17132 KB Output is correct
50 Correct 199 ms 17132 KB Output is correct
51 Correct 224 ms 17132 KB Output is correct
52 Correct 198 ms 17132 KB Output is correct
53 Correct 228 ms 17132 KB Output is correct
54 Correct 243 ms 17132 KB Output is correct
55 Correct 191 ms 17132 KB Output is correct
56 Correct 180 ms 17132 KB Output is correct
57 Correct 134 ms 17132 KB Output is correct