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Submission #44546

# Submission time Handle Problem Language Result Execution time Memory
44546 2018-04-03T04:50:17 Z iletavcioski Paprike (COI18_paprike) C++17
100 / 100
 190 ms 44920 KB 
#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
typedef long long ll;
vector<vector<int> > v;
int n;
ll k;
vector<ll> val;
int res=0;
ll dfs(int x,int prev)
{
    vector<ll> vk;
    ll brojac=val[x];
    for(int i=0;i<v[x].size();i++)
    {
        if(v[x][i]!=prev)
        {
            ll a=dfs(v[x][i],x);
            brojac+=a;
            vk.push_back(a);
        }
    }
    sort(vk.begin(),vk.end());
    reverse(vk.begin(),vk.end());
    int i=0;
    while(brojac>k&&i<vk.size())
    {
        res++;
        brojac-=vk[i];
        i++;
    }
    return brojac;
}
int main()
{
    cin>>n>>k;
    vector<int> vec;
    v.insert(v.begin(),n+1,vec);
    for(int i=0;i<n;i++)
    {
        ll a;
        cin>>a;
        val.push_back(a);
    }
    for(int i=0;i<n-1;i++)
    {
        int a,b;
        cin>>a>>b;
        a--;
        b--;
        v[a].push_back(b);
        v[b].push_back(a);
    }
    dfs(0,-1);
    cout<<res<<endl;
    return 0;
}

Compilation message

paprike.cpp: In function 'll dfs(int, int)':
paprike.cpp:15:18: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     for(int i=0;i<v[x].size();i++)
                 ~^~~~~~~~~~~~
paprike.cpp:27:22: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while(brojac>k&&i<vk.size())
                     ~^~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 480 KB Output is correct
3 Correct 2 ms 480 KB Output is correct
4 Correct 2 ms 480 KB Output is correct
5 Correct 2 ms 480 KB Output is correct
6 Correct 2 ms 528 KB Output is correct
7 Correct 2 ms 708 KB Output is correct
8 Correct 2 ms 708 KB Output is correct
9 Correct 2 ms 708 KB Output is correct
10 Correct 2 ms 708 KB Output is correct
11 Correct 2 ms 708 KB Output is correct
12 Correct 2 ms 708 KB Output is correct
13 Correct 2 ms 708 KB Output is correct
14 Correct 2 ms 708 KB Output is correct
15 Correct 2 ms 708 KB Output is correct
16 Correct 2 ms 708 KB Output is correct
17 Correct 2 ms 708 KB Output is correct
18 Correct 2 ms 708 KB Output is correct
19 Correct 2 ms 708 KB Output is correct
20 Correct 2 ms 708 KB Output is correct
21 Correct 2 ms 740 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 154 ms 18416 KB Output is correct
2 Correct 174 ms 20428 KB Output is correct
3 Correct 159 ms 22540 KB Output is correct
4 Correct 153 ms 24420 KB Output is correct
5 Correct 171 ms 26304 KB Output is correct
6 Correct 154 ms 28272 KB Output is correct
7 Correct 154 ms 30184 KB Output is correct
8 Correct 133 ms 31636 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 480 KB Output is correct
3 Correct 2 ms 480 KB Output is correct
4 Correct 2 ms 480 KB Output is correct
5 Correct 2 ms 480 KB Output is correct
6 Correct 2 ms 528 KB Output is correct
7 Correct 2 ms 708 KB Output is correct
8 Correct 2 ms 708 KB Output is correct
9 Correct 2 ms 708 KB Output is correct
10 Correct 2 ms 708 KB Output is correct
11 Correct 2 ms 708 KB Output is correct
12 Correct 2 ms 708 KB Output is correct
13 Correct 2 ms 708 KB Output is correct
14 Correct 2 ms 708 KB Output is correct
15 Correct 2 ms 708 KB Output is correct
16 Correct 2 ms 708 KB Output is correct
17 Correct 2 ms 708 KB Output is correct
18 Correct 2 ms 708 KB Output is correct
19 Correct 2 ms 708 KB Output is correct
20 Correct 2 ms 708 KB Output is correct
21 Correct 2 ms 740 KB Output is correct
22 Correct 3 ms 31636 KB Output is correct
23 Correct 3 ms 31636 KB Output is correct
24 Correct 3 ms 31636 KB Output is correct
25 Correct 3 ms 31636 KB Output is correct
26 Correct 3 ms 31636 KB Output is correct
27 Correct 3 ms 31636 KB Output is correct
28 Correct 3 ms 31636 KB Output is correct
29 Correct 3 ms 31636 KB Output is correct
30 Correct 4 ms 31636 KB Output is correct
31 Correct 4 ms 31636 KB Output is correct
32 Correct 4 ms 31636 KB Output is correct
33 Correct 3 ms 31636 KB Output is correct
34 Correct 3 ms 31636 KB Output is correct
35 Correct 3 ms 31636 KB Output is correct
36 Correct 4 ms 31636 KB Output is correct
37 Correct 3 ms 31636 KB Output is correct
38 Correct 3 ms 31636 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 480 KB Output is correct
3 Correct 2 ms 480 KB Output is correct
4 Correct 2 ms 480 KB Output is correct
5 Correct 2 ms 480 KB Output is correct
6 Correct 2 ms 528 KB Output is correct
7 Correct 2 ms 708 KB Output is correct
8 Correct 2 ms 708 KB Output is correct
9 Correct 2 ms 708 KB Output is correct
10 Correct 2 ms 708 KB Output is correct
11 Correct 2 ms 708 KB Output is correct
12 Correct 2 ms 708 KB Output is correct
13 Correct 2 ms 708 KB Output is correct
14 Correct 2 ms 708 KB Output is correct
15 Correct 2 ms 708 KB Output is correct
16 Correct 2 ms 708 KB Output is correct
17 Correct 2 ms 708 KB Output is correct
18 Correct 2 ms 708 KB Output is correct
19 Correct 2 ms 708 KB Output is correct
20 Correct 2 ms 708 KB Output is correct
21 Correct 2 ms 740 KB Output is correct
22 Correct 154 ms 18416 KB Output is correct
23 Correct 174 ms 20428 KB Output is correct
24 Correct 159 ms 22540 KB Output is correct
25 Correct 153 ms 24420 KB Output is correct
26 Correct 171 ms 26304 KB Output is correct
27 Correct 154 ms 28272 KB Output is correct
28 Correct 154 ms 30184 KB Output is correct
29 Correct 133 ms 31636 KB Output is correct
30 Correct 3 ms 31636 KB Output is correct
31 Correct 3 ms 31636 KB Output is correct
32 Correct 3 ms 31636 KB Output is correct
33 Correct 3 ms 31636 KB Output is correct
34 Correct 3 ms 31636 KB Output is correct
35 Correct 3 ms 31636 KB Output is correct
36 Correct 3 ms 31636 KB Output is correct
37 Correct 3 ms 31636 KB Output is correct
38 Correct 4 ms 31636 KB Output is correct
39 Correct 4 ms 31636 KB Output is correct
40 Correct 4 ms 31636 KB Output is correct
41 Correct 3 ms 31636 KB Output is correct
42 Correct 3 ms 31636 KB Output is correct
43 Correct 3 ms 31636 KB Output is correct
44 Correct 4 ms 31636 KB Output is correct
45 Correct 3 ms 31636 KB Output is correct
46 Correct 3 ms 31636 KB Output is correct
47 Correct 162 ms 31636 KB Output is correct
48 Correct 155 ms 31636 KB Output is correct
49 Correct 159 ms 31636 KB Output is correct
50 Correct 150 ms 31836 KB Output is correct
51 Correct 189 ms 32788 KB Output is correct
52 Correct 184 ms 34760 KB Output is correct
53 Correct 190 ms 36740 KB Output is correct
54 Correct 178 ms 38496 KB Output is correct
55 Correct 164 ms 40040 KB Output is correct
56 Correct 189 ms 41444 KB Output is correct
57 Correct 121 ms 44920 KB Output is correct