oj.uz

Submission #43989

# Submission time Handle Problem Language Result Execution time Memory
43989 2018-03-29T08:32:15 Z wasyl Paprike (COI18_paprike) C++11
100 / 100
 124 ms 44132 KB 
#include <bits/stdc++.h>
#ifndef dbg
#define dbg(...)
#endif
#define all(x) begin(x), end(x)
#define rsz(...) resize(__VA_ARGS__)
#define psh(...) push_back(__VA_ARGS__)
#define emp(...) emplace_back(__VA_ARGS__)
#define prt(...) print(cout, __VA_ARGS__)
#define dmp(...) print(cerr, #__VA_ARGS__, '=', __VA_ARGS__)
#define dprt(...) dbg(print(cerr,__VA_ARGS__))
#define ddmp(...) dbg(dmp(__VA_ARGS__))
using namespace std;using ll=long long;
template<typename t>using V=vector<t>;
template<typename t>void print(ostream& os, const t& a){os<<a<<'\n';}
template<typename t, typename... A>void print
(ostream& os, const t& a, A&&... b){os<<a<<' ';print(os, b...);}

int n, k, r;
V< ll > val;
V< V< int > > gr;

inline void dfs (int v, int o)
{
    for (int s : gr[v])
        if (s != o)
            dfs(s, v);
    
    V< int > ilo;
    for (int s : gr[v])
        if (s != o)
        {
            val[v] += val[s];
            ilo.psh(val[s]);
        }
    
    sort(all(ilo));
    reverse(all(ilo));
    
    int pt = 0;    
    
    while (val[v] > k)
    {
        val[v] -= ilo[pt++];
        ++r;        
    }
}

int main()
{
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    cin >> n >> k;
    
    gr.rsz(n + 1);
    val.rsz(n + 1);
    
    for (int i = 1; i <= n; ++i)
        cin >> val[i];
        
    for (int i = 0; i < n - 1; ++i)
    {
        int p, q; cin >> p >> q;
        gr[p].psh(q);
        gr[q].psh(p);    
    }
    
    dfs(1, 1);
    
    prt(r);
}

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 472 KB Output is correct
4 Correct 2 ms 496 KB Output is correct
5 Correct 2 ms 692 KB Output is correct
6 Correct 2 ms 692 KB Output is correct
7 Correct 2 ms 692 KB Output is correct
8 Correct 2 ms 692 KB Output is correct
9 Correct 2 ms 692 KB Output is correct
10 Correct 2 ms 692 KB Output is correct
11 Correct 2 ms 692 KB Output is correct
12 Correct 2 ms 780 KB Output is correct
13 Correct 2 ms 780 KB Output is correct
14 Correct 2 ms 780 KB Output is correct
15 Correct 2 ms 780 KB Output is correct
16 Correct 2 ms 780 KB Output is correct
17 Correct 2 ms 780 KB Output is correct
18 Correct 2 ms 780 KB Output is correct
19 Correct 2 ms 780 KB Output is correct
20 Correct 2 ms 780 KB Output is correct
21 Correct 2 ms 780 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 65 ms 15224 KB Output is correct
2 Correct 71 ms 17236 KB Output is correct
3 Correct 64 ms 19212 KB Output is correct
4 Correct 66 ms 21260 KB Output is correct
5 Correct 63 ms 23244 KB Output is correct
6 Correct 65 ms 25184 KB Output is correct
7 Correct 64 ms 27100 KB Output is correct
8 Correct 62 ms 28504 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 472 KB Output is correct
4 Correct 2 ms 496 KB Output is correct
5 Correct 2 ms 692 KB Output is correct
6 Correct 2 ms 692 KB Output is correct
7 Correct 2 ms 692 KB Output is correct
8 Correct 2 ms 692 KB Output is correct
9 Correct 2 ms 692 KB Output is correct
10 Correct 2 ms 692 KB Output is correct
11 Correct 2 ms 692 KB Output is correct
12 Correct 2 ms 780 KB Output is correct
13 Correct 2 ms 780 KB Output is correct
14 Correct 2 ms 780 KB Output is correct
15 Correct 2 ms 780 KB Output is correct
16 Correct 2 ms 780 KB Output is correct
17 Correct 2 ms 780 KB Output is correct
18 Correct 2 ms 780 KB Output is correct
19 Correct 2 ms 780 KB Output is correct
20 Correct 2 ms 780 KB Output is correct
21 Correct 2 ms 780 KB Output is correct
22 Correct 3 ms 28504 KB Output is correct
23 Correct 3 ms 28504 KB Output is correct
24 Correct 2 ms 28504 KB Output is correct
25 Correct 3 ms 28504 KB Output is correct
26 Correct 3 ms 28504 KB Output is correct
27 Correct 2 ms 28504 KB Output is correct
28 Correct 3 ms 28504 KB Output is correct
29 Correct 2 ms 28504 KB Output is correct
30 Correct 3 ms 28504 KB Output is correct
31 Correct 2 ms 28504 KB Output is correct
32 Correct 2 ms 28504 KB Output is correct
33 Correct 2 ms 28504 KB Output is correct
34 Correct 3 ms 28504 KB Output is correct
35 Correct 3 ms 28504 KB Output is correct
36 Correct 3 ms 28504 KB Output is correct
37 Correct 3 ms 28504 KB Output is correct
38 Correct 2 ms 28504 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 248 KB Output is correct
2 Correct 2 ms 360 KB Output is correct
3 Correct 2 ms 472 KB Output is correct
4 Correct 2 ms 496 KB Output is correct
5 Correct 2 ms 692 KB Output is correct
6 Correct 2 ms 692 KB Output is correct
7 Correct 2 ms 692 KB Output is correct
8 Correct 2 ms 692 KB Output is correct
9 Correct 2 ms 692 KB Output is correct
10 Correct 2 ms 692 KB Output is correct
11 Correct 2 ms 692 KB Output is correct
12 Correct 2 ms 780 KB Output is correct
13 Correct 2 ms 780 KB Output is correct
14 Correct 2 ms 780 KB Output is correct
15 Correct 2 ms 780 KB Output is correct
16 Correct 2 ms 780 KB Output is correct
17 Correct 2 ms 780 KB Output is correct
18 Correct 2 ms 780 KB Output is correct
19 Correct 2 ms 780 KB Output is correct
20 Correct 2 ms 780 KB Output is correct
21 Correct 2 ms 780 KB Output is correct
22 Correct 65 ms 15224 KB Output is correct
23 Correct 71 ms 17236 KB Output is correct
24 Correct 64 ms 19212 KB Output is correct
25 Correct 66 ms 21260 KB Output is correct
26 Correct 63 ms 23244 KB Output is correct
27 Correct 65 ms 25184 KB Output is correct
28 Correct 64 ms 27100 KB Output is correct
29 Correct 62 ms 28504 KB Output is correct
30 Correct 3 ms 28504 KB Output is correct
31 Correct 3 ms 28504 KB Output is correct
32 Correct 2 ms 28504 KB Output is correct
33 Correct 3 ms 28504 KB Output is correct
34 Correct 3 ms 28504 KB Output is correct
35 Correct 2 ms 28504 KB Output is correct
36 Correct 3 ms 28504 KB Output is correct
37 Correct 2 ms 28504 KB Output is correct
38 Correct 3 ms 28504 KB Output is correct
39 Correct 2 ms 28504 KB Output is correct
40 Correct 2 ms 28504 KB Output is correct
41 Correct 2 ms 28504 KB Output is correct
42 Correct 3 ms 28504 KB Output is correct
43 Correct 3 ms 28504 KB Output is correct
44 Correct 3 ms 28504 KB Output is correct
45 Correct 3 ms 28504 KB Output is correct
46 Correct 2 ms 28504 KB Output is correct
47 Correct 62 ms 28504 KB Output is correct
48 Correct 64 ms 28504 KB Output is correct
49 Correct 64 ms 29600 KB Output is correct
50 Correct 65 ms 31516 KB Output is correct
51 Correct 124 ms 32880 KB Output is correct
52 Correct 85 ms 34840 KB Output is correct
53 Correct 91 ms 36680 KB Output is correct
54 Correct 93 ms 38724 KB Output is correct
55 Correct 79 ms 40048 KB Output is correct
56 Correct 88 ms 41452 KB Output is correct
57 Correct 46 ms 44132 KB Output is correct