oj.uz

Submission #241826

# Submission time Handle Problem Language Result Execution time Memory
241826 2020-06-25T15:40:00 Z marlicu Paprike (COI18_paprike) C++14
100 / 100
 83 ms 24288 KB 
#include <bits/stdc++.h>

using namespace std;

#define pb push_back
#define X first
#define Y second

typedef long long ll;

const int MAXN = 3e5 + 5;

int n, k;
int ljutina[MAXN];
vector <int> veze[MAXN];
ll suma[MAXN];

int rezovi(int x, int px) {
    int koliko = 0;
    vector <ll> dodani;

    for (auto nx : veze[x]) {
        if (nx == px) continue;
        koliko += rezovi(nx, x);
        suma[x] += suma[nx];
        dodani.push_back(suma[nx]);
    }

    suma[x] += (ll)ljutina[x];
    if (suma[x] <= k) return koliko;

    sort(dodani.rbegin(), dodani.rend());

    int t = 0;
    while (t < dodani.size() && suma[x] > k) {
        suma[x] -= dodani[t];
        koliko++; t++;
    }

    return koliko;
}

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0); cout.tie(0);

    cin >> n >> k;
    for (int i = 0; i < n; i++) cin >> ljutina[i];

    int a, b;
    for (int i = 1; i < n; i++) {
        cin >> a >> b;
        --a; --b;
        veze[a].pb(b);
        veze[b].pb(a);
    }

    cout << rezovi(0, -1) << '\n';

    return 0;
}

Compilation message

paprike.cpp: In function 'int rezovi(int, int)':
paprike.cpp:35:14: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
     while (t < dodani.size() && suma[x] > k) {
            ~~^~~~~~~~~~~~~~~

Subtask #1
11.0 / 11.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7424 KB Output is correct
2 Correct 9 ms 7424 KB Output is correct
3 Correct 8 ms 7424 KB Output is correct
4 Correct 9 ms 7424 KB Output is correct
5 Correct 9 ms 7424 KB Output is correct
6 Correct 9 ms 7424 KB Output is correct
7 Correct 9 ms 7424 KB Output is correct
8 Correct 9 ms 7424 KB Output is correct
9 Correct 8 ms 7424 KB Output is correct
10 Correct 8 ms 7424 KB Output is correct
11 Correct 9 ms 7424 KB Output is correct
12 Correct 9 ms 7424 KB Output is correct
13 Correct 9 ms 7424 KB Output is correct
14 Correct 10 ms 7424 KB Output is correct
15 Correct 9 ms 7424 KB Output is correct
16 Correct 8 ms 7424 KB Output is correct
17 Correct 9 ms 7424 KB Output is correct
18 Correct 9 ms 7424 KB Output is correct
19 Correct 9 ms 7424 KB Output is correct
20 Correct 8 ms 7552 KB Output is correct
21 Correct 10 ms 7424 KB Output is correct

Subtask #2
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 72 ms 24184 KB Output is correct
2 Correct 69 ms 24184 KB Output is correct
3 Correct 68 ms 24184 KB Output is correct
4 Correct 80 ms 24288 KB Output is correct
5 Correct 67 ms 24184 KB Output is correct
6 Correct 71 ms 24184 KB Output is correct
7 Correct 71 ms 24184 KB Output is correct
8 Correct 62 ms 24164 KB Output is correct

Subtask #3
27.0 / 27.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7424 KB Output is correct
2 Correct 9 ms 7424 KB Output is correct
3 Correct 8 ms 7424 KB Output is correct
4 Correct 9 ms 7424 KB Output is correct
5 Correct 9 ms 7424 KB Output is correct
6 Correct 9 ms 7424 KB Output is correct
7 Correct 9 ms 7424 KB Output is correct
8 Correct 9 ms 7424 KB Output is correct
9 Correct 8 ms 7424 KB Output is correct
10 Correct 8 ms 7424 KB Output is correct
11 Correct 9 ms 7424 KB Output is correct
12 Correct 9 ms 7424 KB Output is correct
13 Correct 9 ms 7424 KB Output is correct
14 Correct 10 ms 7424 KB Output is correct
15 Correct 9 ms 7424 KB Output is correct
16 Correct 8 ms 7424 KB Output is correct
17 Correct 9 ms 7424 KB Output is correct
18 Correct 9 ms 7424 KB Output is correct
19 Correct 9 ms 7424 KB Output is correct
20 Correct 8 ms 7552 KB Output is correct
21 Correct 10 ms 7424 KB Output is correct
22 Correct 10 ms 7424 KB Output is correct
23 Correct 9 ms 7424 KB Output is correct
24 Correct 9 ms 7424 KB Output is correct
25 Correct 9 ms 7424 KB Output is correct
26 Correct 9 ms 7424 KB Output is correct
27 Correct 9 ms 7424 KB Output is correct
28 Correct 10 ms 7424 KB Output is correct
29 Correct 9 ms 7424 KB Output is correct
30 Correct 10 ms 7424 KB Output is correct
31 Correct 9 ms 7424 KB Output is correct
32 Correct 11 ms 7424 KB Output is correct
33 Correct 9 ms 7424 KB Output is correct
34 Correct 9 ms 7424 KB Output is correct
35 Correct 9 ms 7424 KB Output is correct
36 Correct 9 ms 7424 KB Output is correct
37 Correct 9 ms 7424 KB Output is correct
38 Correct 9 ms 7424 KB Output is correct

Subtask #4
49.0 / 49.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7424 KB Output is correct
2 Correct 9 ms 7424 KB Output is correct
3 Correct 8 ms 7424 KB Output is correct
4 Correct 9 ms 7424 KB Output is correct
5 Correct 9 ms 7424 KB Output is correct
6 Correct 9 ms 7424 KB Output is correct
7 Correct 9 ms 7424 KB Output is correct
8 Correct 9 ms 7424 KB Output is correct
9 Correct 8 ms 7424 KB Output is correct
10 Correct 8 ms 7424 KB Output is correct
11 Correct 9 ms 7424 KB Output is correct
12 Correct 9 ms 7424 KB Output is correct
13 Correct 9 ms 7424 KB Output is correct
14 Correct 10 ms 7424 KB Output is correct
15 Correct 9 ms 7424 KB Output is correct
16 Correct 8 ms 7424 KB Output is correct
17 Correct 9 ms 7424 KB Output is correct
18 Correct 9 ms 7424 KB Output is correct
19 Correct 9 ms 7424 KB Output is correct
20 Correct 8 ms 7552 KB Output is correct
21 Correct 10 ms 7424 KB Output is correct
22 Correct 72 ms 24184 KB Output is correct
23 Correct 69 ms 24184 KB Output is correct
24 Correct 68 ms 24184 KB Output is correct
25 Correct 80 ms 24288 KB Output is correct
26 Correct 67 ms 24184 KB Output is correct
27 Correct 71 ms 24184 KB Output is correct
28 Correct 71 ms 24184 KB Output is correct
29 Correct 62 ms 24164 KB Output is correct
30 Correct 10 ms 7424 KB Output is correct
31 Correct 9 ms 7424 KB Output is correct
32 Correct 9 ms 7424 KB Output is correct
33 Correct 9 ms 7424 KB Output is correct
34 Correct 9 ms 7424 KB Output is correct
35 Correct 9 ms 7424 KB Output is correct
36 Correct 10 ms 7424 KB Output is correct
37 Correct 9 ms 7424 KB Output is correct
38 Correct 10 ms 7424 KB Output is correct
39 Correct 9 ms 7424 KB Output is correct
40 Correct 11 ms 7424 KB Output is correct
41 Correct 9 ms 7424 KB Output is correct
42 Correct 9 ms 7424 KB Output is correct
43 Correct 9 ms 7424 KB Output is correct
44 Correct 9 ms 7424 KB Output is correct
45 Correct 9 ms 7424 KB Output is correct
46 Correct 9 ms 7424 KB Output is correct
47 Correct 72 ms 16248 KB Output is correct
48 Correct 73 ms 14200 KB Output is correct
49 Correct 69 ms 13480 KB Output is correct
50 Correct 69 ms 13048 KB Output is correct
51 Correct 77 ms 11768 KB Output is correct
52 Correct 77 ms 11860 KB Output is correct
53 Correct 75 ms 11768 KB Output is correct
54 Correct 83 ms 11768 KB Output is correct
55 Correct 72 ms 11768 KB Output is correct
56 Correct 69 ms 11768 KB Output is correct
57 Correct 50 ms 13040 KB Output is correct