oj.uz

답안 #712238

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
712238 2023-03-18T12:33:48 Z stevancv Paprike (COI18_paprike) C++14
100 / 100
 66 ms 21084 KB 
#include <bits/stdc++.h>
#define ll long long
#define ld long double
#define sp ' '
#define en '\n'
#define smin(a, b) a = min(a, b)
#define smax(a, b) a = max(a, b)
using namespace std;
const int N = 1e5 + 2;
const int inf = 1e9;
vector<int> g[N];
ll sum[N], k;
int Dfs(int s, int e) {
    int ans = 0;
    vector<ll> v;
    for (int u : g[s]) {
        if (u == e) continue;
        ans += Dfs(u, s);
        v.push_back(sum[u]);
    }
    sort(v.rbegin(), v.rend());
    while (!v.empty()) {
        if (sum[s] + v.back() > k) break;
        sum[s] += v.back();
        v.pop_back();
    }
    return ans + v.size();
}
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n >> k;
    for (int i = 1; i <= n; i++) cin >> sum[i];
    for (int i = 0; i < n - 1; i++) {
        int u, v;
        cin >> u >> v;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    cout << Dfs(1, 0) << en;
    return 0;
}

Subtask #1
11.0 / 11.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2676 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2564 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2676 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 3 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2672 KB Output is correct
13 Correct 1 ms 2672 KB Output is correct
14 Correct 2 ms 2676 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2588 KB Output is correct
21 Correct 2 ms 2672 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 63 ms 21084 KB Output is correct
2 Correct 51 ms 21036 KB Output is correct
3 Correct 45 ms 21028 KB Output is correct
4 Correct 45 ms 20968 KB Output is correct
5 Correct 44 ms 20924 KB Output is correct
6 Correct 46 ms 21012 KB Output is correct
7 Correct 56 ms 21032 KB Output is correct
8 Correct 57 ms 20452 KB Output is correct

Subtask #3
27.0 / 27.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2676 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2564 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2676 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 3 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2672 KB Output is correct
13 Correct 1 ms 2672 KB Output is correct
14 Correct 2 ms 2676 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2588 KB Output is correct
21 Correct 2 ms 2672 KB Output is correct
22 Correct 3 ms 2772 KB Output is correct
23 Correct 2 ms 2644 KB Output is correct
24 Correct 2 ms 2644 KB Output is correct
25 Correct 2 ms 2688 KB Output is correct
26 Correct 2 ms 2644 KB Output is correct
27 Correct 2 ms 2644 KB Output is correct
28 Correct 2 ms 2644 KB Output is correct
29 Correct 2 ms 2644 KB Output is correct
30 Correct 2 ms 2644 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2684 KB Output is correct
33 Correct 2 ms 2644 KB Output is correct
34 Correct 3 ms 2644 KB Output is correct
35 Correct 2 ms 2684 KB Output is correct
36 Correct 2 ms 2772 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 2 ms 2688 KB Output is correct

Subtask #4
49.0 / 49.0

# 결과 실행 시간 메모리 Grader output
1 Correct 2 ms 2644 KB Output is correct
2 Correct 2 ms 2644 KB Output is correct
3 Correct 2 ms 2676 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2644 KB Output is correct
6 Correct 2 ms 2564 KB Output is correct
7 Correct 2 ms 2644 KB Output is correct
8 Correct 2 ms 2676 KB Output is correct
9 Correct 1 ms 2644 KB Output is correct
10 Correct 3 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2672 KB Output is correct
13 Correct 1 ms 2672 KB Output is correct
14 Correct 2 ms 2676 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2668 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 2 ms 2644 KB Output is correct
20 Correct 2 ms 2588 KB Output is correct
21 Correct 2 ms 2672 KB Output is correct
22 Correct 63 ms 21084 KB Output is correct
23 Correct 51 ms 21036 KB Output is correct
24 Correct 45 ms 21028 KB Output is correct
25 Correct 45 ms 20968 KB Output is correct
26 Correct 44 ms 20924 KB Output is correct
27 Correct 46 ms 21012 KB Output is correct
28 Correct 56 ms 21032 KB Output is correct
29 Correct 57 ms 20452 KB Output is correct
30 Correct 3 ms 2772 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2644 KB Output is correct
33 Correct 2 ms 2688 KB Output is correct
34 Correct 2 ms 2644 KB Output is correct
35 Correct 2 ms 2644 KB Output is correct
36 Correct 2 ms 2644 KB Output is correct
37 Correct 2 ms 2644 KB Output is correct
38 Correct 2 ms 2644 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2684 KB Output is correct
41 Correct 2 ms 2644 KB Output is correct
42 Correct 3 ms 2644 KB Output is correct
43 Correct 2 ms 2684 KB Output is correct
44 Correct 2 ms 2772 KB Output is correct
45 Correct 2 ms 2644 KB Output is correct
46 Correct 2 ms 2688 KB Output is correct
47 Correct 45 ms 13000 KB Output is correct
48 Correct 45 ms 11016 KB Output is correct
49 Correct 52 ms 10184 KB Output is correct
50 Correct 49 ms 9844 KB Output is correct
51 Correct 66 ms 8552 KB Output is correct
52 Correct 56 ms 8524 KB Output is correct
53 Correct 50 ms 8528 KB Output is correct
54 Correct 51 ms 8488 KB Output is correct
55 Correct 50 ms 8020 KB Output is correct
56 Correct 47 ms 8096 KB Output is correct
57 Correct 35 ms 9664 KB Output is correct