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답안 #648955

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
648955 2022-10-08T20:24:06 Z vladutpiele Paprike (COI18_paprike) C++17
100 / 100
 59 ms 22648 KB 
#include <bits/stdc++.h>

#define int long long

using namespace std;

const int nmax = 100000;

int n, k;
int v[nmax + 5];
struct elem
{
    int minCuts;
    int minSum;
};
elem dp[nmax + 5];
vector<int> g[nmax + 5];

void dfs(int fiu, int tata)
{
    priority_queue<int> coada;
    dp[fiu].minCuts = 0;
    dp[fiu].minSum = v[fiu];
    for(auto it : g[fiu])
    {
        if(it == tata)
        {
            continue;
        }
        dfs(it, fiu);
        dp[fiu].minCuts += dp[it].minCuts;
        dp[fiu].minSum += dp[it].minSum;
        coada.push(dp[it].minSum);
    }
    while(dp[fiu].minSum > k)
    {
        dp[fiu].minCuts ++;
        dp[fiu].minSum -= coada.top();
        coada.pop();
    }
}

signed main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cin >> n >> k;
    for(int i = 1; i <= n; i ++)
    {
        cin >> v[i];
    }
    for(int i = 1; i < n; i ++)
    {
        int u, v;
        cin >> u >> v;
        g[u].push_back(v);
        g[v].push_back(u);
    }
    dfs(1, 0);
    cout << dp[1].minCuts << '\n';
    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 2680 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2764 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2680 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2680 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2576 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2680 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct

Subtask #2
13.0 / 13.0

# 결과 실행 시간 메모리 Grader output
1 Correct 42 ms 22648 KB Output is correct
2 Correct 46 ms 22604 KB Output is correct
3 Correct 42 ms 22636 KB Output is correct
4 Correct 45 ms 22608 KB Output is correct
5 Correct 43 ms 22476 KB Output is correct
6 Correct 43 ms 22580 KB Output is correct
7 Correct 42 ms 22476 KB Output is correct
8 Correct 39 ms 22016 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 2680 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2764 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2680 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2680 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2576 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2680 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 2 ms 2772 KB Output is correct
23 Correct 2 ms 2692 KB Output is correct
24 Correct 2 ms 2696 KB Output is correct
25 Correct 2 ms 2688 KB Output is correct
26 Correct 2 ms 2688 KB Output is correct
27 Correct 2 ms 2652 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 2688 KB Output is correct
31 Correct 2 ms 2644 KB Output is correct
32 Correct 2 ms 2692 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 2680 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 2692 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 2680 KB Output is correct
3 Correct 2 ms 2644 KB Output is correct
4 Correct 2 ms 2644 KB Output is correct
5 Correct 2 ms 2764 KB Output is correct
6 Correct 2 ms 2644 KB Output is correct
7 Correct 2 ms 2680 KB Output is correct
8 Correct 2 ms 2644 KB Output is correct
9 Correct 2 ms 2680 KB Output is correct
10 Correct 2 ms 2644 KB Output is correct
11 Correct 2 ms 2644 KB Output is correct
12 Correct 2 ms 2576 KB Output is correct
13 Correct 2 ms 2644 KB Output is correct
14 Correct 1 ms 2644 KB Output is correct
15 Correct 2 ms 2644 KB Output is correct
16 Correct 2 ms 2680 KB Output is correct
17 Correct 2 ms 2644 KB Output is correct
18 Correct 2 ms 2644 KB Output is correct
19 Correct 1 ms 2644 KB Output is correct
20 Correct 2 ms 2644 KB Output is correct
21 Correct 2 ms 2644 KB Output is correct
22 Correct 42 ms 22648 KB Output is correct
23 Correct 46 ms 22604 KB Output is correct
24 Correct 42 ms 22636 KB Output is correct
25 Correct 45 ms 22608 KB Output is correct
26 Correct 43 ms 22476 KB Output is correct
27 Correct 43 ms 22580 KB Output is correct
28 Correct 42 ms 22476 KB Output is correct
29 Correct 39 ms 22016 KB Output is correct
30 Correct 2 ms 2772 KB Output is correct
31 Correct 2 ms 2692 KB Output is correct
32 Correct 2 ms 2696 KB Output is correct
33 Correct 2 ms 2688 KB Output is correct
34 Correct 2 ms 2688 KB Output is correct
35 Correct 2 ms 2652 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 2688 KB Output is correct
39 Correct 2 ms 2644 KB Output is correct
40 Correct 2 ms 2692 KB Output is correct
41 Correct 2 ms 2688 KB Output is correct
42 Correct 2 ms 2644 KB Output is correct
43 Correct 2 ms 2680 KB Output is correct
44 Correct 2 ms 2644 KB Output is correct
45 Correct 2 ms 2644 KB Output is correct
46 Correct 2 ms 2692 KB Output is correct
47 Correct 42 ms 15020 KB Output is correct
48 Correct 41 ms 12948 KB Output is correct
49 Correct 46 ms 12260 KB Output is correct
50 Correct 45 ms 11792 KB Output is correct
51 Correct 53 ms 10712 KB Output is correct
52 Correct 54 ms 10636 KB Output is correct
53 Correct 55 ms 10652 KB Output is correct
54 Correct 59 ms 10648 KB Output is correct
55 Correct 54 ms 10120 KB Output is correct
56 Correct 52 ms 10168 KB Output is correct
57 Correct 33 ms 11588 KB Output is correct