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답안 #165577

# 제출 시각 아이디 문제 언어 결과 실행 시간 메모리
165577 2019-11-27T13:07:05 Z combi1k1 Fireworks (APIO16_fireworks) C++14
55 / 100
 2000 ms 80504 KB 
#include<bits/stdc++.h>

using namespace std;

#define int long long

const int   N   = 3e5 + 1;

struct Data {
    int a, b;
    priority_queue<int> pq;

    Data operator + (Data &x)   {
        a += x.a;
        b += x.b;

        if (pq.size() < x.pq.size())
            pq.swap(x.pq);

        while (x.pq.size()) {
            pq.push(x.pq.top());
            x.pq.pop();
        }
        return  *this;
    }
}   f[N];
int c[N];

vector<int> g[N];

void dfs(int u) {
    if (g[u].empty())   {
        f[u].a = 1;
        f[u].b = -c[u];
        f[u].pq.push(c[u]);
        f[u].pq.push(c[u]);
        return;
    }
    for(int v : g[u])
        dfs(v), f[u] = f[u] + f[v];

    for(; f[u].a > 1 ;)
        f[u].a--,
        f[u].b += f[u].pq.top(),
        f[u].pq.pop();

    int x = f[u].pq.top() + c[u];   f[u].pq.pop();
    int y = f[u].pq.top() + c[u];   f[u].pq.pop();

    f[u].b -= c[u];

    f[u].pq.push(x);
    f[u].pq.push(y);
}

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

    int n;  cin >> n;
    int m;  cin >> m;

    for(int i = 2 ; i <= n + m ; ++i)   {
        int p;
        cin >> p;
        cin >> c[i];
        g[p].push_back(i);
    }

    dfs(1); cout << f[1].b + f[1].pq.top() << endl;
}
/*
4 6
1 5
2 5
2 8
3 3
3 2
3 3
2 9
4 4
4 3
*/

Subtask #1
7.0 / 7.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 21496 KB Output is correct
2 Correct 22 ms 21496 KB Output is correct
3 Correct 24 ms 21496 KB Output is correct
4 Correct 24 ms 21512 KB Output is correct
5 Correct 24 ms 21500 KB Output is correct
6 Correct 24 ms 21496 KB Output is correct
7 Correct 24 ms 21496 KB Output is correct
8 Correct 23 ms 21496 KB Output is correct
9 Correct 24 ms 21496 KB Output is correct
10 Correct 24 ms 21496 KB Output is correct

Subtask #2
19.0 / 19.0

# 결과 실행 시간 메모리 Grader output
1 Correct 23 ms 21496 KB Output is correct
2 Correct 23 ms 21496 KB Output is correct
3 Correct 22 ms 21496 KB Output is correct
4 Correct 23 ms 21496 KB Output is correct
5 Correct 24 ms 21496 KB Output is correct
6 Correct 22 ms 21496 KB Output is correct
7 Correct 21 ms 21496 KB Output is correct
8 Correct 25 ms 21496 KB Output is correct
9 Correct 23 ms 21496 KB Output is correct
10 Correct 24 ms 21496 KB Output is correct
11 Correct 24 ms 21496 KB Output is correct
12 Correct 24 ms 21496 KB Output is correct
13 Correct 24 ms 21496 KB Output is correct
14 Correct 24 ms 21448 KB Output is correct
15 Correct 24 ms 21496 KB Output is correct
16 Correct 24 ms 21496 KB Output is correct
17 Correct 24 ms 21496 KB Output is correct
18 Correct 24 ms 21496 KB Output is correct
19 Correct 23 ms 21496 KB Output is correct

Subtask #3
29.0 / 29.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 21496 KB Output is correct
2 Correct 22 ms 21496 KB Output is correct
3 Correct 24 ms 21496 KB Output is correct
4 Correct 24 ms 21512 KB Output is correct
5 Correct 24 ms 21500 KB Output is correct
6 Correct 24 ms 21496 KB Output is correct
7 Correct 24 ms 21496 KB Output is correct
8 Correct 23 ms 21496 KB Output is correct
9 Correct 24 ms 21496 KB Output is correct
10 Correct 24 ms 21496 KB Output is correct
11 Correct 23 ms 21496 KB Output is correct
12 Correct 23 ms 21496 KB Output is correct
13 Correct 22 ms 21496 KB Output is correct
14 Correct 23 ms 21496 KB Output is correct
15 Correct 24 ms 21496 KB Output is correct
16 Correct 22 ms 21496 KB Output is correct
17 Correct 21 ms 21496 KB Output is correct
18 Correct 25 ms 21496 KB Output is correct
19 Correct 23 ms 21496 KB Output is correct
20 Correct 24 ms 21496 KB Output is correct
21 Correct 24 ms 21496 KB Output is correct
22 Correct 24 ms 21496 KB Output is correct
23 Correct 24 ms 21496 KB Output is correct
24 Correct 24 ms 21448 KB Output is correct
25 Correct 24 ms 21496 KB Output is correct
26 Correct 24 ms 21496 KB Output is correct
27 Correct 24 ms 21496 KB Output is correct
28 Correct 24 ms 21496 KB Output is correct
29 Correct 23 ms 21496 KB Output is correct
30 Correct 22 ms 21496 KB Output is correct
31 Correct 24 ms 21596 KB Output is correct
32 Correct 24 ms 21628 KB Output is correct
33 Correct 26 ms 21624 KB Output is correct
34 Correct 24 ms 21624 KB Output is correct
35 Correct 27 ms 21752 KB Output is correct
36 Correct 27 ms 21752 KB Output is correct
37 Correct 28 ms 21808 KB Output is correct
38 Correct 26 ms 21752 KB Output is correct
39 Correct 28 ms 21856 KB Output is correct
40 Correct 24 ms 22396 KB Output is correct
41 Correct 25 ms 22520 KB Output is correct
42 Correct 59 ms 21752 KB Output is correct
43 Correct 31 ms 22136 KB Output is correct
44 Correct 29 ms 22008 KB Output is correct
45 Correct 30 ms 22136 KB Output is correct
46 Correct 28 ms 22008 KB Output is correct
47 Correct 30 ms 21996 KB Output is correct
48 Correct 33 ms 21880 KB Output is correct
49 Correct 37 ms 22044 KB Output is correct
50 Correct 45 ms 22000 KB Output is correct
51 Correct 44 ms 21996 KB Output is correct
52 Correct 43 ms 21984 KB Output is correct
53 Correct 32 ms 21880 KB Output is correct
54 Correct 97 ms 22244 KB Output is correct

Subtask #4
0 / 45.0

# 결과 실행 시간 메모리 Grader output
1 Correct 24 ms 21496 KB Output is correct
2 Correct 22 ms 21496 KB Output is correct
3 Correct 24 ms 21496 KB Output is correct
4 Correct 24 ms 21512 KB Output is correct
5 Correct 24 ms 21500 KB Output is correct
6 Correct 24 ms 21496 KB Output is correct
7 Correct 24 ms 21496 KB Output is correct
8 Correct 23 ms 21496 KB Output is correct
9 Correct 24 ms 21496 KB Output is correct
10 Correct 24 ms 21496 KB Output is correct
11 Correct 23 ms 21496 KB Output is correct
12 Correct 23 ms 21496 KB Output is correct
13 Correct 22 ms 21496 KB Output is correct
14 Correct 23 ms 21496 KB Output is correct
15 Correct 24 ms 21496 KB Output is correct
16 Correct 22 ms 21496 KB Output is correct
17 Correct 21 ms 21496 KB Output is correct
18 Correct 25 ms 21496 KB Output is correct
19 Correct 23 ms 21496 KB Output is correct
20 Correct 24 ms 21496 KB Output is correct
21 Correct 24 ms 21496 KB Output is correct
22 Correct 24 ms 21496 KB Output is correct
23 Correct 24 ms 21496 KB Output is correct
24 Correct 24 ms 21448 KB Output is correct
25 Correct 24 ms 21496 KB Output is correct
26 Correct 24 ms 21496 KB Output is correct
27 Correct 24 ms 21496 KB Output is correct
28 Correct 24 ms 21496 KB Output is correct
29 Correct 23 ms 21496 KB Output is correct
30 Correct 22 ms 21496 KB Output is correct
31 Correct 24 ms 21596 KB Output is correct
32 Correct 24 ms 21628 KB Output is correct
33 Correct 26 ms 21624 KB Output is correct
34 Correct 24 ms 21624 KB Output is correct
35 Correct 27 ms 21752 KB Output is correct
36 Correct 27 ms 21752 KB Output is correct
37 Correct 28 ms 21808 KB Output is correct
38 Correct 26 ms 21752 KB Output is correct
39 Correct 28 ms 21856 KB Output is correct
40 Correct 24 ms 22396 KB Output is correct
41 Correct 25 ms 22520 KB Output is correct
42 Correct 59 ms 21752 KB Output is correct
43 Correct 31 ms 22136 KB Output is correct
44 Correct 29 ms 22008 KB Output is correct
45 Correct 30 ms 22136 KB Output is correct
46 Correct 28 ms 22008 KB Output is correct
47 Correct 30 ms 21996 KB Output is correct
48 Correct 33 ms 21880 KB Output is correct
49 Correct 37 ms 22044 KB Output is correct
50 Correct 45 ms 22000 KB Output is correct
51 Correct 44 ms 21996 KB Output is correct
52 Correct 43 ms 21984 KB Output is correct
53 Correct 32 ms 21880 KB Output is correct
54 Correct 97 ms 22244 KB Output is correct
55 Correct 36 ms 22364 KB Output is correct
56 Correct 88 ms 24764 KB Output is correct
57 Correct 159 ms 27216 KB Output is correct
58 Correct 328 ms 28724 KB Output is correct
59 Correct 288 ms 31072 KB Output is correct
60 Correct 345 ms 33072 KB Output is correct
61 Correct 411 ms 35392 KB Output is correct
62 Correct 452 ms 37212 KB Output is correct
63 Correct 489 ms 38836 KB Output is correct
64 Correct 584 ms 43432 KB Output is correct
65 Correct 187 ms 80376 KB Output is correct
66 Correct 314 ms 80504 KB Output is correct
67 Correct 205 ms 38264 KB Output is correct
68 Execution timed out 2041 ms 56980 KB Time limit exceeded
69 Halted 0 ms 0 KB -