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Submission #165579

# Submission time Handle Problem Language Result Execution time Memory
165579 2019-11-27T13:12:12 Z combi1k1 Fireworks (APIO16_fireworks) C++14
100 / 100
 363 ms 66168 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;

    void 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();
        }
    }
}   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[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;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 21496 KB Output is correct
2 Correct 22 ms 21476 KB Output is correct
3 Correct 21 ms 21496 KB Output is correct
4 Correct 22 ms 21496 KB Output is correct
5 Correct 21 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 22 ms 21448 KB Output is correct
9 Correct 21 ms 21496 KB Output is correct
10 Correct 45 ms 21468 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 21496 KB Output is correct
2 Correct 24 ms 21496 KB Output is correct
3 Correct 21 ms 21496 KB Output is correct
4 Correct 21 ms 21496 KB Output is correct
5 Correct 22 ms 21496 KB Output is correct
6 Correct 23 ms 21496 KB Output is correct
7 Correct 23 ms 21496 KB Output is correct
8 Correct 24 ms 21496 KB Output is correct
9 Correct 22 ms 21496 KB Output is correct
10 Correct 23 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 24 ms 21496 KB Output is correct
14 Correct 23 ms 21496 KB Output is correct
15 Correct 23 ms 21496 KB Output is correct
16 Correct 23 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 21 ms 21496 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 21496 KB Output is correct
2 Correct 22 ms 21476 KB Output is correct
3 Correct 21 ms 21496 KB Output is correct
4 Correct 22 ms 21496 KB Output is correct
5 Correct 21 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 22 ms 21448 KB Output is correct
9 Correct 21 ms 21496 KB Output is correct
10 Correct 45 ms 21468 KB Output is correct
11 Correct 21 ms 21496 KB Output is correct
12 Correct 24 ms 21496 KB Output is correct
13 Correct 21 ms 21496 KB Output is correct
14 Correct 21 ms 21496 KB Output is correct
15 Correct 22 ms 21496 KB Output is correct
16 Correct 23 ms 21496 KB Output is correct
17 Correct 23 ms 21496 KB Output is correct
18 Correct 24 ms 21496 KB Output is correct
19 Correct 22 ms 21496 KB Output is correct
20 Correct 23 ms 21496 KB Output is correct
21 Correct 23 ms 21496 KB Output is correct
22 Correct 23 ms 21496 KB Output is correct
23 Correct 24 ms 21496 KB Output is correct
24 Correct 23 ms 21496 KB Output is correct
25 Correct 23 ms 21496 KB Output is correct
26 Correct 23 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 21 ms 21496 KB Output is correct
30 Correct 26 ms 21540 KB Output is correct
31 Correct 22 ms 21496 KB Output is correct
32 Correct 22 ms 21496 KB Output is correct
33 Correct 25 ms 21624 KB Output is correct
34 Correct 24 ms 21624 KB Output is correct
35 Correct 24 ms 21624 KB Output is correct
36 Correct 24 ms 21752 KB Output is correct
37 Correct 25 ms 21752 KB Output is correct
38 Correct 25 ms 21756 KB Output is correct
39 Correct 25 ms 21752 KB Output is correct
40 Correct 24 ms 22264 KB Output is correct
41 Correct 24 ms 22264 KB Output is correct
42 Correct 23 ms 21752 KB Output is correct
43 Correct 24 ms 21984 KB Output is correct
44 Correct 25 ms 22008 KB Output is correct
45 Correct 24 ms 21880 KB Output is correct
46 Correct 24 ms 21884 KB Output is correct
47 Correct 25 ms 21880 KB Output is correct
48 Correct 24 ms 21880 KB Output is correct
49 Correct 25 ms 21880 KB Output is correct
50 Correct 24 ms 21752 KB Output is correct
51 Correct 23 ms 21752 KB Output is correct
52 Correct 24 ms 21752 KB Output is correct
53 Correct 24 ms 21884 KB Output is correct
54 Correct 23 ms 21880 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 21 ms 21496 KB Output is correct
2 Correct 22 ms 21476 KB Output is correct
3 Correct 21 ms 21496 KB Output is correct
4 Correct 22 ms 21496 KB Output is correct
5 Correct 21 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 22 ms 21448 KB Output is correct
9 Correct 21 ms 21496 KB Output is correct
10 Correct 45 ms 21468 KB Output is correct
11 Correct 21 ms 21496 KB Output is correct
12 Correct 24 ms 21496 KB Output is correct
13 Correct 21 ms 21496 KB Output is correct
14 Correct 21 ms 21496 KB Output is correct
15 Correct 22 ms 21496 KB Output is correct
16 Correct 23 ms 21496 KB Output is correct
17 Correct 23 ms 21496 KB Output is correct
18 Correct 24 ms 21496 KB Output is correct
19 Correct 22 ms 21496 KB Output is correct
20 Correct 23 ms 21496 KB Output is correct
21 Correct 23 ms 21496 KB Output is correct
22 Correct 23 ms 21496 KB Output is correct
23 Correct 24 ms 21496 KB Output is correct
24 Correct 23 ms 21496 KB Output is correct
25 Correct 23 ms 21496 KB Output is correct
26 Correct 23 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 21 ms 21496 KB Output is correct
30 Correct 26 ms 21540 KB Output is correct
31 Correct 22 ms 21496 KB Output is correct
32 Correct 22 ms 21496 KB Output is correct
33 Correct 25 ms 21624 KB Output is correct
34 Correct 24 ms 21624 KB Output is correct
35 Correct 24 ms 21624 KB Output is correct
36 Correct 24 ms 21752 KB Output is correct
37 Correct 25 ms 21752 KB Output is correct
38 Correct 25 ms 21756 KB Output is correct
39 Correct 25 ms 21752 KB Output is correct
40 Correct 24 ms 22264 KB Output is correct
41 Correct 24 ms 22264 KB Output is correct
42 Correct 23 ms 21752 KB Output is correct
43 Correct 24 ms 21984 KB Output is correct
44 Correct 25 ms 22008 KB Output is correct
45 Correct 24 ms 21880 KB Output is correct
46 Correct 24 ms 21884 KB Output is correct
47 Correct 25 ms 21880 KB Output is correct
48 Correct 24 ms 21880 KB Output is correct
49 Correct 25 ms 21880 KB Output is correct
50 Correct 24 ms 21752 KB Output is correct
51 Correct 23 ms 21752 KB Output is correct
52 Correct 24 ms 21752 KB Output is correct
53 Correct 24 ms 21884 KB Output is correct
54 Correct 23 ms 21880 KB Output is correct
55 Correct 29 ms 22264 KB Output is correct
56 Correct 60 ms 24284 KB Output is correct
57 Correct 99 ms 26156 KB Output is correct
58 Correct 142 ms 27520 KB Output is correct
59 Correct 188 ms 29524 KB Output is correct
60 Correct 226 ms 31600 KB Output is correct
61 Correct 247 ms 33400 KB Output is correct
62 Correct 290 ms 34416 KB Output is correct
63 Correct 343 ms 36724 KB Output is correct
64 Correct 340 ms 37344 KB Output is correct
65 Correct 166 ms 66168 KB Output is correct
66 Correct 168 ms 66168 KB Output is correct
67 Correct 184 ms 33296 KB Output is correct
68 Correct 213 ms 51180 KB Output is correct
69 Correct 267 ms 53436 KB Output is correct
70 Correct 267 ms 53460 KB Output is correct
71 Correct 255 ms 52448 KB Output is correct
72 Correct 251 ms 52856 KB Output is correct
73 Correct 215 ms 48732 KB Output is correct
74 Correct 219 ms 48784 KB Output is correct
75 Correct 217 ms 47504 KB Output is correct
76 Correct 249 ms 47464 KB Output is correct
77 Correct 239 ms 47144 KB Output is correct
78 Correct 224 ms 45240 KB Output is correct
79 Correct 363 ms 46212 KB Output is correct