oj.uz

Submission #201305

# Submission time Handle Problem Language Result Execution time Memory
201305 2020-02-10T07:19:29 Z jun6873 Fireworks (APIO16_fireworks) C++11
100 / 100
 253 ms 89720 KB 
#include <bits/stdc++.h>
using namespace std;

using lint = long long;
using pint = pair<int, int>;
#define x first
#define y second

const int maxn = 300004;

int N, M;
vector<pint> g[maxn];

struct func {
    priority_queue<lint> neg;
    priority_queue<lint, vector<lint>, greater<lint> > pos;
    lint mn = 0;
    void balance() {
        while (neg.top() > pos.top()) {
            lint x = neg.top(), y = pos.top();
            neg.pop(); pos.pop();
            pos.push(x); neg.push(y);
            mn += x - y;
        }
    }
    void add(lint a, lint b, lint c) {
        neg.push(a);
        pos.push(b);
        mn += c;
        balance();
    }
    void process(lint x) {
        lint b = neg.top() + x, c = pos.top() + x;
        while (!pos.empty()) pos.pop();
        neg.pop();
        neg.push(b);
        pos.push(c);
    }
} *b[maxn];

void dfs(int x) {
    func *f = new func();
    for (pint i : g[x]) if (!g[i.x].empty()) {
        dfs(i.x);
        b[i.x]->process(i.y);
        if (f->neg.size() < b[i.x]->neg.size()) f = b[i.x];
    }
    b[x] = f;

    for (pint i : g[x]) if (f != b[i.x]) {
        if (!g[i.x].empty()) {
            func *g = b[i.x];
            while (!g->neg.empty()) f->neg.push(g->neg.top()), g->neg.pop();
            while (!g->pos.empty()) f->pos.push(g->pos.top()), g->pos.pop();
            f->mn += g->mn;
            f->balance();
        } else f->add(i.y, i.y, 0);
    }

}

int main() {
    ios::sync_with_stdio(0); cin.tie(0);

    cin >> N >> M;

    for (int i=2; i<=N+M; i++) {
        int x, y;
        cin >> x >> y;
        g[x].emplace_back(i, y);
    }

    dfs(1);

    cout << b[1]->mn << '\n';
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 11 ms 7416 KB Output is correct
3 Correct 9 ms 7416 KB Output is correct
4 Correct 10 ms 7416 KB Output is correct
5 Correct 9 ms 7416 KB Output is correct
6 Correct 9 ms 7288 KB Output is correct
7 Correct 9 ms 7416 KB Output is correct
8 Correct 10 ms 7420 KB Output is correct
9 Correct 9 ms 7416 KB Output is correct
10 Correct 9 ms 7416 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 9 ms 7416 KB Output is correct
3 Correct 9 ms 7416 KB Output is correct
4 Correct 9 ms 7416 KB Output is correct
5 Correct 9 ms 7420 KB Output is correct
6 Correct 10 ms 7416 KB Output is correct
7 Correct 10 ms 7416 KB Output is correct
8 Correct 11 ms 7416 KB Output is correct
9 Correct 9 ms 7416 KB Output is correct
10 Correct 9 ms 7416 KB Output is correct
11 Correct 11 ms 7416 KB Output is correct
12 Correct 9 ms 7416 KB Output is correct
13 Correct 9 ms 7416 KB Output is correct
14 Correct 9 ms 7416 KB Output is correct
15 Correct 9 ms 7416 KB Output is correct
16 Correct 9 ms 7416 KB Output is correct
17 Correct 10 ms 7416 KB Output is correct
18 Correct 9 ms 7416 KB Output is correct
19 Correct 10 ms 7416 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 11 ms 7416 KB Output is correct
3 Correct 9 ms 7416 KB Output is correct
4 Correct 10 ms 7416 KB Output is correct
5 Correct 9 ms 7416 KB Output is correct
6 Correct 9 ms 7288 KB Output is correct
7 Correct 9 ms 7416 KB Output is correct
8 Correct 10 ms 7420 KB Output is correct
9 Correct 9 ms 7416 KB Output is correct
10 Correct 9 ms 7416 KB Output is correct
11 Correct 9 ms 7416 KB Output is correct
12 Correct 9 ms 7416 KB Output is correct
13 Correct 9 ms 7416 KB Output is correct
14 Correct 9 ms 7416 KB Output is correct
15 Correct 9 ms 7420 KB Output is correct
16 Correct 10 ms 7416 KB Output is correct
17 Correct 10 ms 7416 KB Output is correct
18 Correct 11 ms 7416 KB Output is correct
19 Correct 9 ms 7416 KB Output is correct
20 Correct 9 ms 7416 KB Output is correct
21 Correct 11 ms 7416 KB Output is correct
22 Correct 9 ms 7416 KB Output is correct
23 Correct 9 ms 7416 KB Output is correct
24 Correct 9 ms 7416 KB Output is correct
25 Correct 9 ms 7416 KB Output is correct
26 Correct 9 ms 7416 KB Output is correct
27 Correct 10 ms 7416 KB Output is correct
28 Correct 9 ms 7416 KB Output is correct
29 Correct 10 ms 7416 KB Output is correct
30 Correct 10 ms 7416 KB Output is correct
31 Correct 10 ms 7544 KB Output is correct
32 Correct 10 ms 7544 KB Output is correct
33 Correct 12 ms 7720 KB Output is correct
34 Correct 12 ms 7672 KB Output is correct
35 Correct 11 ms 7800 KB Output is correct
36 Correct 12 ms 7800 KB Output is correct
37 Correct 12 ms 7928 KB Output is correct
38 Correct 12 ms 7928 KB Output is correct
39 Correct 12 ms 7928 KB Output is correct
40 Correct 12 ms 8696 KB Output is correct
41 Correct 12 ms 8696 KB Output is correct
42 Correct 12 ms 8056 KB Output is correct
43 Correct 12 ms 8184 KB Output is correct
44 Correct 12 ms 8056 KB Output is correct
45 Correct 12 ms 8056 KB Output is correct
46 Correct 13 ms 7672 KB Output is correct
47 Correct 12 ms 7672 KB Output is correct
48 Correct 12 ms 7672 KB Output is correct
49 Correct 13 ms 7672 KB Output is correct
50 Correct 12 ms 7672 KB Output is correct
51 Correct 11 ms 7672 KB Output is correct
52 Correct 12 ms 7672 KB Output is correct
53 Correct 12 ms 7672 KB Output is correct
54 Correct 12 ms 7672 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 9 ms 7416 KB Output is correct
2 Correct 11 ms 7416 KB Output is correct
3 Correct 9 ms 7416 KB Output is correct
4 Correct 10 ms 7416 KB Output is correct
5 Correct 9 ms 7416 KB Output is correct
6 Correct 9 ms 7288 KB Output is correct
7 Correct 9 ms 7416 KB Output is correct
8 Correct 10 ms 7420 KB Output is correct
9 Correct 9 ms 7416 KB Output is correct
10 Correct 9 ms 7416 KB Output is correct
11 Correct 9 ms 7416 KB Output is correct
12 Correct 9 ms 7416 KB Output is correct
13 Correct 9 ms 7416 KB Output is correct
14 Correct 9 ms 7416 KB Output is correct
15 Correct 9 ms 7420 KB Output is correct
16 Correct 10 ms 7416 KB Output is correct
17 Correct 10 ms 7416 KB Output is correct
18 Correct 11 ms 7416 KB Output is correct
19 Correct 9 ms 7416 KB Output is correct
20 Correct 9 ms 7416 KB Output is correct
21 Correct 11 ms 7416 KB Output is correct
22 Correct 9 ms 7416 KB Output is correct
23 Correct 9 ms 7416 KB Output is correct
24 Correct 9 ms 7416 KB Output is correct
25 Correct 9 ms 7416 KB Output is correct
26 Correct 9 ms 7416 KB Output is correct
27 Correct 10 ms 7416 KB Output is correct
28 Correct 9 ms 7416 KB Output is correct
29 Correct 10 ms 7416 KB Output is correct
30 Correct 10 ms 7416 KB Output is correct
31 Correct 10 ms 7544 KB Output is correct
32 Correct 10 ms 7544 KB Output is correct
33 Correct 12 ms 7720 KB Output is correct
34 Correct 12 ms 7672 KB Output is correct
35 Correct 11 ms 7800 KB Output is correct
36 Correct 12 ms 7800 KB Output is correct
37 Correct 12 ms 7928 KB Output is correct
38 Correct 12 ms 7928 KB Output is correct
39 Correct 12 ms 7928 KB Output is correct
40 Correct 12 ms 8696 KB Output is correct
41 Correct 12 ms 8696 KB Output is correct
42 Correct 12 ms 8056 KB Output is correct
43 Correct 12 ms 8184 KB Output is correct
44 Correct 12 ms 8056 KB Output is correct
45 Correct 12 ms 8056 KB Output is correct
46 Correct 13 ms 7672 KB Output is correct
47 Correct 12 ms 7672 KB Output is correct
48 Correct 12 ms 7672 KB Output is correct
49 Correct 13 ms 7672 KB Output is correct
50 Correct 12 ms 7672 KB Output is correct
51 Correct 11 ms 7672 KB Output is correct
52 Correct 12 ms 7672 KB Output is correct
53 Correct 12 ms 7672 KB Output is correct
54 Correct 12 ms 7672 KB Output is correct
55 Correct 18 ms 8824 KB Output is correct
56 Correct 41 ms 13044 KB Output is correct
57 Correct 70 ms 17268 KB Output is correct
58 Correct 88 ms 19820 KB Output is correct
59 Correct 121 ms 23920 KB Output is correct
60 Correct 152 ms 27988 KB Output is correct
61 Correct 176 ms 30956 KB Output is correct
62 Correct 204 ms 33516 KB Output is correct
63 Correct 243 ms 38636 KB Output is correct
64 Correct 253 ms 40172 KB Output is correct
65 Correct 174 ms 89720 KB Output is correct
66 Correct 160 ms 89720 KB Output is correct
67 Correct 164 ms 47632 KB Output is correct
68 Correct 168 ms 52972 KB Output is correct
69 Correct 203 ms 50476 KB Output is correct
70 Correct 207 ms 50412 KB Output is correct
71 Correct 220 ms 28736 KB Output is correct
72 Correct 220 ms 28652 KB Output is correct
73 Correct 206 ms 25164 KB Output is correct
74 Correct 200 ms 25212 KB Output is correct
75 Correct 207 ms 24036 KB Output is correct
76 Correct 211 ms 24240 KB Output is correct
77 Correct 215 ms 23460 KB Output is correct
78 Correct 221 ms 22500 KB Output is correct
79 Correct 162 ms 22752 KB Output is correct