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Submission #580505

# Submission time Handle Problem Language Result Execution time Memory
580505 2022-06-21T11:09:54 Z islingr Fireworks (APIO16_fireworks) C++17
100 / 100
 167 ms 39560 KB 
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")

#include "bits/stdc++.h"

using namespace std;
using ll = long long;
using ld = long double;

#define rep(i, a, b) for (auto i{a}; i < (b); ++i)
#define per(i, a, b) for (auto i{b}; i-- > (a);)
#define all(x) begin(x), end(x)
#define rall(x) (x).rbegin(), (x).rend()
#define sz(x) static_cast<int>((x).size())

template <class T>
bool uin(T& a, const T& b) {
    return a > b ? a = b, true : false;
}
template <class T>
bool uax(T& a, const T& b) {
    return a < b ? a = b, true : false;
}

mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());

signed main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n, m;
    cin >> n >> m;
    swap(n, m);
    n += m;

    vector<int> p(n), c(n);
    rep(i, 1, n) {
        cin >> p[i] >> c[i];
        --p[i];
    }

    struct node {
        int a;
        ll b;
        priority_queue<ll> q;
        node() : a{0}, b{0} {}
        node(int x) : a{1}, b{-x}, q{{}, {x, x}} {}
        void merge(node& o) {
            a += o.a;
            b += o.b;
            if (sz(q) < sz(o.q)) swap(q, o.q);
            while (!o.q.empty()) {
                q.push(o.q.top());
                o.q.pop();
            }
        }
    };

    vector<node> data(n);
    per(i, m, n) {
        data[i] = node(c[i]);
        data[p[i]].merge(data[i]);
    }

    per(i, 1, m) {
        const auto x = c[i];
        auto& [a, b, q] = data[i];
        while (a > 1) {
            --a;
            b += q.top();
            q.pop();
        }
        const auto one = q.top();
        q.pop();
        const auto zero = q.top();
        q.pop();
        q.push(one + x);
        q.push(zero + x);
        b -= x;
        data[p[i]].merge(data[i]);
    }

    auto& [a, b, q] = data[0];
    while (a > 0) {
        --a;
        b += q.top();
        q.pop();
    }
    cout << b << '\n';
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 0 ms 212 KB Output is correct
5 Correct 0 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 0 ms 340 KB Output is correct
10 Correct 1 ms 212 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 0 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 0 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 1 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct

Subtask #3
29.0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 2 ms 596 KB Output is correct
35 Correct 2 ms 596 KB Output is correct
36 Correct 2 ms 596 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 2 ms 596 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 1 ms 596 KB Output is correct
43 Correct 2 ms 724 KB Output is correct
44 Correct 3 ms 724 KB Output is correct
45 Correct 2 ms 724 KB Output is correct
46 Correct 3 ms 980 KB Output is correct
47 Correct 3 ms 980 KB Output is correct
48 Correct 3 ms 852 KB Output is correct
49 Correct 3 ms 852 KB Output is correct
50 Correct 2 ms 724 KB Output is correct
51 Correct 2 ms 724 KB Output is correct
52 Correct 2 ms 852 KB Output is correct
53 Correct 2 ms 852 KB Output is correct
54 Correct 2 ms 852 KB Output is correct

Subtask #4
45.0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 1 ms 212 KB Output is correct
4 Correct 1 ms 212 KB Output is correct
5 Correct 1 ms 212 KB Output is correct
6 Correct 0 ms 212 KB Output is correct
7 Correct 1 ms 212 KB Output is correct
8 Correct 0 ms 212 KB Output is correct
9 Correct 1 ms 212 KB Output is correct
10 Correct 0 ms 212 KB Output is correct
11 Correct 0 ms 212 KB Output is correct
12 Correct 1 ms 212 KB Output is correct
13 Correct 0 ms 212 KB Output is correct
14 Correct 0 ms 212 KB Output is correct
15 Correct 0 ms 212 KB Output is correct
16 Correct 0 ms 212 KB Output is correct
17 Correct 1 ms 212 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 0 ms 340 KB Output is correct
20 Correct 1 ms 212 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 1 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 1 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 468 KB Output is correct
33 Correct 1 ms 468 KB Output is correct
34 Correct 2 ms 596 KB Output is correct
35 Correct 2 ms 596 KB Output is correct
36 Correct 2 ms 596 KB Output is correct
37 Correct 2 ms 724 KB Output is correct
38 Correct 2 ms 724 KB Output is correct
39 Correct 2 ms 724 KB Output is correct
40 Correct 2 ms 596 KB Output is correct
41 Correct 2 ms 596 KB Output is correct
42 Correct 1 ms 596 KB Output is correct
43 Correct 2 ms 724 KB Output is correct
44 Correct 3 ms 724 KB Output is correct
45 Correct 2 ms 724 KB Output is correct
46 Correct 3 ms 980 KB Output is correct
47 Correct 3 ms 980 KB Output is correct
48 Correct 3 ms 852 KB Output is correct
49 Correct 3 ms 852 KB Output is correct
50 Correct 2 ms 724 KB Output is correct
51 Correct 2 ms 724 KB Output is correct
52 Correct 2 ms 852 KB Output is correct
53 Correct 2 ms 852 KB Output is correct
54 Correct 2 ms 852 KB Output is correct
55 Correct 6 ms 1492 KB Output is correct
56 Correct 19 ms 4840 KB Output is correct
57 Correct 35 ms 8000 KB Output is correct
58 Correct 47 ms 10248 KB Output is correct
59 Correct 72 ms 13364 KB Output is correct
60 Correct 89 ms 16520 KB Output is correct
61 Correct 89 ms 19140 KB Output is correct
62 Correct 98 ms 20928 KB Output is correct
63 Correct 130 ms 24880 KB Output is correct
64 Correct 143 ms 25944 KB Output is correct
65 Correct 75 ms 16760 KB Output is correct
66 Correct 73 ms 16744 KB Output is correct
67 Correct 68 ms 16744 KB Output is correct
68 Correct 114 ms 23524 KB Output is correct
69 Correct 148 ms 24176 KB Output is correct
70 Correct 121 ms 24256 KB Output is correct
71 Correct 160 ms 39360 KB Output is correct
72 Correct 167 ms 39560 KB Output is correct
73 Correct 133 ms 36232 KB Output is correct
74 Correct 147 ms 36736 KB Output is correct
75 Correct 135 ms 35416 KB Output is correct
76 Correct 139 ms 35388 KB Output is correct
77 Correct 140 ms 34352 KB Output is correct
78 Correct 145 ms 34024 KB Output is correct
79 Correct 134 ms 33104 KB Output is correct