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Submission #696845

# Submission time Handle Problem Language Result Execution time Memory
696845 2023-02-07T11:48:24 Z Ooops_sorry Fireworks (APIO16_fireworks) C++14
26 / 100
 20 ms 21512 KB 
#include<bits/stdc++.h>

using namespace std;

#define ull unsigned long long
#define pb push_back
#define ld long double
#define ll long long

mt19937 rnd(chrono::high_resolution_clock::now().time_since_epoch().count());

const int N = 3e5 + 10;
vector<int> g[N];
multiset<int> st[N];
ll k[N], b[N];
int c[N];

signed main() {
#ifdef LOCAL
    freopen("input.txt", "r", stdin);
#endif // LOCAL
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    for (int i = 1; i < n + m; i++) {
        int p;
        cin >> p >> c[i];
        p--;
        g[p].pb(i);
    }
    for (int i = n; i < n + m; i++) {
        k[i] = 1;
        b[i] = -c[i];
        st[i].insert(c[i]);
        st[i].insert(c[i]);
    }
    for (int i = n - 1; i >= 0; i--) {
        for (auto to : g[i]) {
            k[i] += k[to];
            b[i] += b[to];
            if (st[to].size() > st[i].size()) {
                swap(st[i], st[to]);
            }
            for (auto x : st[to]) {
                st[i].insert(x);
            }
        }
        while (k[i] > 1) {
            k[i]--;
            b[i] += *st[i].rbegin();
            st[i].erase(st[i].find(*st[i].rbegin()));
        }
        if (c[i] > 0) {
            int slope1 = *st[i].rbegin();
            st[i].erase(st[i].find(slope1));
            int slope0 = *st[i].rbegin();
            st[i].erase(st[i].find(slope0));
            st[i].insert(slope0 + c[i]);
            st[i].insert(slope1 + c[i]);
            b[i] -= c[i];
        }
    }
    while (k[0] > 0) {
        k[0]--;
        b[0] += *st[0].rbegin();
        st[0].erase(st[0].find(*st[0].rbegin()));
    }
    cout << b[0] << endl;
    return 0;
}

Subtask #1
7.0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 21460 KB Output is correct
2 Correct 10 ms 21460 KB Output is correct
3 Correct 11 ms 21416 KB Output is correct
4 Correct 10 ms 21480 KB Output is correct
5 Correct 11 ms 21476 KB Output is correct
6 Correct 11 ms 21500 KB Output is correct
7 Correct 11 ms 21460 KB Output is correct
8 Correct 11 ms 21460 KB Output is correct
9 Correct 11 ms 21472 KB Output is correct
10 Correct 13 ms 21460 KB Output is correct

Subtask #2
19.0 / 19.0

# Verdict Execution time Memory Grader output
1 Correct 12 ms 21388 KB Output is correct
2 Correct 14 ms 21512 KB Output is correct
3 Correct 13 ms 21460 KB Output is correct
4 Correct 11 ms 21404 KB Output is correct
5 Correct 10 ms 21460 KB Output is correct
6 Correct 11 ms 21420 KB Output is correct
7 Correct 12 ms 21460 KB Output is correct
8 Correct 13 ms 21480 KB Output is correct
9 Correct 10 ms 21460 KB Output is correct
10 Correct 10 ms 21460 KB Output is correct
11 Correct 12 ms 21460 KB Output is correct
12 Correct 10 ms 21460 KB Output is correct
13 Correct 10 ms 21424 KB Output is correct
14 Correct 16 ms 21460 KB Output is correct
15 Correct 10 ms 21460 KB Output is correct
16 Correct 11 ms 21460 KB Output is correct
17 Correct 10 ms 21472 KB Output is correct
18 Correct 11 ms 21460 KB Output is correct
19 Correct 11 ms 21460 KB Output is correct

Subtask #3
0 / 29.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 21460 KB Output is correct
2 Correct 10 ms 21460 KB Output is correct
3 Correct 11 ms 21416 KB Output is correct
4 Correct 10 ms 21480 KB Output is correct
5 Correct 11 ms 21476 KB Output is correct
6 Correct 11 ms 21500 KB Output is correct
7 Correct 11 ms 21460 KB Output is correct
8 Correct 11 ms 21460 KB Output is correct
9 Correct 11 ms 21472 KB Output is correct
10 Correct 13 ms 21460 KB Output is correct
11 Correct 12 ms 21388 KB Output is correct
12 Correct 14 ms 21512 KB Output is correct
13 Correct 13 ms 21460 KB Output is correct
14 Correct 11 ms 21404 KB Output is correct
15 Correct 10 ms 21460 KB Output is correct
16 Correct 11 ms 21420 KB Output is correct
17 Correct 12 ms 21460 KB Output is correct
18 Correct 13 ms 21480 KB Output is correct
19 Correct 10 ms 21460 KB Output is correct
20 Correct 10 ms 21460 KB Output is correct
21 Correct 12 ms 21460 KB Output is correct
22 Correct 10 ms 21460 KB Output is correct
23 Correct 10 ms 21424 KB Output is correct
24 Correct 16 ms 21460 KB Output is correct
25 Correct 10 ms 21460 KB Output is correct
26 Correct 11 ms 21460 KB Output is correct
27 Correct 10 ms 21472 KB Output is correct
28 Correct 11 ms 21460 KB Output is correct
29 Correct 11 ms 21460 KB Output is correct
30 Incorrect 11 ms 21480 KB Output isn't correct
31 Halted 0 ms 0 KB -

Subtask #4
0 / 45.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 21460 KB Output is correct
2 Correct 10 ms 21460 KB Output is correct
3 Correct 11 ms 21416 KB Output is correct
4 Correct 10 ms 21480 KB Output is correct
5 Correct 11 ms 21476 KB Output is correct
6 Correct 11 ms 21500 KB Output is correct
7 Correct 11 ms 21460 KB Output is correct
8 Correct 11 ms 21460 KB Output is correct
9 Correct 11 ms 21472 KB Output is correct
10 Correct 13 ms 21460 KB Output is correct
11 Correct 12 ms 21388 KB Output is correct
12 Correct 14 ms 21512 KB Output is correct
13 Correct 13 ms 21460 KB Output is correct
14 Correct 11 ms 21404 KB Output is correct
15 Correct 10 ms 21460 KB Output is correct
16 Correct 11 ms 21420 KB Output is correct
17 Correct 12 ms 21460 KB Output is correct
18 Correct 13 ms 21480 KB Output is correct
19 Correct 10 ms 21460 KB Output is correct
20 Correct 10 ms 21460 KB Output is correct
21 Correct 12 ms 21460 KB Output is correct
22 Correct 10 ms 21460 KB Output is correct
23 Correct 10 ms 21424 KB Output is correct
24 Correct 16 ms 21460 KB Output is correct
25 Correct 10 ms 21460 KB Output is correct
26 Correct 11 ms 21460 KB Output is correct
27 Correct 10 ms 21472 KB Output is correct
28 Correct 11 ms 21460 KB Output is correct
29 Correct 11 ms 21460 KB Output is correct
30 Incorrect 11 ms 21480 KB Output isn't correct
31 Halted 0 ms 0 KB -